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Journal articles on the topic 'Fluid Inclusions'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Moritz, Robert P., and Serge R. Chevé. "Fluid-inclusion studies of high-grade metamorphic rocks of the Ashuanipi complex, eastern Superior Province: constraints on the retrograde P–T path and implications for gold metallogeny." Canadian Journal of Earth Sciences 29, no. 10 (1992): 2309–27. http://dx.doi.org/10.1139/e92-180.

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The high-grade metamorphic rocks of the Ashuanipi complex have been the subject of a microthermometric fluid-inclusion study. Four types of fluid inclusions were observed: CO2-rich fluids; low-temperature, high-salinity H2O fluids; CH4 ± N2-rich fluids; and high-temperature, low-salinity H2O fluids. The regionally distributed CO2-rich fluids are the earliest fluids, and their calculated isochores indicate a clockwise post-peak metamorphic P–T–t path for the Ashuanipi complex. The low-temperature, high-salinity aqueous fluid inclusions are also distributed regionally and can be interpreted as l

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2

RANKIN, ANDREW H. "Fluid inclusions." Geology Today 5, no. 1 (1989): 21–24. http://dx.doi.org/10.1111/j.1365-2451.1989.tb00606.x.

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3

Cui, Kai, Yunwei Qu, Yuling Xie, Kejun Yang, and Zhaoqiang Huang. "Ore Genesis of the Langcun Porphyry W-Mo Deposit, South China: Constraints from Fluid Inclusion and H-O-S Isotopics." Minerals 15, no. 2 (2025): 109. https://doi.org/10.3390/min15020109.

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The Langcun W-Mo deposit, located in the Zhejiang Province of South China, is a medium-sized porphyry deposit. The ore bodies mainly occur in aplite, granite porphyry, and the contact zone with hornfels of the Nanhua System. Four stages of mineralization are recognized in the Langcun deposit, including the quartz–K-feldspar stage (stage I), quartz–sericite–molybdenite stage (stage II), quartz–chlorite–pyrite stage (stage III), and calcite stage (stage IV). Stages I and II are the main ore-forming stages for wolframite and molybdenite. The petrographic and microthermometric results show that fo

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4

Zolensky, Michael E., Robert J. Bodnar, Hisayoshi Yurimoto, et al. "The search for and analysis of direct samples of early Solar System aqueous fluids." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 375, no. 2094 (2017): 20150386. http://dx.doi.org/10.1098/rsta.2015.0386.

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We describe the current state of the search for direct, surviving samples of early, inner Solar System fluids—fluid inclusions in meteorites. Meteoritic aqueous fluid inclusions are not rare, but they are very tiny and their characterization is at the state of the art for most analytical techniques. Meteoritic fluid inclusions offer us a unique opportunity to study early Solar System brines in the laboratory. Inclusion-by-inclusion analyses of the trapped fluids in carefully selected samples will, in the immediate future, provide us detailed information on the evolution of fluids as they inter

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Velojić, Miloš, Rade Jelenković, and Vladica Cvetković. "Fluid Evolution of the Čukaru Peki Cu-Au Porphyry System (East Serbia) inferred from a fluid inclusion study." Geologia Croatica 73, no. 3 (2020): 197–209. http://dx.doi.org/10.4154/gc.2020.14.

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Čukaru Peki is a recently discovered copper-gold deposit in the Bor metallogenic zone in east Serbia. Three types of mineralization can be distinguished in this ore deposit: porphyry, high-sulphidation, and transitional epithermal type. This research was focused on fluid inclusion analysis of genetically different veins from the porphyry and the transitional zones of Čukaru Peki with an aim of better understanding the fluid evolution and mineralization processes in this system. Seven types of veins were identified in the porphyry zone of Čukaru Peki and four of these veins contained transparen

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Rosenbaum, Jeffrey M., Alan Zindler, and James L. Rubenstone. "Mantle fluids: Evidence from fluid inclusions." Geochimica et Cosmochimica Acta 60, no. 17 (1996): 3229–52. http://dx.doi.org/10.1016/0016-7037(96)00167-6.

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7

Srikantappa, C., and L. Venugopal. "Fluid Inclusions in Migmatites from Hunsur, Karnataka." Journal Geological Society of India 49, no. 5 (1997): 503–11. http://dx.doi.org/10.17491/jgsi/1997/490504.

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Abstract Fluid inclusion studies in migmatites around Hunsur document the presence of a) CO2-CH4, CO2 and CO2-H2O inclusions in paleosome, b) predominantly CO2 inclusions in leucosome and c) CO2 and low salinity aqueous inclusions in late pink granite. Chronological studies of CO2 inclusions in quartz grains from migmatites and their densities corresponding to Th maxima plus mineral P-T data for the regional metamorphism indicate that they are syn-migmatitic fluids. An internal origin of CO2 inclusions during the process of migmatization is envisaged.

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8

Huang, Wenqing, Pei Ni, Jungui Zhou, et al. "Fluid Inclusion and Titanite U-Pb Age Constraints on the Yuanjiang Ruby Mineralization in the Ailao Shan-Red River Metamorphic Belt, Southwest China." Canadian Mineralogist 60, no. 1 (2022): 3–28. http://dx.doi.org/10.3749/canmin.2100009.

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ABSTRACT The Yuanjiang marble-hosted ruby deposit lies in the central segment of the Ailao Shan metamorphic massif of the Ailao Shan-Red River metamorphic belt. The mineralizing fluid and age were characterized by detailed petrography, Raman spectroscopy, microthermometry, and in situ titanite laser ablation-inductively coupled plasma-mass spectrometry dating. Some fluid inclusions in the corundum show an interesting morphology with a diaspore crystal fully separating the whole inclusion into two smaller inclusions. This morphological feature can be explained by morphological ripening and subs

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9

Thankan, Silpa, V. Nandakumar, and S. Shivapriya. "Raman Spectroscopic Technique to Distinguish Constituents of Hydrocarbon-Bearing Fluid Inclusions of Kerala-Konkan Basin, Western offshore, India." Journal of Geosciences Research 8, no. 1 (2023): 1–6. http://dx.doi.org/10.56153/g19088-022-0096-21.

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Fluid inclusion studies have a great diversity of applications in exploration geology and are necessary tools in the determination of palaeotemperature and nature of fluids associated with the rocks in a basin. Using various fluid inclusion techniques such as petrography, microthermometry and Laser Raman Spectroscopy of fluid inclusions with Hydrocarbon fluid inclusions (HCFIs) help us to understand the generation potential of the basin. The representative micron sized fluid inclusions that intruded into the different geological formations of the KK-4C-A1well drilled by Oil and Natural Gas Cor

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10

Rabiei, M., G. Chi, E. G. Potter, et al. "Fluid evolution along the Patterson Lake corridor in the southwestern Athabasca Basin: constraints from fluid inclusions and implications for unconformity-related uranium mineralization." Geochemistry: Exploration, Environment, Analysis 21, no. 3 (2021): geochem2020–029. http://dx.doi.org/10.1144/geochem2020-029.

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The Patterson Lake corridor (PLC) in the southwestern margin of the Athabasca Basin hosts several high-grade uranium deposits. These deposits are located in the basement up to 900 m below the unconformity surface, raising questions about their affiliation with typical unconformity-related uranium (URU) deposits elsewhere in the basin. Based on cross-cutting relationships four pre- and three syn- to post-mineralization quartz generations were identified. Fluid inclusion analyses indicate that pre-mineralization fluids have salinities ranging from 0.2 to 27.2 wt% NaCl equiv. (avg. 9.0 wt%), wher

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11

Mao, Wei, Ziqi Jiang, Thomas Ulrich, Hong Zhong, and Linbo Shang. "Improvements in the Quantification of End-Member Vapor Compositions in Fluid Inclusion Boiling Assemblages and Implications for Metal Transport by Low-Density Fluids." Economic Geology 119, no. 3 (2024): 573–92. http://dx.doi.org/10.5382/econgeo.5059.

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Abstract Under conditions typically found in the Earth’s crust, there is a large pressure-temperature-composition range in the H2O-NaCl system where fluids may separate into a low-salinity vapor end member and a high-salinity liquid end member. However, heterogeneous trapping is common during the formation of fluid inclusions in an immiscible fluid system, violating the fundamental assumption of homogeneous entrapment for fluid inclusion microthermometry. This has profound consequences on the composition of these fluid phases and consequently on the formation of ore deposits from hydrothermal

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de Alvarenga, C. J. S., M. Cathelineau, and J. Dubessy. "Chronology and orientation of N2–CH4, CO2-H2O, and H2O-rich fluid-inclusion trails in intrametamorphic quartz veins from the Cuiabá gold district, Brazil." Mineralogical Magazine 54, no. 375 (1990): 245–55. http://dx.doi.org/10.1180/minmag.1990.054.375.10.

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AbstractThe upper Proterozoic Cuiabá group of Mato Grosso, Brazil, is composed of low-grade clastic meta-sediments which have been folded by several successive tectonic events. Three generations of quartz veins are associated with the structural evolution of this area. The first veins are deformed by the main tectonic phases and show a complex deformational patterns. The second set is parallel to the cleavage and was formed syntectonically during the main folding phase, whilst the last quartz veins are related to a later stage of deformation. A systematic study of fluid inclusions in relation

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13

Asha Manjari, K. G. "Fluid Inclusion Studies in Charnockites from Yercaud Area, Tamil Nadu." Journal Geological Society of India 41, no. 1 (1993): 60–66. http://dx.doi.org/10.17491/jgsi/1993/410106.

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Abstract Massive charnockites from the Yercaud area in Tamil Nadu show petrographic evidence for post-metamorphic deformation. Fluid inclusion studies indicate a change in densities from 1.06 - 1.03 g/cm3 in the early carbonic inclusions to 1.17 - 0.90g/cm3 in the late carbonic inclusions. The wide range of density variations within each generation of fluids suggest that the syn-metamorphic fluids captured within inclusions could have been preferentially leaked out during post-metamorphic deformation.

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14

Wang, Jian, Mingfeng Xie, Alessandra Costanzo, Martin Feely, Yingchang Cao, and Keyu Liu. "Origin and Evolution of Geofluids in the Eocene Red-Bed Sandstones of the Dongying Depression, China." Global Journal of Earth Science and Engineering 9 (March 11, 2022): 16–33. http://dx.doi.org/10.15377/2409-5710.2022.09.2.

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Fluid inclusion and petrographic study focused on authigenic quartz, annealed microfractures in quartz grains (AMF) and carbonate cement, was performed in red-bed reservoir sandstones from the first member of the Kongdian Formation and the lower fourth member of the Shahejie Formation (Shengli oilfield, East China). Both hydrocarbon and aqueous inclusions are present. Microthermometry and Laser Raman spectroscopes of liquid-rich two-phase inclusions showed that the pressure-correction value of aqueous inclusions is < 15°C. Differences in homogenization temperature and salinity occur between

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15

Latypova, M. R., V. Yu Prokofiev, N. S. Balushkina, et al. "Fluid inclusions geochemical characteristics as indicators of the organic matter transformation degree in Jurassic sediments of the Em-Ega crest (Krasnoleninsky arch, Western Siberia)." Moscow University Bulletin. Series 4. Geology, no. 2 (June 8, 2023): 79–92. http://dx.doi.org/10.55959/msu0579-9406-4-2023-63-2-79-92.

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Fluid inclusions in quartz crystals from the Abalak formation carbonate rocks of 5 wells on the Em-Egovskaya summit of the Krasnoleninsky arch (Western Siberia) were investigated. Two-phase fluid inclusions with water-salt solutions, inclusions containing organic liquid, and single-phase gas fluid inclusions were found. For fluid inclusions with two-phases, the values of the homogenization temperature were obtained. For single-phase inclusions, the temperature of the second phase forming was revealed. It was established that two types of primary inclusions are present in one well, with oil and

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16

Pan, Jun-Yi, Pei Ni, and Ru-Cheng Wang. "Comparison of fluid processes in coexisting wolframite and quartz from a giant vein-type tungsten deposit, South China: Insights from detailed petrography and LA-ICP-MS analysis of fluid inclusions." American Mineralogist 104, no. 8 (2019): 1092–116. http://dx.doi.org/10.2138/am-2019-6958.

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Abstract Granite-related wolframite-quartz veins are the world's most important tungsten mineralization and production resource. Recent progress in revealing their hydrothermal processes has been greatly facilitated by the use of infrared microscopy and laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) analysis of both quartz- and wolframite-hosted fluid inclusions. However, owing to the paucity of detailed petrography, previous fluid inclusion studies on coexisting wolframite and quartz are associated with a certain degree of ambiguity. To better understand the fluid pro

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17

Zhu, Ruijing, Rongxi Li, Xiaoli Wu, et al. "The Accumulation Characteristics of the Paleozoic Reservoir in the Central-Southern Ordos Basin Recorded by Organic Inclusions." Geofluids 2021 (September 16, 2021): 1–17. http://dx.doi.org/10.1155/2021/9365364.

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The Permian tight clastic reservoir and Ordovician carbonate reservoir were developed in the central-southern Ordos Basin. This study investigated the fluid inclusion petrography, diagenetic fluid characteristics, formation process of natural gas reservoir, source rock characteristics, and reservoir accumulation characteristics of these Paleozoic strata by petrographic observations, scanning electron microscope imaging, fluid inclusion homogenization temperature, salinity, laser Raman spectrum, and gas chromatograph analyses. The results have suggested two phases of fluid inclusions in both th

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18

Konnerup-Madsen, Jens. "A reconnaissance study of fluid inclusions in fracture-filling quartz and calcite from the Lopra-1/1A well, Faroe Islands." Geological Survey of Denmark and Greenland (GEUS) Bulletin 9 (May 31, 2006): 119–22. http://dx.doi.org/10.34194/geusb.v9.4864.

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Fracture-filling calcite and quartz from the Lopra-1/1A well (at 2380 m and 3543 m depth) contains both aqueous low-salinity fluid inclusions and hydrocarbon-dominated fluid inclusions. Microthermometry indicates that the aqueous fluids contain 0.2 to 1.4 equivalent weight% NaCl and occasionally contain traces of hydrocarbons. Homogenisation to liquid occurred between 90°C and 150°C. Modelling based on these fluid inclusion observations indicates that during burial the basaltic section was subjected to temperatures of 160°C and 170°C, occasional pressures of 600–700 bars and the simultaneous p

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19

Barr, Hazel. "Preliminary fluid inclusion studies in a high-grade blueschist terrain, Syros, Greece." Mineralogical Magazine 54, no. 375 (1990): 159–68. http://dx.doi.org/10.1180/minmag.1990.054.375.03.

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AbstractPreliminary fluid inclusion measurements have been made on quartz (whole rocks and segregations) and garnet from a blueschist terrain. Although further measurements are required, the fluids apparently associated with the blueschist event are aqueous with no thermometrically detectable CO2, a feature which is consistent with mineral-fluid equilibria studies. The salinity of the fluid inclusions is highly variable, from almost pure H2O to halite saturation, and a mechanism involving hydration reactions, such as proposed by Crawford et al. (1979), is suggested. Fluid inclusions associated

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20

Krenn, Kurt, and Le Thi Thu Huong. "Fluid characteristics from shallow magmatic environments: A contribution to danburite bearing Luc Yen pegmatites, northern Vietnam." VIETNAM JOURNAL OF EARTH SCIENCES 41, no. 1 (2019): 1–9. http://dx.doi.org/10.15625/0866-7187/41/1/13541.

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Danburite as a member of the Luc Yen pegmatite mineral assemblage has been studied using fluid inclusion microthermometry and Raman spectroscopy. Data characterize well-preserved fluid inclusions which originate from primary large tubular inclusions as result of necking down. Same modifications underwent a second inclusion generation that evolved during healing of a later crack. Both generations of fluid inclusions show the same chemistry (H2O-CO2) characterizing 3-phase inclusions with additional solids (calcite, sassolite and danburite). Inclusions consist of pure CO2 and H2O with additional

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21

Lopez-Elorza, Maialen, Maria Belén Muñoz-García, Laura González-Acebrón, and Javier Martín-Chivelet. "Fluid-inclusion petrography in calcite stalagmites: Implications for entrapment processes." Journal of Sedimentary Research 91, no. 11 (2021): 1206–26. http://dx.doi.org/10.2110/jsr.2021.016.

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ABSTRACT Fluids trapped in speleothems have an enormous potential in frontier fields of paleoclimate and paleohydrological research. This potential is, however, hampered by diverse scientific and technical limitations, among which the lack of a systematic methodology for genetically characterizing fluid inclusions is a major one, as these can have different origins, and thus, the trapped fluid (usually water), different meanings. In this work, we propose a systematic petrological classification of fluid inclusions, based on: 1) the temporal relation between fluid inclusions and the host calcit

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Allan, M. M. "Validation of LA-ICP-MS fluid inclusion analysis with synthetic fluid inclusions." American Mineralogist 90, no. 11-12 (2005): 1767–75. http://dx.doi.org/10.2138/am.2005.1822.

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23

Oo, Toe Naing, Agung Harijoko, and Lucas Donny Setijadji. "Fluid Inclusion Study of Epithermal Quartz Veins from the Kyaukmyet Prospect, Monywa Copper-Gold Ore Field, Central Myanmar." Journal of Geoscience, Engineering, Environment, and Technology 6, no. 4 (2021): 248–54. http://dx.doi.org/10.25299/jgeet.2021.6.4.7726.

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The Kyaukmyet prospect is located near the main ore bodies of the Kyisintaung and Sabetaung high-sulfidation Cu-Au deposits, Monywa copper-gold ore field, central Myanmar. Lithologic units in the research area are of mainly rhyolite lava, lapilli tuff and silicified sandstone, mudstone and siltstone units of Magyigon Formation which hosted to be polymetallic mineralization. Our field study recorded that epithermal quartz veins are hosted largely in rhyolite lava and lapilli tuff units. Those quartz veins show crustiform, banded (colloform), lattice bladed texture and comb quartz. The main obje

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Bodnar, Robert J., and Maria Luce Frezzotti. "Microscale Chemistry: Raman Analysis of Fluid and Melt Inclusions." Elements 16, no. 2 (2020): 93–98. http://dx.doi.org/10.2138/gselements.16.2.93.

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Raman spectroscopy is a commonly applied nondestructive analytical technique for characterizing fluid and melt inclusions. The exceptional spatial resolution (~1 µm) and excellent spectral resolution (≤1 cm−1) permits the characterization of micrometer-scale phases and allows quantitative analyses based on Raman spectral features. Data provided by Raman analysis of fluid and melt inclusions has significantly advanced our understanding of complex geologic processes, including preeruptive volatile contents of magmas, the nature of fluids in the deep crust and upper mantle, the generation and evo

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Wieser, Penny E., and Charlotte DeVitre. "DiadFit: An open-source Python3 tool for peak fitting of Raman data from silicate melts and CO2 fluids." Volcanica 7, no. 1 (2024): 335–59. http://dx.doi.org/10.30909/vol.07.01.335359.

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We present DiadFit—an open-source Python3 tool for efficient processing of Raman spectroscopy data collected from fluid inclusions, melt inclusions and silicate melts. DiadFit is optimized to fit the characteristic peaks from CO2 fluids (Fermi diads, hot bands, 13C), gas species such as SO2, N2, solid precipitates (e.g. carbonates), and Ne emission lines with easily tweakable background positions and peak shapes. DiadFit's peak fitting functions are used as part of a number of workflows optimized for quantification of CO2 in melt inclusion vapour bubbles and fluid inclusions. DiadFit can also

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Krejčí Kotlánová, Michaela, Zdeněk Dolníček, Miloš René, et al. "Fluid Evolution of Greisens from Krupka Sn-W Ore District, Bohemian Massif (Czech Republic)." Minerals 14, no. 1 (2024): 86. http://dx.doi.org/10.3390/min14010086.

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The Sn-W ore deposits in the Krupka surroundings are associated with greisens, which occur in the upper parts of Late Variscan granitoid intrusions. Fluid inclusions were studied in samples of quartz, cassiterite, apatite, fluorite, and topaz in greisenized granites, greisens, and hydrothermal veins with Sn-W mineralization. The greisenization process took place at temperatures 370–490 °C and pressures 155–371 bars, and associated fluids had predominantly low salinity and a low gas (CO2, N2 and CH4) content. The post-greisenization stage was connected with the formation of (i) low-salinity (0–

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SATISH-KUMAR, M., and M. SANTOSH. "A petrological and fluid inclusion study of calc-silicate–charnockite associations from southern Kerala, India: implications for CO2 influx." Geological Magazine 135, no. 1 (1998): 27–45. http://dx.doi.org/10.1017/s0016756897008145.

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Recent discovery of wollastonite-bearing calc-silicate assemblages adjacent to gneiss–charnockite horizons in the supracrustal terrain of the Kerala Khondalite Belt, southern India, provides an opportunity to evaluate the carbonic fluid infiltration model proposed for charnockite formation. Petrological and fluid inclusion studies across these horizons in three representative localities are presented in this study. The calc-silicate assemblages define peak metamorphic conditions of ∼800°C at 5 kbar and define a low aCO2. Adjacent charnockite assemblages developed through dehydration involving

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Jian, Wei, Moritz Albrecht, Bernd Lehmann, et al. "UV-fs-LA-ICP-MS Analysis of CO2-Rich Fluid Inclusions in a Frozen State: Example from the Dahu Au-Mo Deposit, Xiaoqinling Region, Central China." Geofluids 2018 (2018): 1–17. http://dx.doi.org/10.1155/2018/3692180.

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The recently developed technique of ultraviolet femtosecond laser ablation inductively coupled plasma mass spectrometry (UV-fs-LA-ICP-MS) combined with a freezing cell is expected to improve the analysis of CO2-rich fluid inclusions by decreasing their internal pressure and avoiding the common problem of uncontrolled explosive fluid release on ablation. Here, we report the application of this technique through the case study of CO2-rich fluid inclusions from the quartz vein-style Au-Mo deposit of Dahu in the Xiaoqinling region of central China. The concentrations of Li, B, Na, Al, K, Ca, Mn, F

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Yang, Wenjing, Tianshe Cheng, Xuebin Zhang, et al. "The H–O–S Isotope Characteristics and Diagenetic, Mineralization Ages of the Zhueryu Au Deposit from the Jidong Gold Belt, China." Minerals 14, no. 11 (2024): 1068. http://dx.doi.org/10.3390/min14111068.

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The Zhueryu Au deposit is one of the important quartz-vein type Au deposits. It is located at the western margin of the Jidong gold belt in China and characterized by ore bodies hosted in structural fractures within the Zhueryu syenite. The H, O, and S isotopes as well as the Rb–Sr isotope age of fluid inclusions from the quartz-polymetallic sulfide ore bodies (main stage) and the zircon U–Pb isotope age from the syenite were analyzed so as to discuss the source of ore-forming fluids and constrain the Au’s mineralization age. The textural characteristics of the fluid inclusions indicate that t

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Chauhan, Dinesh S., Rajesh Sharma, and D. R. Rao. "A new occurrence of lazulite from the Main Central Thrust in Kumaun Himalaya, India: fluid inclusion, EPMA and Raman spectroscopy focusing on lazulite in a highly tectonized zone." Geological Society, London, Special Publications 481, no. 1 (2019): 211–30. http://dx.doi.org/10.1144/sp481-2018-117.

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AbstractThe present study reports and investigates ‘lazulite’ occurring in the vicinity of a highly tectonized zone of the Main Central Thrust (MCT) in the Himalaya. The azure blue lazulite, hosted in quartz veins, occurs in fractured Berinag quartzite, which forms the footwall of the MCT near Sobla village in NE Kumaun Himalaya, India. Lazulite was investigated using SEM-EDX, micro Raman spectroscopy, fluid inclusion microthermometry and electron probe microanalysis (EPMA). Lazulite contains inclusions of rutile and hematite and has Mg/(Mg+Fe) ratios of 0.86 to 0.90. The phosphorus in lazulit

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Kim, Hyungsuk, Kyounghee Yang, David Lentz, et al. "Low-salinity Liquid-rich Or Vapor-like Fluids in a Porphyry-type Mo Deposit, South Korea." Canadian Mineralogist 54, no. 3 (2016): 715–36. http://dx.doi.org/10.3749/canmin.1500008.

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Abstract Small porphyry-type molybdenum (Mo) mineralization, the Geumeum deposit in the Gyeongsang Basin, South Korea, is associated with the crystallization of a Cretaceous granodiorite, exsolution of magmatic hydrothermal fluids, and related hydrofracturing. Quartz and molybdenite occur with minor amounts of uneconomic chalcopyrite, pyrite, sphalerite, and galena that precipitated from exsolved magmatic fluids and formed hydrothermal fissure-filling vein ores. Three distinct fluid inclusion assemblages responsible for the precipitation of molybdenite are present in the vein quartz. The earli

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Vapnik, Ye, and I. Moroz. "Compositions and formation conditions of fluid inclusions in emerald from the Maria deposit (Mozambique)." Mineralogical Magazine 66, no. 1 (2002): 201–13. http://dx.doi.org/10.1180/0026461026610023.

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AbstractThe compositions of fluid inclusions hosted in emerald and quartz (the Maria deposit, Mozambique) were studied using microthermometric and Raman microprobe techniques. The fluid inclusions in the emerald contain fluids within the Na-Ca-Mg-(HCO3)−-(CO3)2−-Cl-H2O system saturated in carbonic acid brines. Nahcolite is a main daughter solid phase within the fluid inclusions. The mean nahcolite and NaCl contents are 25 and 5 wt.%, respectively. Mg-calcite, magnesite, calcite and aragonite are also identified as daughter phases in the fluid inclusions. Many fluid inclusions show necked-down

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Boullier, Anne-Marie. "Fluid inclusions: tectonic indicators." Journal of Structural Geology 21, no. 8-9 (1999): 1229–35. http://dx.doi.org/10.1016/s0191-8141(99)00039-5.

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ISHIYAMA, D., T. OGATA, H. SATOH, T. MIZUTA, K. SERA, and S. FUTATSUGAWA. "ENRICHMENT OF COPPER IN ORE-FORMING FLUID OF COPPER-TUNGSTEN MINERALIZATION OF THE YAMAGUCHI SKARN DEPOSIT, IWATE, JAPAN." International Journal of PIXE 09, no. 03n04 (1999): 431–39. http://dx.doi.org/10.1142/s0129083599000541.

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Chemical composition of the fluids in the fluid inclusions of quartz from the pegmatite veins of the Yamaguchi W - Cu skarn deposit was measured by a combination of the crush-leach method in deionized water and chemical analysis using PIXE. Chemical composition of the fluids is characterized by a low molar ratio of Na/K and a high Cu concentration. The molar ratio of Cu /( Cu + Fe + Zn ) of the fluid inclusions is higher than that of massive sulfide deposits on the seafloor. The molar ratio of Cu /( Cu + Fe + Zn ) of the fluid inclusions is similar to the ratios of the vapor-rich fluid inclusi

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Wang, Yangyang, and Yilin Xiao. "Infrared microthermometry of fluid inclusion in sphalerite: A case study of the Xinqiao deposit in the Middle–Lower Yangtze metallogenic belt." JUSTC 54, no. 5 (2024): 0502. http://dx.doi.org/10.52396/justc-2023-0054.

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Infrared microthermometry allows direct measurement of fluid inclusions hosted in opaque ore minerals and can provide direct constraints on the evolution of ore-forming fluids. This study presents infrared microthermometry of spherite-hosted fluid inclusions from the Xinqiao deposit in the Middle-Lower Yangtze Metallogenic Belt and sheds new light on the ore genesis of the deposit. Considering that infrared light may lead to non-negligible temperature deviations during microthermometry, some tests were first conducted to ensure the accuracy of the microthermometric measurements. The measuremen

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Parnell, John, and Martin Baron. "The preservation of fluid inclusions in diverse surface precipitates: the potential for sampling palaeo-water from surface deposits on Mars." International Journal of Astrobiology 3, no. 1 (2004): 21–30. http://dx.doi.org/10.1017/s1473550404001867.

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A wide range of surface deposits have been suggested as targets for the search for evidence of life on the surface of Mars. We show that duricrusts, biogenic lacustrine precipitates, hydrothermal and chemosynthetic precipitates, speleothems, travertines and evaporites all contain low-temperature fluid inclusions which represent surface/very-near-surface fluids. These fluid inclusions have good preservation potential. The recording of abundant inclusions in sulphate crusts is particularly important as they may be widespread on Mars. The inclusion fluids represent the surface waters from which t

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37

Haynes, Frederick M. "Fluid-inclusion evidence of basinal brines in Archean basement, Thunder Bay Pb–Zn–Ba district, Ontario, Canada." Canadian Journal of Earth Sciences 25, no. 11 (1988): 1884–94. http://dx.doi.org/10.1139/e88-177.

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Fluid inclusions from three quartz–galena–sphalerite–barite–calcite veins in the Thunder Bay district of western Ontario contain liquid + vapor ± halite and homogenize by vapor disappearance or halite dissolution at temperatures of 90–200 °C. Cyclically frozen, liquid + vapor (type I) inclusions undergo four melting events upon gradual warming (initial melting at −55 to −46 °C; ice disappearance at −30.2 to −25.4 °C; inversion of hydrohalite to halite at −8.0 to 0.7 °C; and halite melting at 14.0 to 56.3 °C. Liquid + vapor + halite (type II) inclusions behave similarly but have higher Tm ice (

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El Arbaoui, Amal, Ismaïla N’Diaye, Zaineb Hajjar, et al. "Fluid Origin and Evolution of the Roc Blanc Silver Deposit (Jebilet Massif, Variscan Belt, Morocco): Constraints from Geology and Fluid Inclusions." Geofluids 2022 (December 7, 2022): 1–22. http://dx.doi.org/10.1155/2022/3882516.

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The Roc Blanc Pb-Zn-Ag-Au vein deposit is located in the NW of Marrakech, in the Central Jebilet massif. It is spatially related to Bramram-Tabouchennt-Bamega (BTB) granodioritic pluton (ca. 330 Ma) metamorphism aureole. The main veins hosted in black shales are oriented N-S to NNW-SSE. Pb-Zn-Ag-Au ore is associated with quartz, chlorite, sericite, and carbonate gangue minerals. Two major stages of ore deposition were distinguished. The preore stage (stage I) comprises two quartz-mineralised vein generations with Fe, As, Zn, and Cu ores (vg1 and vg2). The main ore stage (stage II) consists mai

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Saito, Takuya, Hua-Ning Qiu, Takazo Shibuya, et al. "Ar–Ar dating for hydrothermal quartz from the 2.4 Ga Ongeluk Formation, South Africa: implications for seafloor hydrothermal circulation." Royal Society Open Science 5, no. 9 (2018): 180260. http://dx.doi.org/10.1098/rsos.180260.

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Fluid inclusions in hydrothermal quartz in the 2.4 Ga Ongeluk Formation, South Africa, are expected to partially retain a component of the ancient seawater. To constrain the origin of the fluid and the quartz precipitation age, we conducted Ar–Ar dating for the quartz via a stepwise crushing method. The obtained argon isotopes show two or three endmembers with one or two binary mixing lines as the crushing proceeds, suggesting that the isotopic compositions of these endmembers correspond to fluid inclusions of each generation, earlier generated smaller 40 Ar- and K-rich inclusions, moderate 40

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Klein, Frieder, Niya G. Grozeva, and Jeffrey S. Seewald. "Abiotic methane synthesis and serpentinization in olivine-hosted fluid inclusions." Proceedings of the National Academy of Sciences 116, no. 36 (2019): 17666–72. http://dx.doi.org/10.1073/pnas.1907871116.

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The conditions of methane (CH4) formation in olivine-hosted secondary fluid inclusions and their prevalence in peridotite and gabbroic rocks from a wide range of geological settings were assessed using confocal Raman spectroscopy, optical and scanning electron microscopy, electron microprobe analysis, and thermodynamic modeling. Detailed examination of 160 samples from ultraslow- to fast-spreading midocean ridges, subduction zones, and ophiolites revealed that hydrogen (H2) and CH4 formation linked to serpentinization within olivine-hosted secondary fluid inclusions is a widespread process. Fl

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Rajesh, H. M., and M. Santosh. "Fluorapatite from Alkaline Pegmatites of the Kerala Khondalite Belt: A Petrologic and Fluid Inclusion Study." Journal Geological Society of India 48, no. 6 (1996): 637–46. http://dx.doi.org/10.17491/jgsi/1996/480604.

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Abstract We report the occurrence of primary apatite crystals in association with graphite within alkaline pegmatite dykes in the Kerala Khondalite Belt (KKB). Petrologic and X-ray diffraction studies identify the mineral to be fluorapatite. Fluid inclusion studies show that the fluorapatites contain abundant CO2-rich inclusions with densities in the range of 0.85-0.72 gcm-3. A subsequent generation of trail-bound CO2-HP inclusions with low salinity were entrapped along hydraulic cracks. The abundance of CO2-rich inclusions, and the intimate association of fluorapatite with fluid-precipitated

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Zaccarini, Federica, Gabriella B. Kiss, Giorgio Garuti, et al. "Methane in Fluid Inclusions in Ophiolitic Chromitites Revealed by Raman Spectroscopy: Preliminary Results." Minerals 15, no. 4 (2025): 335. https://doi.org/10.3390/min15040335.

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This contribution provides a petrographic and Raman investigation of fluid inclusions found in chromitites collected in the ophiolites of Santa Elena (Costa Rica), Bracco (Italy), Otrhys and Vourinos (Greece), and Troodos (Cyprus). Most of the analyzed chromites are classified as high-Cr, with the exception of those from Bracco and some of the Othrys complexes that are high-Al. Although the investigation of fluid inclusions in chromitites is very challenging due to the poor transparency of the host chromite, the studied samples contain numerous fluid inclusions. The fluid inclusions look to be

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Thomas, L. J., R. S. Harmon, and G. J. H. Oliver. "Stable isotope compositions of alteration fluids in low-grade Lower Palaeozoic rocks, English Lake District." Mineralogical Magazine 49, no. 352 (1985): 425–34. http://dx.doi.org/10.1180/minmag.1985.049.352.13.

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AbstractA combination of hydrogen and oxygen isotope analyses and fluid inclusion studies has defined the composition of fluids involved in the metamorphism of Lower Palaeozoic rocks in the English Lake District. Three fluid fields have been defined from secondary phases: 1, syn-burial metamorphic D-enriched fluids from epidote and chlorite at a temperature between 250 and 350°C; D-depleted fluid measured from groundmass and quartz inclusions; 3, a mixed magmatic-meteoric fluid with an intermediate H-isotopic composition estimated from W/R granite data and calculated from illite.

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Guo, Xianzheng, Xinbiao Lü, Qunzi Jia, Jinchao Li, and Huilei Kong. "Fluid Inclusions and S–Pb Isotopes of the Reshui Porphyry Mo Deposit in East Kunlun, Qinghai Province, China." Minerals 9, no. 9 (2019): 547. http://dx.doi.org/10.3390/min9090547.

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The Reshui porphyry Mo deposit is located in the East Kunlun orogenic belt (EKOB). Molybdenum mineralization is distributed in monzogranite and porphyritic monzogranite rocks, mainly presenting as various types of hydrothermal veinlets in altered wall rocks, and the orebodies are controlled by three groups of fractures. In this paper, we present the results of fluid-inclusion and isotopic (S and Pb) investigations of the Reshui Mo deposit. The ore-forming process of the deposit can be divided into three stages: an early disseminated molybdenite stage (stage 1), a middle quartz–molybdenite stag

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Yang, K. H., S. H. Yun, and J. D. Lee. "A fluid inclusion study of an amethyst deposit in the Cretaceous Kyongsang Basin, South Korea." Mineralogical Magazine 65, no. 4 (2001): 477–87. http://dx.doi.org/10.1180/002646101750377515.

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AbstractThe Eonyang amethyst deposit is thought to be spatially and temporally associated with the biotite granite of the Cretaceous Kyongsang Basin, South Korea. The euhedral quartz crystals in cavities in the aplite which intrudes biotite granite are colour-zoned from white at the base to amethystine at the top. Fluid inclusions from rock-forming quartz in granitic rocks and euhedral quartz crystals in cavities were examined. Three types of primary inclusions were observed and three isochores for inclusions representing each type are constructed to constrain the trapping conditions and fluid

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Prokopyev, Ilya, Evgeniy Kozlov, Ekaterina Fomina, Anna Doroshkevich, and Maxim Dyomkin. "Mineralogy and Fluid Regime of Formation of the REE-Late-Stage Hydrothermal Mineralization of Petyayan-Vara Carbonatites (Vuoriyarvi, Kola Region, NW Russia)." Minerals 10, no. 5 (2020): 405. http://dx.doi.org/10.3390/min10050405.

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The Vuoriyarvi Devonian alkaline–ultramafic complex (northwest Russia) contains magnesiocarbonatites with rare earth mineralization localized in the Petyayan-Vara area. High concentrations of rare earth elements are found in two types of these rocks: (a) ancylite-dominant magnesiocarbonatites with ancylite–baryte–strontianite–calcite–quartz (±late Ca–Fe–Mg carbonates) ore assemblage, i.e., “ancylite ores”; (b) breccias of magnesiocarbonatites with a quartz–bastnäsite matrix (±late Ca–Fe–Mg carbonates), i.e., “bastnäsite ores.” We studied fluid inclusions in quartz and late-stage Ca–Fe–Mg carbo

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Mueller, Mathias, Benjamin F. Walter, Peter K. Swart, et al. "A tale of three fluids: Fluid-inclusion and carbonate clumped-isotope paleothermometry reveals complex dolomitization and dedolomitization history of the Latemar platform." Journal of Sedimentary Research 92, no. 12 (2022): 1141–68. http://dx.doi.org/10.2110/jsr.2022.047.

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Abstract This work focuses on an exceptionally complex natural laboratory, the Triassic Latemar isolated platform in the Dolomite Mountains of northern Italy. It explores spatial and temporal gradients in processes and products related to contact metamorphism, dolomitization, and the dedolomitization of marine limestones. Rock samples were studied using dual fluid-inclusion thermometry and clumped-isotope thermometry. Independent of the spatial position at Latemar, Δ47 clumped-isotope and fluid-inclusion data provide contrasting paleotemperature estimates. An apparent lack of systematic patter

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Channer, D. M. DeR, and E. T. C. Spooner. "Geochemistry of late (~ 1.1 Ga) fluid inclusions in rocks of the Kapuskasing Archean crustal section." Canadian Journal of Earth Sciences 31, no. 7 (1994): 1235–55. http://dx.doi.org/10.1139/e94-109.

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Three outcrops, well constrained by geochronological and structural studies, and representing a traverse running from tonalite-dominated outcrops in the eastern Wawa gneiss terrane to high-grade granulites of the Kapuskasing structural zone, were mapped and sampled in detail in order to study the trapped fluids. All fluid inclusions in quartz are secondary and consist mostly of CO2-dominated (type II) and saline aqueous (type IIIa) fluids usually occurring on separate healed fractures but also coexisting on some fractures. Healed fractures in quartz contain fluid inclusions but are associated

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Schmidt, Madison A., Matthew I. Leybourne, Jan M. Peter, Duane C. Petts, Simon E. Jackson, and Daniel Layton-Matthews. "Development of a laser ablation ICP-MS method for the analysis of fluid inclusions associated with volcanogenic massive sulfide deposits." Geochemistry: Exploration, Environment, Analysis 21, no. 3 (2021): geochem2020–043. http://dx.doi.org/10.1144/geochem2020-043.

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There is increasing acceptance of the presence of variable magmatic contributions to the mineralizing fluids in the formation of volcanogenic massive sulfide (VMS) deposits. The world-class Windy Craggy Cu-Co-Au deposit (>300 MT @ 2.12 wt% Cu) in northwestern British Columbia is of interest because, unlike most VMS deposits, fluid inclusions in quartz from within the deposit range from relatively low to intermediate salinity (most 6–16 wt% equivalent). In this study we used an excimer (193 nm) laser ablation system interfaced to a quadrupole inductively coupled plasma mass spectrometer to q

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Lajoie, Marie-Ève, Stephen J. Piercey, James Conliffe, and Daniel Layton-Matthews. "Geology, mineralogy, S and Sr isotope geochemistry, and fluid inclusion analysis of barite associated with the Lemarchant Zn–Pb–Cu–Ag–Au-rich volcanogenic massive sulphide deposit, Newfoundland, Canada." Canadian Journal of Earth Sciences 57, no. 1 (2020): 133–66. http://dx.doi.org/10.1139/cjes-2018-0161.

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Barite in the approximately 513 Ma Lemarchant volcanogenic massive sulphide (VMS) deposit, Newfoundland, consists of granular and bladed barite intimately associated with mineralization. Regardless of type, the composition of barite is homogeneous at bulk rock and mineral scale containing predominantly Ba, S, and Sr, with minor Ca and Na. The barite has homogeneous sulphur isotope compositions (δ34Smean = 27‰), similar to Cambrian seawater sulphate (25–35‰) and Sr isotope compositions (87Sr/86Sr = 0.706905 to 0.707485). These results are consistent with barite having formed from fluid–fluid mi

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