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Journal articles on the topic 'Monzodiorite'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Shin, Youngjae, Seungwook Shin, Seong-Jun Cho, and Jeong-Sul Son. "Application of 3D Electrical Resistivity Tomography in the Yeoncheon Titanomagnetite Deposit, South Korea." Minerals 11, no. 6 (2021): 563. http://dx.doi.org/10.3390/min11060563.

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The Yeoncheon titanomagnetite deposit formed by Precambrian magma differentiation is located in Gyeonggi-do, South Korea. Our team conducted an airborne magnetic survey for multiscale mineral exploration and then selected a promising survey area. An electrical resistivity survey was carried out in the potential area to image subsurface structure. Because ore minerals are mainly distributed in gabbro monzodiorite rather than quartz monzodiorite, we applied three-dimensional inversion of electrical resistivity tomography (ERT) data to identify lithology boundaries related to magma differentiatio

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2

Ávila, Ciro A., Wilson Teixeira, Umberto G. Cordani, et al. "The Glória quartz-monzodiorite: isotopic and chemical evidence of arc-related magmatism in the central part of the Paleoproterozoic Mineiro belt, Minas Gerais State, Brazil." Anais da Academia Brasileira de Ciências 78, no. 3 (2006): 543–56. http://dx.doi.org/10.1590/s0001-37652006000300013.

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The Glória quartz-monzodiorite, one of the mafic plutons of the Paleoproterozoic Mineiro belt, is intrusive into banded gneisses, amphibolites, schists and phyllites of the Rio das Mortes greenstone belt, in the southern portion of the São Francisco Craton, State of Minas Gerais, Brazil. The Glória quartz-monzodiorite yields a SHRIMP U-Pb zircon age of 2188 ± 29 Ma, suggesting a tectonic relationship with the pre-collisional phase of the Mineiro belt. According to the Nd isotopic evidence (epsilonNd(T) = -3.4; T DM = 2.68 Ga) the original magmas was formed by a mixture among Archean crustal ma

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3

Marincea, Ştefan, Delia-Georgeta Dumitraş, Cristina Sava, Frédéric Hatert, and Fabrice Dal Bo. "Mineralogy of a High-Temperature Skarn, in High CO2 Activity Conditions: The Occurrence from Măgureaua Vaţei (Metaliferi Massif, Apuseni Mountains, Romania)." Minerals 10, no. 8 (2020): 677. http://dx.doi.org/10.3390/min10080677.

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A shallow-level monzodioritic to quartz-monzodioritic pluton of the Upper Cretaceous age caused contact metamorphism of Tithonic–Kimmeridgian reef limestones at Măgureaua Vaţei (Metaliferi Massif, Apuseni Mountains, Romania). The preserved peak metamorphic assemblage includes gehlenite (Ak 33.64–38.13), monticellite, wollastonite-2M, Ti-poor calcic garnet, and Ca-Tschermak diopside (with up to 11.15 mol.% Ca-Tschermak molecule). From the monzodioritic body to the calcitic marble, the periplutonic zoning can be described as: monzodiorite/agpaitic syenite-like inner endoskarn/wollastonite + pero

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Tran, Hung Phu, and Vy Nguyen Hung Trinh. "U – Pb ISOTOPIC AGE IN ZIRCON OF THE GRANITOID ROCKS AT CAM MOUNTAIN – ANGIANG PROVINCE." Science and Technology Development Journal 14, no. 4 (2011): 46–56. http://dx.doi.org/10.32508/stdj.v14i4.2026.

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Results of analyzing U – Pb isotopic age for zircon in biotite granite, fine granite, monzodiorite, syenite diorite are 88±1,7 Ma, 86±1,7 Ma, 108±0,63 Ma 101±1,5 Ma,. These confirmed that they are Cretaceous age. Through this paper, many thanks to Professor Tony Crawford and Master Dinh Quang Sang (Tasmania University, Australia) for helping us to analyze these isotopic samples.

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5

STEINITZ, ADAR, YARON KATZIR, JOHN W. VALLEY, YARON BE'ERI-SHLEVIN, and MICHAEL J. SPICUZZA. "The origin, cooling and alteration of A-type granites in southern Israel (northernmost Arabian–Nubian shield): a multi-mineral oxygen isotope study." Geological Magazine 146, no. 2 (2008): 276–90. http://dx.doi.org/10.1017/s0016756808005566.

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AbstractA multi-mineral oxygen isotope study sheds light on the origin, cooling and alteration of Late Neoproterozoic A-type granites in the Arabian–Nubian shield of southern Israel. The oxygen isotope ratio of zircon of the Timna monzodiorite, quartz syenite and alkaline granite are within the range of mantle zircon (δ18O(Zrn) = 5.3 ± 0.6‰, 2σ), supporting the co-genetic mantle-derived origin previously suggested based on geochemical data and similar ɛNd(T) values and U–Pb ages (610 Ma). Likewise, olivine norite xenoliths within the monzodiorite (δ18O(Ol) = 5.41 ± 0.07‰) may have formed as cu

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6

Zhimulev, F. I., Yu A. Kalinin, V. P. Sukhorukov, et al. "Age of the Raygorodok Au-bearing Gabbro—Monzodiorite Massif (Northern Kazakhstan)." Doklady Earth Sciences 481, no. 2 (2018): 1033–36. http://dx.doi.org/10.1134/s1028334x18080238.

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7

Vander Auwera, J., J. Longhi, and J. C. Duchesne. "A Liquid Line of Descent of the Jotunite (Hypersthene Monzodiorite) Suite." Journal of Petrology 39, no. 3 (1998): 439–68. http://dx.doi.org/10.1093/petroj/39.3.439.

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8

KORONEOS, A., G. POLI, V. CVETKOVIĆ, G. CHRISTOFIDES, D. KRSTIĆ, and Z. PÉCSKAY. "Petrogenetic and tectonic inferences from the study of the Mt Cer pluton (West Serbia)." Geological Magazine 148, no. 1 (2010): 89–111. http://dx.doi.org/10.1017/s0016756810000476.

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AbstractThe Mt Cer Pluton, Serbia, is a complex laccolith-like intrusion (~ 60 km2), situated along the junction between the southern Pannonian Basin and northern Dinarides. It intrudes Palaeozoic metamorphic rocks causing weak to strong thermal effects. Based on modal and chemical compositions, four rock-types can be distinguished: (1) metaluminous I-type quartz monzonite/quartz monzodiorite (QMZD); (2) peraluminous S-type two-mica granite (TMG), which intrudes QMZD; (3) Stražanica granodiorite/quartz monzonite (GDS); and (4) isolated mafic enclaves (ME), found only in QMZD. 40K–39Ar dating a

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9

Shin, Seungwook, Seongjun Cho, Euijun Kim, and Jihyun Lee. "Geophysical Properties of Precambrian Igneous Rocks in the Gwanin Vanadiferous Titanomagnetite Deposit, Korea." Minerals 11, no. 10 (2021): 1031. http://dx.doi.org/10.3390/min11101031.

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Precambrian igneous rocks (851–873 Ma) occur in Pocheon City, Korea. These rocks—crystallized during magmatic differentiation—formed vanadiferous titanomagnetite (VTM) deposit. Vanadium is a crucial element in vanadium redox flow batteries that are most appropriate for large-scale energy storage systems. We investigated the VTM deposit to evaluate its size and the possible presence of a hidden orebody. We demonstrated laboratory experiments of density, susceptibility, resistivity, and chargeability of the Precambrian igneous rocks to enhance the interpretation accuracy of geophysical surveys.

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10

Azizi, Moussaid, Aissa Mohamed, El Azmi Mohammed, et al. "New Petro-Mineralogical Results on the Magmatic Surrounding Rocks of Cu-Ag Mineralization in Tagmout (Eastern Anti -Atlas, Morocco)." European Scientific Journal, ESJ 13, no. 36 (2017): 368. http://dx.doi.org/10.19044/esj.2017.v13n36p368.

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Tagmout deposit is located in the Eastern Anti-Atlas, about 30 km south of the city of Qalâat Mgouna. It contains Cu-Ag mineralization which is embedded in magmatic rocks that are essentially intrusive of various facies. Detailed mapping (1/1200) and petro-mineralogical observation of these facies allow us to distinguish: 1) Olivine gabronorite, it is composed mainly of pyroxenes (CPX and OPX), olivine and biotite; 2) Quartz monzogabbro, it is characterized by the presence of pyroxenes, amphiboles, plagioclases, FK and quartz; 3) Quartz monzodiorite, which is a porphyric facies. It occupies th

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11

Vasyukova, Elena A., and Alexander S. Borisenko. "Petrological implications of the Early Mesozoic lamprophyre dikes and related Tarkhata syenites (SE Altai and NW Mongolia)." Mineralogia 44, no. 1-2 (2013): 13–30. http://dx.doi.org/10.2478/mipo-2013-0002.

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AbstractThis paper presents new data derived from field sampling and from a thorough description of lamprophyres located in southeastern Altai and northwestern Mongolia in terms of their mineralogy, textures, and chemical composition. The swarms of alkaline mafic dikes in the area coexist with granosyenite-monzodiorite and gabbro-dolerite intrusions and spatially coincide with an ore district of Sb-Hg, Ag-Sb, Ni-Co-As, Cu-Mo-W, and CaF2 hydrothermal mineralization. All lamprophyres belong to the Early Mesozoic Chuya complex formed in an intracontinental enviroment. Their distribution and orien

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12

Niemeyer, Hans, and Carolina Castillo. "El plutón anorogénico Chinquilchoro del Pérmico medio: un caso de zonación concéntrica normal en su parte meridional, norte de Chile." Andean Geology 48, no. 2 (2021): 350. http://dx.doi.org/10.5027/andgeov48n2-3354.

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The southern part of the Mid-Permian Chinquilchoro pluton consits of two approximately concentric lithofacies: an A lithofacies, external melanocratic and a leucocratic internal B lithofacies. The A lithofacies is formed by quartz diorite and quartz monzonite, and the B lithofacies lies in the limit between quartz monzodiorite and quartz monzonite. The contact between the two lithofacies is transitional and difuse. The two lithofacies are calcalkaline, metaluminous and ferric. The coexistence of both lithofacies can be explained by fractional crystallization from the same parental magma in an

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13

OMAE, Akimasa, Isao KUSACHI, and Shoichi KOBAYASHI. "Kaersutite and pargasite in xenoliths included in monzodiorite at Fuka, Okayama Prefecture, Japan." Japanese Magazine of Mineralogical and Petrological Sciences 33, no. 2 (2004): 46–50. http://dx.doi.org/10.2465/gkk.33.46.

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14

Wenzel, Thomas, and Karl Ramseyer. "Mineralogical and mineral-chemical changes in a fractionation-dominated diorite-monzodiorite-monzonite sequence: evidence from cathodoluminescence." European Journal of Mineralogy 4, no. 6 (1992): 1391–400. http://dx.doi.org/10.1127/ejm/4/6/1391.

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15

Buchko, I. V., A. A. Rodionov, and E. B. Salnikova. "AGE OF THE AMNUNAKTA MONZOGABBRO-MONZODIORITE MASSIF IN THE SOUTHERN FRAMING OF THE SIBERIAN CRATON." Geodynamics & Tectonophysics 11, no. 2 (2020): 296–301. http://dx.doi.org/10.5800/gt-2020-11-2-0475.

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16

Bédard, L. Paul. "Archean High-Mg Quartz-Monzodiorite Suite: A Re-Evaluation of the Parental Magma and Differentiation." Journal of Geology 104, no. 6 (1996): 713–28. http://dx.doi.org/10.1086/629864.

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17

Qian, Qing, and Jörg Hermann. "Formation of High-Mg Diorites through Assimilation of Peridotite by Monzodiorite Magma at Crustal Depths." Journal of Petrology 51, no. 7 (2010): 1381–416. http://dx.doi.org/10.1093/petrology/egq023.

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18

Snachev, A. V., V. N. Puchkov, and V. I. Snachev. "New Data on Crystallization Conditions of Monzodiorite—Granite Massifs on the Eastern Slope of the Urals." Doklady Earth Sciences 481, no. 2 (2018): 1056–59. http://dx.doi.org/10.1134/s1028334x18080214.

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19

STERN, R. A., and G. N. HANSON. "Archean High-Mg Granodiorite: A Derivative of Light Rare Earth Element-enriched Monzodiorite of Mantle Origin." Journal of Petrology 32, no. 1 (1991): 201–38. http://dx.doi.org/10.1093/petrology/32.1.201.

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20

Izokh, A. E., N. A. Goryachev, A. V. Al’shevskii, and V. V. Akinin. "Sokhatiny differentiated gabbro-monzodiorite intrusion from the example of sin-batholitic gabbroids of Yano-Kolymskaya system." Doklady Earth Sciences 444, no. 1 (2012): 549–52. http://dx.doi.org/10.1134/s1028334x1205011x.

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21

Keep, Myra, and J. K. Russell. "Mesozoic alkaline rocks of the Averill plutonic complex." Canadian Journal of Earth Sciences 29, no. 11 (1992): 2508–20. http://dx.doi.org/10.1139/e92-197.

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The 150 Ma Averill alkaline plutonic complex is situated in southern British Columbia within the Intermontane Belt of the Canadian Cordillera. It comprises concentrically arranged phases of pyroxenite, monzogabbro, monzodiorite, monzonite, and syenite. Gradational changes in the modal composition of the phases contrast with an abrupt change in crystallinity from euhedral mafic minerals in the ultramafic–mafic phases to an anhedral, interstitial habit for mafic minerals in the syenite. Whole-rock compositions have clear alkaline affinities (e.g., feldspathoid normative) and indicate a chemical

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22

Puchkov, V., A. Snachev, and V. Snachev. "New Data on Crystallization Conditions of Monzodiorite-Granite Massifs in the Eastern Slope of the Southern Urals." Доклады академии наук 481, no. 5 (2018): 544–47. http://dx.doi.org/10.31857/s086956520002122-7.

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23

Barr, Sandra M., James K. Mortensen, Chris E. White, and Richard M. Friedman. "Age and petrology of the Machias Seal Island quartz monzodiorite, the southernmost rocks in New Brunswick, Canada." Atlantic Geology 46 (October 14, 2010): 155–72. http://dx.doi.org/10.4138/atlgeol.2010.009.

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24

Icenhower, J. "Evidence for an enriched mantle source for jøtunite (orthopyroxene monzodiorite) associated with the St. Urbain anorthosite, Quebec." Lithos 42, no. 3-4 (1998): 191–212. http://dx.doi.org/10.1016/s0024-4937(97)00042-x.

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25

Litvinovsky, Boris A., Bor-ming Jahn, Ada N. Zanvilevich, and Michael G. Shadaev. "Crystal fractionation in the petrogenesis of an alkali monzodiorite–syenite series: the Oshurkovo plutonic sheeted complex, Transbaikalia, Russia." Lithos 64, no. 3-4 (2002): 97–130. http://dx.doi.org/10.1016/s0024-4937(02)00179-2.

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26

Beyth, Michael, Robert J. Stern, Rainer Altherr, and Alfred Kröner. "The Late Precambrian Timna igneous complex, Southern Israel: Evidence for comagmatic-type sanukitoid monzodiorite and alkali granite magma." Lithos 31, no. 3-4 (1994): 103–24. http://dx.doi.org/10.1016/0024-4937(94)90003-5.

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27

Song, Yueting, Shanrong Zhao, and Chang Xu. "Crystallographic orientation relationships between quartz and feldspar in myrmekite: a case study in monzodiorite from Meichuan pluton, China." Mineralogical Magazine 85, no. 3 (2021): 406–15. http://dx.doi.org/10.1180/mgm.2021.39.

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AbstractMyrmekites occurring in monzodiorite from the Meichuan pluton in the Dabie ultrahigh-pressure metamorphic belt were investigated. The petrographic evidence demonstrates a metasomatic origin for myrmekite formation at the scale of individual alkali feldspar grains, and that the myrmekitic quartz and plagioclase matrix are generated simultaneously replacing precursor feldspar. Energy-dispersive X-ray spectroscopy and electron microprobe analysis indicate a low anorthite content in the narrow rim of host plagioclase near the myrmekite–alkali-feldspar interface. The Ca2+, Na+ proportion of

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28

Fonseca, Ariadne Do Carmo. "Fragmento tectónico cabo frio: aspectos de campo, petrografía e geoquímica." Anuário do Instituto de Geociências 17 (December 1, 1994): 109–31. http://dx.doi.org/10.11137/1994_0_109-131.

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The main lithological units which occur in the "Cabo Frio Tectonic Fragment" are orthogneisses and paragneisses. The orthogneisses have granitic-granodioritic-tonalitic compositions, with amphibolitic enclaves and intercalations and are cutted by granitic aplites. The paragneisses are metapelites, with intercalations of amphibolite, quartzites and calc-silicate rocks, metamorphosed in upper amphibolite facies, in intermediate pressure conditions. Geochemically, the orthogneisses correspond to a metaluminous high-K calc-alkalic series, with monzogabbro, quartz-monzodiorite and monzonite composi

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29

STRIKHA, VASILY EGOROVICH. "LATERAL ZONALITY OF THE ANYUI SEGMENT OF THE CHUKCHI PLUTONIC BELT (WESTERN CHUKOTKA)." Messenger AmSU, no. 93 (2021): 117–25. http://dx.doi.org/10.22250/jasu.93.25.

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Early Cretaceous granitoids of the Anyui segment of the Chukchi plutonic belt are represented by associations: gabbro-granite, monzodiorite-granite and granite-leucogranite. For the rocks of gabbro-granite and monzonite-granite associations with respect to the primitive mantle, enrichment of Cs, Rb, K was established, with depletion of Nb, Hf, Ti. Granitoids of the granite-leucogranite association are characterized by the most contrasting ratios of enriched and depleted elements, with deep lows of Ba, Nb, Sr, P, Ti against the background of high Cs, Rb, K, Th, U, as well as the absence of a mi

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30

AGHAZADEH, MEHRAJ, ANTONIO CASTRO, ZAHRA BADRZADEH, and KATHARINA VOGT. "Post-collisional polycyclic plutonism from the Zagros hinterland: the Shaivar Dagh plutonic complex, Alborz belt, Iran." Geological Magazine 148, no. 5-6 (2011): 980–1008. http://dx.doi.org/10.1017/s0016756811000380.

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AbstractThe petrological and geochronological study of the Cenozoic Shaivar Dagh composite intrusion in the Alborz Mountain belt (NW Iran) reveals important clues to decipher complex relations between magmatic and tectonic processes in the central sectors of the Tethyan (Alpine–Himalayan) orogenic belt. This pluton is formed by intrusion at different times of two main magmatic cycles. The older (Cycle 1) is formed by calc-alkaline silicic rocks, which range in composition from diorites to granodiorites and biotite granites, with abundant mafic microgranular enclaves. The younger cycle (Cycle 2

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31

MEYER, G. B., T. GRENNE, and R. B. PEDERSEN. "Age and tectonic setting of the Nesåa Batholith: implications for Ordovician arc development in the Caledonides of Central Norway." Geological Magazine 140, no. 5 (2003): 573–94. http://dx.doi.org/10.1017/s0016756803008069.

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New U–Pb zircon dating yields a crystallization age of 458±3 Ma for the largely gabbroic Grøndalsfjell Intrusive Complex in the Gjersvik Nappe of the Caledonian Upper Allochthon in Scandinavia. This is identical, within error, to the age of the adjacent Møklevatnet Complex that is dominated by quartz monzodiorite (456±2 Ma), and the two intrusive suites may be regarded as members of a composite intrusion here referred to as the Nesåa Batholith. Mafic members of this calc-alkaline batholith are characterized by slightly positive εNd–εSr values, marked enrichment of the light rare earth elements

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32

Batsaikhan, Undarmaa, Tsuchiya Noriyoshi, Chimedtseren Anaad, and Batkhishig Bayaraa. "Petrochemical characteristics of late Paleozoic magmatic rocks of the Mandakh area, southeast Mongolia." Mongolian Geoscientist, no. 47 (December 31, 2018): 5–21. http://dx.doi.org/10.5564/mgs.v0i47.1061.

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The late Paleozoic magmatic rocks are widely distributed in the Mandakh area which is located in the Gurvansaikhan and Manlai terrains, where porphyry Cu deposits occur. In this paper we discuss petrochemical features and mineral assemblages of magmatic rocks in the Mandakh area. Furthermore, we compared petrochemical characteristics of magmatic rocks in the Mandakh area with host magmatic rocks of the Tampakan deposit (Philippines), Cerro Colorado deposit (Chili) and negative criteria of Cu deposits (Japan) due to try to characterize potential of the porphyry copper deposit related to magmati

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33

Sheraton, John W., Robert J. Tingey, Lance P. Black, and Robin L. Oliver. "Geology of the Bunger Hills area, Antarctica: implications for Gondwana correlations." Antarctic Science 5, no. 1 (1993): 85–102. http://dx.doi.org/10.1017/s0954102093000112.

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The Bunger Hills area of the East Antarctic Shield consists of granulite-facies felsic orthogneiss, with subordinate paragneiss and mafic granulite. The igneous precursors of granodioritic orthogneiss were emplaced 1500-1700 Ma ago, and late Archaean (2640 Ma) tonalitic orthogneiss occurs in the nearby Obruchev Hills. Peak metamorphism (M1) (at about 750-800°C and 5-6kb) occurred 1190 ±15 Ma ago (U-Pb zircon age), and was accompanied by the first of three ductile deformations (D1). Emplacement of voluminous, mainly mantle-derived plutonic rocks, ranging from gabbro, through quartz monzogabbro

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34

Jiye, SONG, LI Shengrong, QIN Mingkuan, et al. "Morphology, Chemistry and U-Pb Geochronology of Zircon Grains In Quartz Monzodiorite from the Sunzhuang Area, Fanshi County, Shanxi Province." Acta Geologica Sinica - English Edition 89, no. 4 (2015): 1176–88. http://dx.doi.org/10.1111/1755-6724.12522.

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35

Cheong, Chang-Sik, Hui Je Jo, Youn-Joong Jeong, Chan-Soo Park, and Moonsup Cho. "Geochemical and Sr-Nd isotopic constraints on the petrogenesis of the Goesan monzodiorite pluton in the central Okcheon belt, Korea." Island Arc 25, no. 1 (2016): 43–54. http://dx.doi.org/10.1111/iar.12134.

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36

Stern, Richard A., Gilbert N. Hanson, and Steven B. Shirey. "Petrogenesis of mantle-derived, LILE-enriched Archean monzodiorites and trachyandesites (sanukitoids) in southwestern Superior Province." Canadian Journal of Earth Sciences 26, no. 9 (1989): 1688–712. http://dx.doi.org/10.1139/e89-145.

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In southwestern Superior Province, diorite, monzodiorite, and trachyandesite ("sanukitoids") occurring within syn- to post-tectonic intrusive complexes and within greenstone belts have the following chemical characteristics: 55–60 wt.% SiO2, MgO > 6 wt.%, Mg# > 0.60, Ni and Cr both > 100 ppm, Na2O + K2O = 6 wt.%, Sr and Ba both 600–1800 ppm, and rare-earth-element (REE) patterns that are strongly light rare-earth-element (LREE) enriched (Cen = 80–250, Ybn = 4 – 10) and show no Eu anomalies. Sanukitoids and their granodioritic derivatives constitute at least 5% of the exposed crust in

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37

BUZZI, L., L. GAGGERO, L. GROZDANOV, S. YANEV, and F. SLEJKO. "High-Mg potassic rocks in the Balkan segment of the Variscan belt (Bulgaria): implications for the genesis of orogenic lamproite magmas." Geological Magazine 147, no. 3 (2009): 434–50. http://dx.doi.org/10.1017/s0016756809990550.

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AbstractUltrapotassic plutons from several domains of the Variscan orogenic belt have been in turn interpreted as syn- to post-orogenic due to their age spread, but assessment of their geodynamic setting and source regions is still open to interpretation. In the Svoge region (Bulgaria), at the southern margin of the Balkan orogen, peralkalic plutons are hosted within Ordovician pelites. The main intrusion, with lamproitic affinity, which hosts monzodiorite xenoliths and a polyphase syenite suite, was emplaced at a shallow level.40Ar–39Ar dating by step-heating of amphibole and biotite yielded

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Duchesne, J. C., and E. Wilmart. "Igneous Charnockites and Related Rocks from the Bjerkreim-Sokndal Layered Intrusion (Southwest Norway): a Jotunite (Hypersthene Monzodiorite)-Derived A-type Granitoid Suite." Journal of Petrology 38, no. 3 (1997): 337–69. http://dx.doi.org/10.1093/petroj/38.3.337.

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WEISS, S., and G. TROLL. "The Ballachulish Igneous Complex, Scotland: Petrography, Mineral Chemistry, and Order of Crystallization in the Monzodiorite-Quartz Diorite Suite and in the Granite." Journal of Petrology 30, no. 5 (1989): 1069–115. http://dx.doi.org/10.1093/petrology/30.5.1069.

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40

Yao, Xiaofeng, Zhizhong Cheng, Zezhong Du, Zhenshan Pang, Yuquan Yang, and Kun Liu. "Petrology, Geochemistry, and Sr-Nd-S Isotopic Compositions of the Ore-Hosting Biotite Monzodiorite in the Luanjiahe Gold Deposit, Jiaodong Peninsula, China." Journal of Earth Science 32, no. 1 (2021): 51–67. http://dx.doi.org/10.1007/s12583-020-1386-7.

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Galanopoulos, Evangelos, Panagiotis Voudouris, Constantinos Mavrogonatos, et al. "A New Porphyry Mo Mineralization at Aisymi-Leptokarya, South-Eastern Rhodope, North-East Greece: Geological and Mineralogical Constraints." Geosciences 8, no. 12 (2018): 435. http://dx.doi.org/10.3390/geosciences8120435.

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A new porphyry Mo prospect has been discovered in the Aisymi-Leptokarya area, along the southern margin of the Byala Reka–Kechros metamorphic dome, south-eastern (SE) Rhodope metallogenic zone. The study area is dominated by an Oligocene felsic dike complex, which hosts the porphyry Mo mineralization and intrudes into upper Eocene sandstones-marls and the Leptokarya monzodiorite pluton. The Aisymi-Leptokarya felsic dike complex displays a rhyodacitic to dacitic composition with post-collisional affinities. The porphyry Mo mineralization occurs in the form of porphyry-style quartz stockworks in

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Allen, Charlotte M. "A nested diapir model for the reversely zoned Turtle Pluton, southeastern California." Earth and Environmental Science Transactions of the Royal Society of Edinburgh 83, no. 1-2 (1992): 179–90. http://dx.doi.org/10.1017/s0263593300007872.

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ABSTRACTMost zoned plutons described in the geological literature have mafic rims and felsic cores and are referred to as “normally zoned”, whereas relatively few “reversely zoned” intrusions (felsic rims and mafic cores) have been described. That unusual zonation pattern has been variously attributed to in situ processes or to the reordering of an underlying, vertically stratified, magma chamber either by intrusion through an orifice or by emplacement of composite diapirs. The Turtle Pluton is an early Cretaceous, reversely zoned, intrusion that is divided into four facies: a Rim Sequence tha

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Ripa, Magnus, and Michael B. Stephens. "Chapter 9 Continental magmatic arc and siliciclastic sedimentation in the far-field part of a 1.7 Ga accretionary orogen." Geological Society, London, Memoirs 50, no. 1 (2020): 253–68. http://dx.doi.org/10.1144/m50-2017-3.

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AbstractTrachyandesitic to trachybasaltic lavas, interlayered siliciclastic sedimentary rocks and subaerial ignimbrites with a rhyolitic to trachydacitic composition lie unconformably above metamorphic rocks in west-central Sweden. These volcanic rocks erupted at 1711 + 7/−6 to 1691 ± 5 Ma and belong to a high-K, calc-alkaline to shoshonitic suite deposited in a continental arc setting. Positive ɛNd values and Nb/Yb ratios in the trachyandesitic to trachybasaltic rocks indicate an enriched mantle source. Coeval, 1710 ± 11 to 1681 ± 16 Ma plutonic and subvolcanic rocks are mainly granitic or qu

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Ripa, Magnus, and Michael B. Stephens. "Chapter 10 Magmatism (1.6–1.4 Ga) and Mesoproterozoic sedimentation related to intracratonic rifting coeval with distal accretionary orogenesis." Geological Society, London, Memoirs 50, no. 1 (2020): 269–88. http://dx.doi.org/10.1144/m50-2017-4.

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AbstractSeparate pulses of magmatic activity involving the emplacement of plutons with predominantly granitic or bimodal granitic and gabbroic composition, as well as dolerite dykes, occurred in a cratonic setting in eastern Sweden at c. 1.59–1.58 Ga, c. 1.53–1.50 Ga and c. 1.47–1.44 Ga; anorthosite, monzodiorite and syenitoid rocks are locally present. Most of the granites have been compared with rapakivi granites in Finland and elsewhere. Isotopic data (Hf in zircons and ɛNd values) from the plutons in north-central Sweden show contamination by an Archean source. Siliciclastic rocks dominate

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De Souza, Stéphane, Benoît Dubé, Patrick Mercier-Langevin, Vicki McNicoll, Céline Dupuis, and Ingrid Kjarsgaard. "Hydrothermal Alteration Mineralogy and Geochemistry of the Archean World-Class Canadian Malartic Disseminated-Stockwork Gold Deposit, Southern Abitibi Greenstone Belt, Quebec, Canada." Economic Geology 114, no. 6 (2019): 1057–94. http://dx.doi.org/10.5382/econgeo.4674.

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Abstract The Canadian Malartic stockwork-disseminated gold deposit is an Archean world-class deposit located in the southern Abitibi greenstone belt. It contains over 332.8 tonnes (t; 10.7 Moz) of Au at a grade of 0.97 ppm, in addition to 160 t (5.14 Moz) of past production (1935–1981). Although the deposit is partly situated within the Larder Lake-Cadillac fault zone, most of the ore occurs up to ~1.5 km to the south of the fault zone. The main hosts of the mineralized zones are greenschist facies turbiditic graywacke and mudstone of the Pontiac Group (~2685–2682 Ma) and predominantly subalka

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Tsutsumi, Akito, and Toshihiko Shimamoto. "Dynamic evolution of deformation microstructures in rocks. Microstructures and rheology in fault rocks. Frictional properties of monzodiorite and gabbro during seismogenic fault motion." Journal of the Geological Society of Japan 102, no. 3 (1996): 240–48. http://dx.doi.org/10.5575/geosoc.102.240.

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AUDETAT, A. "Magmatic anhydrite and calcite in the ore-forming quartz-monzodiorite magma at Santa Rita, New Mexico (USA): genetic constraints on porphyry-Cu mineralization." Lithos 72, no. 3-4 (2004): 147–61. http://dx.doi.org/10.1016/j.lithos.2003.10.003.

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Çolakoğlu, Ali Riza, and Greg B. Arehart. "The petrogenesis of Sarıçimen (Çaldıran-Van) quartz monzodiorite: Implication for initiation of magmatism (Late Medial Miocene) in the east Anatolian collision zone, Turkey." Lithos 119, no. 3-4 (2010): 607–20. http://dx.doi.org/10.1016/j.lithos.2010.08.014.

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Smirnov, Yu V., A. A. Sorokin, A. B. Kotov, E. B. Sal’nikova, S. Z. Yakovleva, and B. M. Gorokhovsky. "Early Paleozoic monzodiorite–granodiorite association in the northeastern flank of the South Mongolia–Khingan orogenic belt (Nora–Sukhotinsky Terrane): Age and tectonic setting." Russian Journal of Pacific Geology 10, no. 2 (2016): 123–31. http://dx.doi.org/10.1134/s1819714016020068.

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Fagan, Timothy J., Daiju Kashima, Yuki Wakabayashi, and Akiko Suginohara. "Case study of magmatic differentiation trends on the Moon based on lunar meteorite Northwest Africa 773 and comparison with Apollo 15 quartz monzodiorite." Geochimica et Cosmochimica Acta 133 (May 2014): 97–127. http://dx.doi.org/10.1016/j.gca.2014.02.025.

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