Academic literature on the topic 'Advanced argillic alteration'

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Journal articles on the topic "Advanced argillic alteration"

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Ali, Rinal Khaidar, Tri Winarno, and Muhammad Ainurrofiq Jamalulail. "Karakteristik Alterasi dan Mineralisasi Tipe Epitermal Daerah Gunung Budheg dan Sekitarnya, Tulungagung, Jawa Timur." EKSPLORIUM 41, no. 1 (2020): 1. http://dx.doi.org/10.17146/eksplorium.2020.41.1.5676.

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ABSTRAK Penemuan bongkah-bongkah vuggy quartz di sekitar Desa Pojok, daerah Gunung Budheg, Tulungagung, Jawa Timur, mengindikasikan adanya proses endapan mineral di daerah tersebut. Tujuan penelitian ini adalah untuk membahas lebih detail karakteristik alterasi dan mineralisasi serta tipe endapan mineral di daerah penelitian. Metode penelitian berupa pengamatan lapangan dilengkapi dengan analisis laboratorium petrografi, X-ray Difraction (XRD) dan mineragrafi. Satuan batuan di daerah penelitian tersusun atas enam satuan litologi yaitu satuan intrusi dasit, satuan lava andesit, satuan breksi an
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Mavrogonatos, Constantinos, Panagiotis Voudouris, Paul G. Spry, et al. "Mineralogical Study of the Advanced Argillic Alteration Zone at the Konos Hill Mo–Cu–Re–Au Porphyry Prospect, NE Greece." Minerals 8, no. 11 (2018): 479. http://dx.doi.org/10.3390/min8110479.

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The Konos Hill prospect in NE Greece represents a telescoped Mo–Cu–Re–Au porphyry occurrence overprinted by deep-level high-sulfidation mineralization. Porphyry-style mineralization is exposed in the deeper parts of the system and comprises quartz stockwork veins hosted in subvolcanic intrusions of granodioritic composition. Ore minerals include pyrite, molybdenite, chalcopyrite, and rheniite. In the upper part of the system, intense hydrothermal alteration resulted in the formation of a silicified zone and the development of various advanced argillic alteration assemblages, which are spatiall
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Kilias, S. P., J. Naden, M. Paktsevanoglou, et al. "Multistage alteration, mineralization and ore–forming fluid properties at the Viper (Sappes) Au–Cu–Ag–Te ore body, W. Thrace, Greece." Bulletin of the Geological Society of Greece 47, no. 4 (2016): 1635. http://dx.doi.org/10.12681/bgsg.11007.

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The mineralogy of ore and hydrothermal alteration of the high-sulfidation enargite–Au–Ag–Te Viper (Thrace) orebody, and fluid inclusions, were studied in drillcore samples. The hydrothermal system has evolved through several stages from pre-ore advanced argillic I+vuggy silica alteration, ore-stage advanced argillic II+vuggy silica alteration and silicification that has developed to argillic alteration (sericite)+silicification through pH increase, and a return to acid conditions as crosscutting post-ore advanced argillic alteration III+silicification. Ore is characterized by early barren pyri
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Faesal, Andi, Arifudin Idrus, and Djoko Wintolo. "PROMINE." PROMINE 5, no. 2 (2017): 48–53. http://dx.doi.org/10.33019/promine.v5i2.918.

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The research sites are located in the village of Berambang, Sekotong District, West Lombok Regency,West Nusa Tenggara Province. This area was dominated by volcanic rocks composed of dasiticvolcanic rock, diatrema breccia, and diorite intrusion. Berambang area shows alteration in the form ofpotassic, propylitic, advanced argillic, and argillic alterations where in some places accompanied bypyritisation and stockwork structure, the type of mineralization in this area is a porphyry copper-goldtype. In the potasic alteration zone there are minerals that have a strong anomaly response to themagneti
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WILLAN, ROBERT C. R., and DEBBIE C. ARMSTRONG. "Successive geothermal, volcanic-hydrothermal and contact-metasomatic events in Cenozoic volcanic-arc basalts, South Shetland Islands, Antarctica." Geological Magazine 139, no. 2 (2002): 209–31. http://dx.doi.org/10.1017/s0016756802006301.

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Hydrothermal alteration in volcanic arcs occurs in many settings and may involve magmatic, marine, lacustrine or groundwaters, driven by magmatic, tectonic or thermal events. King George Island, part of the South Shetland Island Cenozoic volcanic arc, contains an 80 km long zone of propylitized volcanic rocks, with numerous occurrences of quartz veining, silicic, sericitic, argillic and advanced-argillic alteration. On Barton Peninsula, a basaltic lava sequence (49–44 Ma) intruded by a small, high-level granodiorite pluton (∼42 Ma), contains these alteration types, previously interpreted as a
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Armstrong, Debbie C. "Acid sulphate alteration in a magmatic hydrothermal environment, Barton Peninsula, King George Island, Antarctica." Mineralogical Magazine 59, no. 396 (1995): 429–41. http://dx.doi.org/10.1180/minmag.1995.059.396.05.

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AbstractVolcanic-hosted advanced argillic alteration on Barton Peninsula comprises an assemblage of chalcedonic silica, alunite family minerals, pyrophyllite, pyrite, native sulphur, zunyite and rutile, characteristic of an acid sulphate-type epithermal system. The minerals minamiite, (Na0.36Ca0.27K0.1□0.27)Al3(SO4)2(OH)6, and zunyite, Al13Si5O20(OH,F)18Cl, are reported at this locality, and in Antarctica, for the first time. The WNW-striking, 1 km-long zone of alteration is hosted by early Tertiary andesitic rocks and contained in a 1.5 km-wide depression, rimmed by an arcuate ridge, probably
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Μιχαήλ, Κ., and Μ. Δημήτρουλα. "HYDROTHERMAL ALTERATION AND MINERALIZATION OF THE PETROTA EPITHERMAL SYSTEMS (W.THRACE, GREECE)." Bulletin of the Geological Society of Greece 36, no. 1 (2004): 369. http://dx.doi.org/10.12681/bgsg.16687.

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At the Petrota graben important epithermal zones are developed. On the basis of the mineral assemblages of alteration zones and the type of the host rocks, the epithermal zones can be grouped into three epithermal systems: 1. Perama epithermal system 2. Mavrokoryfi epithermal system and 3. Othondoto epithermal system Hydrothermal alteration zones are developed within volcanoclastic rocks - epiclastic sandstones, andésite tuffs (Perama epithermal system), hyaloclastites (Mavrokoryfi) and rhyolitic rocks (Othondoto). Silicification (in various types) and advanced argillic alteration are the most
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Noori, Lida, Amin Pour, Ghasem Askari, et al. "Comparison of Different Algorithms to Map Hydrothermal Alteration Zones Using ASTER Remote Sensing Data for Polymetallic Vein-Type Ore Exploration: Toroud–Chahshirin Magmatic Belt (TCMB), North Iran." Remote Sensing 11, no. 5 (2019): 495. http://dx.doi.org/10.3390/rs11050495.

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Polymetallic vein-type ores are important sources of precious metal and a principal type of orebody for various base-metals. In this research, Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) remote sensing data were used for mapping hydrothermal alteration zones associated with epithermal polymetallic vein-type mineralization in the Toroud–Chahshirin Magmatic Belt (TCMB), North of Iran. The TCMB is the largest known goldfield and base metals province in the central-north of Iran. Propylitic, phyllic, argillic, and advanced argillic alteration and silicification zones are
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Swayze, G. A., R. N. Clark, A. F. H. Goetz, et al. "Mapping Advanced Argillic Alteration at Cuprite, Nevada, Using Imaging Spectroscopy." Economic Geology 109, no. 5 (2014): 1179–221. http://dx.doi.org/10.2113/econgeo.109.5.1179.

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Idrus, Arifudin, Aji Syailendra Ubaidillah, I. Wayan Warmada, and Syafruddin Maula. "Geology, Rock Geochemistry and Ore Fluid Characteristics of the Brambang Copper-Gold Porphyry Prospect, Lombok Island, Indonesia." Journal of Geoscience, Engineering, Environment, and Technology 6, no. 1 (2021): 67–73. http://dx.doi.org/10.25299/jgeet.2021.6.1.6145.

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Brambang is one of the porphyry copper-gold prospects/deposits situated along eastern Sunda arc. This study is aimed to understand geological framework, alteration geochemistry and ore fluid characteristics of the prospect. Fieldworks and various laboratory analyses were performed including petrography, ore microscopy, rock geochemistry, chlorite chemistry and fluid inclusion microthermometry. The prospect is composed of andesitic tuff and diorite which are intruded by tonalite porphyries. Tonalite porphyries are interpreted as ore mineralisation-bearing intrusion. Various hydrothermal alterat
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Dissertations / Theses on the topic "Advanced argillic alteration"

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Kreiner, Douglas Cory. "Epithermal Style Iron Oxide(-Cu-Au) (=IOCG) Vein Systems and Related Alteration." Diss., The University of Arizona, 2011. http://hdl.handle.net/10150/203504.

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The Copiapó region in northern Chile contains numerous intrusion- and volcanichosted IOCG vein systems. These veins share many features with larger IOCG systems in the region (e.g., Candelaria, Punta del Cobre), including abundant hydrothermal magnetite or hematite ± Cu, Au, REE, and other elements, and exhibit similar styles of mineralization including voluminous breccias, stockwork, and massive veins. The relatively simple geometries and small size of veins offer advantages for study of zoning and genesis in an IOCG system; and, they also provide an interesting counterpoint to classic epithe
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Lipske, Joanna L. "Advanced argillic and sericitic alteration in the Buckskin Range, Nevada : a product of ascending magmatic fluids from the deeper yerington porphyry copper environment." Thesis, 2002. http://hdl.handle.net/1957/9065.

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Book chapters on the topic "Advanced argillic alteration"

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Lerouge, C., L. Bailly, E. Béchu, et al. "Age and origin of advanced argillic alteration at the Bor Cu-Au deposit, Serbia." In Mineral Deposit Research: Meeting the Global Challenge. Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/3-540-27946-6_139.

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"Geology, Geochemistry, and Formation of Au-(Cu) Mineralization and Advanced Argillic Alteration in the Mulatos District, Sonora, Mexico." In New Mines and Discoveries in Mexico and Central America. Society of Economic Geologists, 2001. http://dx.doi.org/10.5382/sp.08.13.

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Reports on the topic "Advanced argillic alteration"

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Chapter C: Hydrothermal Enrichment of Gallium in Zones of Advanced Argillic Alteration-Examples from the Paradise Peak and McDermitt Ore Deposits, Nevada. US Geological Survey, 2003. http://dx.doi.org/10.3133/b2209c.

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