Epithermal gold mineralization in an old volcanic arc; the
1999年7月1日 Epithermal gold mineralization in an old volcanic arc; the Jacinto Deposit, Camagueey District, Cuba Grigore Simon; Grigore Simon ... The Jacinto vein system in the Camaguey district of central Cuba is a low-sulfidation, adularia-sericite epithermal gold
Charlar en LíneaTiming and ore genesis of the Ciweigou low-sulfidation
2022年10月1日 The timing of Ciweigou LS epithermal gold mineralization is 105–100 Ma. • Five mineralization stages are distinguished, Au-bearing minerals deposited in stages II
Charlar en LíneaEpithermal gold mineralization in Cretaceous volcanic belt,
2020年3月1日 Robust geochronological studies suggest that Mesozoic epithermal gold mineralization is represented by the Southeastern China Fold Belt (SCFB) (Zhong et al.,
Charlar en LíneaEarly Cretaceous bimodal magmatism related epithermal
2020年6月1日 Therefore, it is assumed that the essential constraints of bimodal magmatism on epithermal gold mineralization are sequential processes from ascending
Charlar en LíneaColloidal transport and flocculation are the cause of the
2021年5月11日 Measurements of gold concentrations in the fluids responsible for epithermal mineralization and in geothermal fluids, which are considered to be analogs of
Charlar en LíneaCharacteristics and Genesis of Epithermal Gold Deposits
2000年1月1日 THIS Gold in 2000volume is organized around a classification of hypogene gold deposits that emphasizes their tectonic setting and relative time of formation
Charlar en LíneaEpithermal Gold for Explorationists Australian
This paper is a work in progress based upon my experiences in the exploration for, and evaluation of, magmatic arc epithermal gold and porphyry copper-gold deposits (Figure 1). It therefore draws upon, and
Charlar en LíneaUntitled [pangea.stanford]
2001年8月31日 Epithermal gold mineralization in an old volcanic arc: The Jacinto Deposit, Camagüey District, Cuba Grigore Simon, Stephen E. Kesler, Norman Russell, Chris M.
Charlar en LíneaDistrict-Scale VMS to Porphyry-Epithermal Transitions
Porphyry and epithermal mineralization along the Hod gold corridor peaked in the Early (~113 Ma; Berta prospect) and Late Cretaceous (~86.5-82 Ma; e.g., Taç and Çorak
Charlar en LíneaEpithermal gold mineralisation in the active Aegean
The Profitis Ilias gold deposit, located on the western part of Milos Island, Greece, is the first epithermal gold deposit discovered in the Pliocene–Pleistocene Aegean volcanic arc.
Charlar en LíneaTiming and ore genesis of the Ciweigou low-sulfidation
2022年10月1日 The timing of Ciweigou LS epithermal gold mineralization is 105–100 Ma. • Five mineralization stages are distinguished, Au-bearing minerals deposited in stages II and III. • The ore-forming fluids originated from mixed fluids driven by the andesitic magmatic fluids. • The precipitation mechanisms are major fluid boiling and minor mixing.
Charlar en LíneaEpithermal gold mineralization in Cretaceous volcanic belt,
2020年3月1日 Robust geochronological studies suggest that Mesozoic epithermal gold mineralization is represented by the Southeastern China Fold Belt (SCFB) (Zhong et al., 2017b and references therein).Over twenty-two epithermal gold deposits have been currently explored (Fig. 1), possessing a total resource of ca. 480 t Au (Zhong et al.,
Charlar en LíneaColloidal transport and flocculation are the cause of the
2021年5月11日 Measurements of gold concentrations in the fluids responsible for epithermal mineralization and in geothermal fluids, which are considered to be analogs of epithermal ore fluids, are on the order of 10 to 30 parts per billion (ppb) ().Moreover, similar concentrations have been calculated for fluids of appropriate composition from the
Charlar en LíneaLow-sulfidation epithermal gold deposits in Java,
2020年6月1日 The Oligocene-Lower Miocene magmatic arc mainly cropped out in the southern parts of Java and famously known as the Old Andesite Formation (Van Bemmelen, 1949), ... The presence of Petungkriyono’s LS epithermal gold mineralization, in term of the volcano-tectonic setting is still an enigma. It is because Petungkriyono is situated in the
Charlar en LíneaThe 40Ar/39Ar dating of quartz: new insights into the
2018年9月17日 The giant Jinchang gold deposit (>2.57 Moz Au) is located in the northeastern part of the Yanbian-Dongning gold mineralization belt, which is well-endowed with epithermal and porphyry gold ...
Charlar en LíneaThe Age and Tectonic Position of Epithermal Gold
2022年4月14日 Abstract This paper reports on some aspects of the genesis of industrially important Paleozoic epithermal gold deposits of the Omolon Massif. The Ar–Ar dating of the ores showed that the age of these deposits is 20–30 Ma younger than that of the volcanic complexes of the Devonian Kedon Group, with which this mineralization has been
Charlar en LíneaFormation - exhumation history of the Carboniferous Axi
2023年5月17日 Pyrite Re-Os data and textural evidence reveal two mineralization events at 355 and 332 Ma. Zircon (U-Th)/He data reveal temperatures of ∼180 °C until 317.8 ± 9.8 Ma, which is interpreted to record the timing of exhumation of the andesite and gold orebodies prior to their burial by Carboniferous aged sediments.
Charlar en LíneaNorman RUSSELL Research profile
Epithermal gold mineralization in an old volcanic arc; the Jacinto Deposit, Camagueey District, Cuba. Article. Jul 1999; Grigore Simon; Stephen E. Kesler;
Charlar en LíneaDistrict-Scale VMS to Porphyry-Epithermal Transitions
Porphyry and epithermal mineralization along the Hod gold corridor peaked in the Early (~113 Ma; Berta prospect) and Late Cretaceous (~86.5-82 Ma; e.g., Taç and Çorak deposits) and Eocene (~50 Ma; e.g., Ardala deposit), whereas VMS bimodal-felsic mineralization only formed in the Late Cretaceous (~91–85 Ma). Therefore, we interpret
Charlar en LíneaEpithermal gold mineralisation in the active Aegean
The Profitis Ilias gold deposit, located on the western part of Milos Island, Greece, is the first epithermal gold deposit discovered in the Pliocene–Pleistocene Aegean volcanic arc. Estimated ore reserves are 5 million tonnes grading 4.4 g/tonne Au and 43 g/tonne Ag. The deposit is closely associated with a horst and graben structure, and occurs in a series of
Charlar en LíneaEpithermal gold mineralization in Cretaceous volcanic belt,
2020年3月1日 Robust geochronological studies suggest that Mesozoic epithermal gold mineralization is represented by the Southeastern China Fold Belt (SCFB) (Zhong et al., 2017b and references therein).Over twenty-two epithermal gold deposits have been currently explored (Fig. 1), possessing a total resource of ca. 480 t Au (Zhong et al.,
Charlar en LíneaLow-sulfidation epithermal gold deposits in Java,
2020年6月1日 The Oligocene-Lower Miocene magmatic arc mainly cropped out in the southern parts of Java and famously known as the Old Andesite Formation (Van Bemmelen, 1949), ... The presence of Petungkriyono’s LS epithermal gold mineralization, in term of the volcano-tectonic setting is still an enigma. It is because Petungkriyono is situated in the
Charlar en LíneaMinerals Free Full-Text Gold in Paleoproterozoic (2.1 to
2021年7月1日 The discovery of a well-preserved high-sulfidation epithermal gold mineralization associated with 1.88 Ga calc-alkaline volcanic rocks by Rio Tinto company [12,13,14,15,16] and porphyry-like gold systems [17,18,19,20] opened the possibility for the occurrence of large Paleoproterozoic gold and Cu–Mo deposits in both provinces, as
Charlar en LíneaThe Age and Tectonic Position of Epithermal Gold
2022年4月14日 Abstract This paper reports on some aspects of the genesis of industrially important Paleozoic epithermal gold deposits of the Omolon Massif. The Ar–Ar dating of the ores showed that the age of these deposits is 20–30 Ma younger than that of the volcanic complexes of the Devonian Kedon Group, with which this mineralization has been
Charlar en LíneaFormation - exhumation history of the Carboniferous Axi
2023年5月17日 Pyrite Re-Os data and textural evidence reveal two mineralization events at 355 and 332 Ma. Zircon (U-Th)/He data reveal temperatures of ∼180 °C until 317.8 ± 9.8 Ma, which is interpreted to record the timing of exhumation of the andesite and gold orebodies prior to their burial by Carboniferous aged sediments.
Charlar en LíneaDistrict-Scale VMS to Porphyry-Epithermal Transitions
Porphyry and epithermal mineralization along the Hod gold corridor peaked in the Early (~113 Ma; Berta prospect) and Late Cretaceous (~86.5-82 Ma; e.g., Taç and Çorak deposits) and Eocene (~50 Ma; e.g., Ardala deposit), whereas VMS bimodal-felsic mineralization only formed in the Late Cretaceous (~91–85 Ma). Therefore, we interpret
Charlar en LíneaEpithermal gold mineralisation in the active Aegean
The Profitis Ilias gold deposit, located on the western part of Milos Island, Greece, is the first epithermal gold deposit discovered in the Pliocene–Pleistocene Aegean volcanic arc. Estimated ore reserves are 5 million tonnes grading 4.4 g/tonne Au and 43 g/tonne Ag. The deposit is closely associated with a horst and graben structure, and occurs in a series of
Charlar en LíneaResistivity results over the Romero intermediate
2022年2月16日 The Romero gold mineralization with copper, silver and zinc is intermediate sulphidation epithermal in style . The source of the mineralizing fluids remains unknown and there is exploration potential for the discovery of mineralization in structuralfeeder zones or, possibly, in a porphyry copper-gold type system .
Charlar en LíneaA Low‐Sulfidation Epithermal Mineralization in the River
2019年6月21日 The low-sulfidation epithermal deposit in the River Reef Zone, the Poboya Prospect, illustrates the potential of the West Sulawesi Arc, particularly along the Palu-Koro Fault Zone, to host epithermal gold mineralization. Volume 69, Issue 4. October 2019. Pages 385-401. Related; Information; Close Figure Viewer. ... Old Password. New Password ...
Charlar en Línea