Fluid and metal sources in the Fäboliden hypozonal orogenic gold deposit, Sweden
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DOI: 10.1007/s00126-020-00977-7
Abstract: To model the formation of orogenic gold deposits, in a global perspective, it is important to understand the ore-forming conditions not only for deposits hosted in greenschist facies rocks but also in amphibolite facies. The… read more here.
Keywords: deposit; boliden hypozonal; fluid; gold ... See more keywords
The Mustajärvi orogenic gold occurrence, Central Lapland Greenstone Belt, Finland: a telluride-dominant mineral system
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DOI: 10.1007/s00126-020-00990-w
Abstract: The Mustajärvi gold occurrence lies in the southern part of the Paleoproterozoic Central Lapland Greenstone Belt, in proximity to the first-order transcrustal Venejoki thrust fault system. The gold occurrence is structurally controlled by the second-order… read more here.
Keywords: mustaj rvi; gold occurrence; gold; orogenic gold ... See more keywords
Bulk microanalysis of assemblages of small fluid inclusions by LA-ICP-MS: Methodology and application to orogenic gold systems
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DOI: 10.1016/j.chemgeo.2019.119326
Abstract: Abstract Microanalysis of individual fluid inclusions by laser ablation inductively coupled mass spectrometry (LA-ICP-MS) is a powerful tool for reconstructing the composition of hydrothermal fluids, but it demands a sample quality that is unattainable in… read more here.
Keywords: fluid inclusions; methodology; microanalysis; orogenic gold ... See more keywords
Nature and source of the ore-forming fluids associated with orogenic gold deposits in the Dharwar Craton
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DOI: 10.1016/j.gsf.2017.09.005
Abstract: Abstract Neoarchean orogenic gold deposits, associated with the greenstone-granite milieus in the Dharwar Craton include (1) the famous Kolar mine and the world class Hutti deposit; (2) small mines at Hira-Buddini, Uti, Ajjanahalli, and Guddadarangavanahalli;… read more here.
Keywords: source; geochemistry; gold; orogenic gold ... See more keywords
Age and metal source of orogenic gold deposits in Southeast Guizhou Province, China: Constraints from Re–Os and He–Ar isotopic evidence
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DOI: 10.1016/j.gsf.2018.05.012
Abstract: Abstract The orogenic gold deposits in Southeast Guizhou are an important component of the Xuefeng polymetallic ore belt and have significant exploration potential, but geochronology research on these gold deposits is scarce. Therefore, the ore… read more here.
Keywords: gold deposits; southeast guizhou; deposits southeast; age ... See more keywords
Multistage processes linked to tectonic transition in the genesis of orogenic gold deposit: A case study from the Shanggong lode deposit, East Qinling, China
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DOI: 10.1016/j.oregeorev.2019.102998
Abstract: Abstract The Shanggong lode deposit represents one of the largest Mesozoic orogenic gold deposits in the East Qinling metallogenic belt of central China. Here we investigate the texture, trace element and sulfur isotopic composition of… read more here.
Keywords: lode deposit; stage; deposit; orogenic gold ... See more keywords
Fluid volatile composition associated with orogenic gold mineralization, Otago Schist, New Zealand: Implications of H2 and C2H6 for fluid evolution and gold source
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DOI: 10.1016/j.oregeorev.2021.104086
Abstract: Abstract We provide the first large-scale investigation of gold mineralizing fluids from 19 gold deposits distributed in the Mesozoic Otago Schist belt endowed with approximately 580 tonnes of gold (past production and resources). Fluid inclusions… read more here.
Keywords: fluid volatile; composition associated; otago schist; volatile composition ... See more keywords
Geochronological constrains on the timing of magmatism, deformation and mineralization at the Karouni orogenic gold deposit: Guyana, South America
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DOI: 10.1016/j.precamres.2019.04.015
Abstract: Abstract The Karouni deposit is located in central Guyana 35 km to the W of the former producing 5 Moz Omai mine and is interpreted to be an orogenic gold deposit. It is hosted in Rhyacian… read more here.
Keywords: geochronology; mineralization; magmatism; deposit ... See more keywords
Lithosphere architecture characterized by crust–mantle decoupling controls the formation of orogenic gold deposits
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DOI: 10.1093/nsr/nwac257
Abstract: ABSTRACT This study, via combined analysis of geophysical and geochemical data, reveals a lithospheric architecture characterized by crust–mantle decoupling and vertical heat-flow conduits that control orogenic gold mineralization in the Ailaoshan gold belt on the… read more here.
Keywords: orogenic gold; crust mantle; mantle decoupling; gold ... See more keywords
Atmospheric sulfur in the orogenic gold deposits of the Archean Yilgarn Craton, Australia
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DOI: 10.1130/g39018.1
Abstract: The origin of sulfur and gold in Archean orogenic gold systems should provide significant insights into the dynamics of fluid movement in the crust of the early Earth, but is poorly constrained and highly debated.… read more here.
Keywords: yilgarn craton; gold deposits; gold; orogenic gold ... See more keywords
Controls on the Distribution of Invisible and Visible Gold in the Orogenic Gold Deposits of the Yangshan Gold Belt, West Qinling Orogen, China
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DOI: 10.3390/min9020092
Abstract: Six orogenic gold deposits constitute the Yangshan gold belt in the West Qinling Orogen. Gold is mostly invisible in solid solution or in the sulfide lattice, with minor visible gold associated with stibnite and in… read more here.
Keywords: yangshan gold; gold deposits; gold belt; orogenic gold ... See more keywords