Epithermal deposit | geology | Britannica
WebIn mineral deposit: Veins. …are commonly referred to as epithermal, a term retained from an old system of classifying hydrothermal deposits based on the presumed temperature and depth of deposition. Epithermal veins tend not to have great vertical continuity, but many are exceedingly rich and deserving of the term bonanza.
Epithermal - Mining Geology Group
Web5 days ago · Epithermal deposits are important sources of gold and silver, representing about 30% of total gold metal production per year. There are two principal styles of epithermal mineralization: low sulphidation (LS) and high sulphidation (HS) epithermal deposits with an intermediate category sometimes recognized.
Epithermal Deposit - an overview | ScienceDirect Topics
WebEpithermal deposits are common in intracaldera settings directly above magmatic sources of heat and fluids. Very thick ignimbrite, felsic lavas and domes, and/or volcanogenic sedimentary facies may be the immediate host rocks …
Hydrothermal mineral deposit - Wikipedia
WebHydrothermal mineral deposits are accumulations of valuable minerals which formed from hot waters circulating in Earth's crust through fractures. They eventually produce metallic -rich fluids concentrated in a selected volume of rock, which become supersaturated and then precipitate ore minerals.
(PDF) Epithermal ore deposits: First-order features relevant to ...
WebAug 21, 2017 · Epithermal ore deposits: First-order features relevant to exploration and assessment. August 2017. Conference: Mineral Resources to Discovery - 14th SGA Biennial Meeting 2017. At: Quebec City....
Mineral deposit - Hydrothermal, Solutions, Ore | Britannica
WebHydrothermal deposits formed at shallow depths below a boiling hot spring system are commonly referred to as epithermal, a term retained from an old system of classifying hydrothermal deposits based on the presumed temperature and depth of deposition.
Geology and Geochemistry of Epithermal Systems
WebGeology and Geochemistry of Epithermal Systems. Author (s) B. R. Berger; P. M. Bethke. Society of Economic Geologists. Volume. 2. DOI: https://doi.org/10.5382/Rev.02. ISBN electronic: 9781629490090. ISBN print: 0961307412. Publication date: January 01, 1985. In the context of exploration for epithermal deposits, why study geothermal systems at all?
Geology and Geochemistry of Epithermal Systems
WebThe Geothermal Framework of Epithermal Deposits. Author (s) R. W. Henley. Doi: https://doi.org/10.5382/Rev.02.01. Published: January 01, 1985. Cite. Share. Permissions. Abstract. In the context of exploration for epithermal deposits, …
Geological Characteristics of Epithermal Precious and Base …
WebJanuary 01, 2005. Cite. Share. Permissions. Abstract. Epithermal deposits are important sources of gold and silver that form at <1.5-km depth and <300°C in high-temperature, mainly subaerial hydrothermal systems.
Minerals | Special Issue : Epithermal Deposits: Origin of Fluids
WebDec 31, 2023 · Epithermal, from the Greek meaning nearby heat, are a class of mineral deposits whose exploited resources are gold, silver, mercury, and base-metals.
Skip to content