epithermal


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epithermal

[¦ep·ə′thər·məl]
(geology)
Pertaining to mineral veins and ore deposits formed from warm waters at shallow depth, at temperatures ranging from 50-200°C, and generally at some distance from the magmatic source.
References in periodicals archive ?
The three hole program will the western chargeable zone, which is the shallower of the two large chargeable zones identified by the survey that trend in a north northeast direction and strike parallel to the known copper-bearing epithermal veins outcropping at surface.
The largest enhancements were seen in transmission experiments with epithermal neutrons at resonances in nuclei A > 100.
The property is drill ready, although it has been explored since 2000, when a regional geochemical survey conducted by the Yukon Geological Survey identified strong, coincident gold, silver and epithermal pathfinder elements.
n] epithermal tail with the value of n depending on the moderator thickness.
Aura Gold has now entered into option agreements to acquire interests in substantial land areas in two gold-bearing greenstone belts in southern Para State, north-central Brazil, and a potential high-level epithermal gold system in southeastern Amazonas State, in northwest Brazil.
Almaden) (TSX:AMM)(AMEX:AAU) during 2001 to 2005 has identified a new district of low sulphidation epithermal gold prospects now called the Spences Bridge Gold Belt.
Exeter is a technically-advanced, Canadian gold exploration company, focused on the discovery of epithermal gold-silver properties in Argentina and Chile.
The Great Bear Magmatic Zone which includes the Contact Lake Mineral Belt, hosts 10 past producing mines that exploited high grade Uranium-Silver-Copper deposits that are best described as quartz-carbonate-hematite rich IOCG associated epithermal vein systems.
TSX VENTURE:PMM)("PMM") announces that it has secured a contract with EMM Core Drilling Services for a diamond drill rig for its Bottle Creek epithermal gold-silver project in northern Nevada.
TSX VENTURE:ARU) is pleased to announce the start of drilling at the Fruta Del Norte ("FDN") epithermal gold-silver targets.
Pasco Canyon is an epithermal gold target within an alteration zone that was initially defined from satellite imagery.
Historically a significant silver district, the Cachinal de la Sierra area is located within the Paleocene Gold Belt of northern Chile which hosts several significant gold and silver deposits, including Meridian Gold Inc's El Penon Silver-Gold Mine, a low sulphidation-style epithermal silver-gold deposit and one of the worlds lowest cost gold producers, 60km to the northeast, and Diamond Rose NL's Guanaco Gold Mine, a high sulphidation-style epithermal deposit which was mined as a heap leach operation during the early 1990's by Amax Gold Inc and later Kinross Gold Corporation,12km to the southwest (Figure 1).