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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Critically the intersections confirm the continuation of high-grade epithermal mineralization 100m along strike from drill hole ODD-001, which intersected 43.4m grading 3.89 g/t gold including 19.9m grading 7.87 g/t gold.
Known mineralization sampled to date is in epithermal style silica-carbonate veins and silicified units marginal to the veins, hosted by Paleozoic age limestones.
Raiden is planning a geochemical surface sampling and alteration mapping program over the untested epithermal gold prospect.
The La Lola project is located ten kilometres southeast of the town of Esqueda, north of Grupo Mexico's La Caridad copper mine, northeast of SilverCrest's Las Chispas deposit, and west of Oceanus Resources' El Tigre epithermal vein project.
A third hole, NADH002, confirmed the presence of epithermal alteration under unaltered cover rocks.
'The prospectivity of the Kou Sa project has been greatly enhanced by this new, large epithermal gold discovery,' he said, adding that both recent finds indicated that a larger 'significantly sized source' driving the mineralisation had yet to be found.
They cover a neoproterozoic epithermal gold deposit at the Haile gold mine in Lancaster County, the geology and geomorphology of the Carolina Sandhills in Chesterfield County, and a structural analysis of the Kiokee belt and its framing elements: a Savannah River transect.
According to a (http://www.polarstarmining.com/NewsCentre/current-news-page/news-releases-details/2013/Polar-Star-Completes-Surface-Drilling-Program/default.aspx) statement released by the company, its ChA[c]pica property hosts epithermal vein systems, where to date 4 kilometres of veins and stockwork mineralized structures have been identified within a kilometre radius of the mine.
As a part of that drilling campaign three (3) RC drill holes were completed on the Bartel Epithermal Gold Prospect which is located on EL4693 Wildhorse Plain 15km north of the township of Cleve on Eyre Peninsula, South Australia (Fig 1).
The Altan Khudag target (Northeastern area of the license 13602X) is highly prospective for polymetaliic epithermal Ag, Au, Pb, Cu mineralization.
"Our drill program at Riscos de Oro has confirmed and expanded high grade gold and silver low sulphidation epithermal mineralization to a depth of 200 meter below historic open pit and underground workings.