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Gold deposits of the Carlin trend [SOFTGOOD]
Gold deposits of the Carlin trend SOFTGOOD


 
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Title: Gold deposits of the Carlin trend

Author: edited by Tommy B. Thompson, Lewis Teal, and Richard O. Meeuwig
Year: 2002
Series: Bulletin 111y
Version:
Format: digital file only, 124 MB zipped; contains PDF of 204 pages and 3 large plates, plus geospatial PDF of plates 1 and 2
Scale: 1:24,000 (plate 1); 1:18,000 (plate 2); 1:24,000 and 1:18,000 (plate 3, cross sections)

The Carlin trend in northeastern Nevada forms the largest and most productive accumulation of gold deposits in North America. Teal and Jackson (1997b) reported a gold endowment that by the end of 1996 included past production, reserves, resources, and mineral inventory of over 107 million ounces (3,330 t [metric tons]). More than 40 separate deposits have been delineated since disseminated gold mineralization in carbonate host rocks was first discovered by Newmont geologists John Livermore and Alan Coope in 1961. From their original discovery, a classification for this style of gold mineralization has come to be referred to as “Carlin-type” deposits. By early 2002, more than 50 million ounces (1,560 t) of gold had been recovered on the Carlin trend from 26 separate operating or past producing mines. Open-pit mining began in 1965 at the Carlin Mine, and underground mining began in 1993 on the same deposit. The scope of this paper is to present a regional geologic setting of the Carlin trend. As part of the concluding discussion, a spectrum of Carlin trend deposit types is categorized to illustrate the relative influence of structural and stratigraphic controls on each deposit.

This publication consists of a text (204 pages) and a 1:24,000-scale geologic map of the northern Carlin trend, a 1:18,000-scale geologic map of the Maggie Creek mining district, 7 cross sections, 106 figures, and a comprehensive bibliography. This publication, written primarily by the company geologists directly involved, includes discussions of geology and history of the Carlin trend, detailed descriptions of the major gold deposits.

Plates:
Plate 1: Geology of the northern Carlin trend, by Steve Moore
Plate 2: Geology of the Maggie Creek district, by John W. Norby
Plate 3: Cross sections for plates 1 and 2, by Steve Moore and John Norby


Original Product Code: B111y

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