Ore Deposits of the Silver Peak Quadrangle, Nevada (Classic Reprint) PDF Download
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Author: Josiah Edward Spurr
Publisher: Forgotten Books
ISBN: 9781528269742
Category : Science
Languages : en
Pages : 220
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Book Description
Excerpt from Ore Deposits of the Silver Peak Quadrangle, Nevada A special type Of auriferous deposits in the Mineral Ridge district is represented by the Great Gulch mine. This is a deposit of auriferous arsenopyrite, which is believed to be similar in age and origin to the subsequent ores of the previously described gold mines. On the margins of the auriferous quartz district Of Mineral Ridge are a number of mines and prospects containing more silver than gold. The general geology is like that Of the gold-bearing ores. Alaskite and quartz lenses are intrusive into metamorphosed sediments and are accompanied by greenstone dikes. The ore, how ever, is subsequent and has formed along cracks in the primary quartz. The whole history indicated is analogous to those auriferous quartz mines of the Mineral Ridge district which show notable subsequent mineralization, although the char acter of the ore in the silver mines is somewhat different, in that more silver and copper in proportion to the gold are present. Another type of silver-bearing veins has a gangue of contemporaneous quartz, and has formed by replacement of dolomite near the edge of the auriferous quartz district. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Josiah Edward Spurr
Publisher: Forgotten Books
ISBN: 9781528269742
Category : Science
Languages : en
Pages : 220
Get Book Here
Book Description
Excerpt from Ore Deposits of the Silver Peak Quadrangle, Nevada A special type Of auriferous deposits in the Mineral Ridge district is represented by the Great Gulch mine. This is a deposit of auriferous arsenopyrite, which is believed to be similar in age and origin to the subsequent ores of the previously described gold mines. On the margins of the auriferous quartz district Of Mineral Ridge are a number of mines and prospects containing more silver than gold. The general geology is like that Of the gold-bearing ores. Alaskite and quartz lenses are intrusive into metamorphosed sediments and are accompanied by greenstone dikes. The ore, how ever, is subsequent and has formed along cracks in the primary quartz. The whole history indicated is analogous to those auriferous quartz mines of the Mineral Ridge district which show notable subsequent mineralization, although the char acter of the ore in the silver mines is somewhat different, in that more silver and copper in proportion to the gold are present. Another type of silver-bearing veins has a gangue of contemporaneous quartz, and has formed by replacement of dolomite near the edge of the auriferous quartz district. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Josiah Edward Spurr
Publisher:
ISBN:
Category : Ores
Languages : en
Pages : 174
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Book Description
Author: Josiah Edward Spurr
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 244
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Book Description
Author: JOSIAH EDWARD. SPURR
Publisher:
ISBN: 9781033195239
Category :
Languages : en
Pages : 0
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Book Description
Author: Josiah Edward Spurr
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Josiah Edward Spurr
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: Josiah Edward Spurr
Publisher:
ISBN:
Category : Mines and mineral resources
Languages : en
Pages : 1906
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Book Description
Author: Ralph J. Roberts
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: S. H. Ball
Publisher:
ISBN: 9781614740414
Category : Technology & Engineering
Languages : en
Pages : 224
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Book Description
Mines of Southwestern Nevada - This book covers the mines of the Silver Peak Range, Kawich Range and other Southern Nevada Districts such as Lida-Goldfield Valley, Pahute Mesa, Cactus Range, Reveille Range, Belted Range, Tolicha Peak, Amargosa Mtns., Gold Mountain, Death Valley and the Panamint Range. The book includes Topography, Geology, Ore Deposits, Mining Development and Maps. Book is a Reprint of the 1907 USGS Bulletin 308 entitled "A Geologic Reconnaissance in Southwestern Nevada and Eastern California" covering Esmeralda and Nye Counties in Nevada and Inyo County, California. 218 Pages. Reprinted in conjunction with Nevada Publications by Miningbooks.com
Author: Joseph Story Curtis
Publisher: Forgotten Books
ISBN: 9780265774755
Category : Science
Languages : en
Pages : 282
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Book Description
Excerpt from Silver-Lead Deposits of Eureka Nevada The process of determining the presence of an ore body by means of exact assays of the surrounding limestone has as yet led to no practical application, although the results obtained by this method of prospecting coincide in a remarkable manner With the electrical experiments made by Dr. Barns with a view to the same object. The methods used in assaying are fully explained in the chapter on that subject. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
