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Arizona Gold Placers

Arizona Gold Placers
Author: Arizona Bureau Mines
Publisher: Createspace Independent Publishing Platform
Total Pages: 92
Release: 2016-05-25
Genre:
ISBN: 9781533457325

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Leading mining historian Kerby Jackson introduces us to a classic mining publication on the Gold Mining Industry in Arizona. Written in 1927, this hard to find publication includes valuable insights into the gold placer deposits of Arizona. Highlighted here are the details you need to find placer gold in Arizona, including the location of Arizona placer gold mines. Note: This edition is a perfect facsimile of the original edition and is not set in a modern typeface. As such, some type characters and images might suffer from slight imperfections or minor shadows in the page background.


Placer Gold Deposits of Arizona

Placer Gold Deposits of Arizona
Author: Maureen G. Johnson
Publisher:
Total Pages: 336
Release: 1972
Genre: Geology
ISBN:

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A catalog of location, geologogy and production with lists of annotated references pertaining to the placer districts.


Arizona Gold Placers and Placering

Arizona Gold Placers and Placering
Author: Eldred D. Wilson
Publisher:
Total Pages: 156
Release: 2011-10-01
Genre: Technology & Engineering
ISBN: 9781614740032

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Arizona Gold Placers and Placering was published by the Arizona Bureau of Mines in conjunction with University of Arizona as Bulletin 118 in 1922 and eventually became what it is today as bulletin 142 in 1937 fourth revised edition. This book covers all of the known Placers in Arizona by county. Additional information on the placers, their formation, History, Geology, production and locations are included. In addition, best types of recovery for these placers are discussed.


Arizona Gold Placers and Placering

Arizona Gold Placers and Placering
Author: University of Arizona. State Bureau of Mines
Publisher:
Total Pages: 162
Release: 1933
Genre: Gold mines and mining
ISBN:

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Placer Gold Deposits of Arizona (Classic Reprint)

Placer Gold Deposits of Arizona (Classic Reprint)
Author: Maureen G. Johnson
Publisher: Forgotten Books
Total Pages: 116
Release: 2017-10-28
Genre: Science
ISBN: 9780266906537

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Excerpt from Placer Gold Deposits of Arizona Eighty-seven placer districts in Arizona are estimated to have produced a mini mum Oi ounces of placer gold from 1774 to 1968. The location, areal extent, past production, mining history, and probable lode source summarized for each district are based on information Obtained from a wide variety of published reports relating to placer deposits. Annotated references to all reports that contain information about individual deposits are given for each 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.


Gold Placers and Placering in Arizona

Gold Placers and Placering in Arizona
Author: Arizona. Bureau of Mines
Publisher:
Total Pages: 124
Release: 1961
Genre:
ISBN:

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Gold placers, or deposits such as gravel and sand which contain notable concentrations of gold, all result from the slow milling and concentration processes incident to natural erosion of pre-existing gold-bearing rocks. The origin of many gold placers is traceable directly to auriferous veins, lodes, or replacement deposits which, in most instances, were not of high grade. According to Emmons, placers are not apt to form from goldbearing outcrops that contain abundant manganese, iron sulphides, and chlorides, unless precipitating agents such as calcite, siderite, rhodochrosite, pyrrhotite, chalcocite, nepheline, olivine, or leucite are abundant, or unless erosion is very rapid. In other words, the gold may be dissolved and carried below by means of natural chlorination processes that are established when solutions containing chlorides, together with sulphuric acid from the oxidation of iron sulphides, act upon manganese dioxide; but this process is neutralized if precipitating agents are present, and may be ineffective if erosion is very rapid


Placer Gold Deposits of Arizona

Placer Gold Deposits of Arizona
Author: Maureen G. Johnson
Publisher:
Total Pages: 116
Release: 2010-10
Genre: Science
ISBN: 9780984369843

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A reprint of the Original US Geological Survey Bulletin 1355. This publication is a catalog of locations, Geology, and production from the placer districts of Arizona. Over 90 Arizona Placer District covered in this publication.


Lost Mines and Buried Treasures of Arizona

Lost Mines and Buried Treasures of Arizona
Author: W. C. Jameson
Publisher: University of New Mexico Press
Total Pages: 186
Release: 2009
Genre: History
ISBN: 0826344135

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The prospecting past of Arizona has been kept alive through the notorious tales included here.


Bulletin

Bulletin
Author:
Publisher:
Total Pages: 410
Release: 1916
Genre: Mines and mineral resources
ISBN:

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Includes the following subseries each numbered separately: Mineral technology series; Safety series; Economic series; Oil series; Geological series; Welfare series; Sampling series; First-aid series; County resource series; and, Metallurgical series.