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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

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 (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.


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

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Arizona's Little-known Gold Placers

Arizona's Little-known Gold Placers
Author: Ronald S. Wielgus
Publisher:
Total Pages: 0
Release: 1996
Genre: Gold mines and mining
ISBN: 9780963560148

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The author acts as a personal guide for getting the prospector off the beaten path by supplying photos and directions to lesser-known placers throughout the state.


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.


Arizona Lode Gold Mines and Gold Mining

Arizona Lode Gold Mines and Gold Mining
Author: Eldred D. Wilson
Publisher: Sylvanite, Incorporated
Total Pages: 264
Release: 2011-10
Genre: Technology & Engineering
ISBN: 9781614740049

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Arizona Lode Gold Mines and Gold Mining was originally published in 1934 by the Arizona Bureau of Mines Bulletin 137 and covers information on most of the known gold mines in the state of Arizona at the time. A little history is given on the types of Gold Deposits that are formed in Arizona and some Arizona gold mining history. The rest of the book is devoted to the various gold districts in the state. Over 40 Mining Districts and 150 various mines are covered in this book not to mention general claims and areas discussed. If you are looking for gold then the best places to look are near where it has been found before and in Arizona this book will tell you where those locations are along with a little history on the production and geology of each mine.