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Author : Melville Attwood
Publisher : Unknown
Page : 32 pages
File Size : 43,7 Mb
Release : 1882
Category : Gold
ISBN : UCAL:B4267245
Author : Henry Gardiner Ferguson,Roger W. Gannett
Publisher : Unknown
Page : 262 pages
File Size : 46,9 Mb
Release : 1932
Category : Gold mines and mining
ISBN : STANFORD:36105001397962
Author : William Allen Elliott
Publisher : Hardpress Publishing
Page : 236 pages
File Size : 54,5 Mb
Release : 2012-08-01
Category : Electronic
ISBN : 1290855323
Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve to be made available for future generations to enjoy.
Author : Waldemar Lindgren
Publisher : Unknown
Page : 340 pages
File Size : 42,5 Mb
Release : 1896
Category : Geology
ISBN : STANFORD:36105032155918
Author : William Allen Elliott
Publisher : Unknown
Page : 232 pages
File Size : 54,7 Mb
Release : 1910
Category : Africa, Southern
ISBN : STANFORD:36105037299349
Author : Melville Attwood
Publisher : Unknown
Page : 5 pages
File Size : 51,9 Mb
Release : 1881
Category : Gold
ISBN : OCLC:21733797
Author : Alfred Harper Curtis
Publisher : Unknown
Page : 48 pages
File Size : 45,6 Mb
Release : 1892
Category : Gold
ISBN : COLUMBIA:CU55831419
Author : Thomas Monecke,Patrick Mercier-Langevin,B. Dubé
Publisher : Unknown
Page : 291 pages
File Size : 54,7 Mb
Release : 2017
Category : Abitibi Greenstone Belt (Ont. and Québec)
ISBN : 1629491179
The Abitibi greenstone belt of eastern Canada represents the world's largest Neoarchean terrane of supracrustal rocks. Straddling the border between the provinces of Ontario and Quebec, the belt covers an area that is approximately 700 km from southeast to northwest and 350 km from north to south. The belt is comprised of several major east-trending successions of folded volcanic and sedimentary rocks, with intervening intrusions. The supracrustal rocks of the Abitibi greenstone belt are uniquely well preserved and have mostly been overprinted only at a low metamorphic grade, allowing the study of primary geological relationships.
Author : Simpson Davison
Publisher : Unknown
Page : 528 pages
File Size : 46,7 Mb
Release : 1861
Category : Geology
ISBN : OXFORD:590288896
Author : Melville Attwood
Publisher : Forgotten Books
Page : 26 pages
File Size : 48,7 Mb
Release : 2017-12-19
Category : Technology & Engineering
ISBN : 0484146696
Excerpt from On the Milling of Gold Quartz Dear sir My last paper to the State Geological Society on The Milling of Gold Quartz, wherein I tried to describe the process of simple amalgamation of the raw pyritic matter in wooden barrels, appears from the great number of letters that I have received respecting it, after its publication in the Mining and Scientific Press, to have attracted considerable attention, and has, therefore, encouraged me to resume the subject, but this time as a contribution to the State Mining Bureau; you having kindly offered to allow the specimens accompanying this paper, and intended to illustrate whati have stated, to remain for a short time at the rooms of the Mining Bureau, to give those who feel interested in the mat ter a chance of examining them. You have also promised to put some very important and interesting specimens from your private collection with them. I can only now repeat what I have stated on a former occasion, that at the present time I think scarcely anything can be of greater importance to the mining interests of this State, than a simple and cheap mode of extracting the gold from low grade veinstone, and the determination of the true condition of the ores associated with it. 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 : Boyle
Publisher : Springer Science & Business Media
Page : 687 pages
File Size : 54,8 Mb
Release : 2012-12-06
Category : Science
ISBN : 9781461319696
GOLD: History and Genesis of Deposits is the product of an effort by the Society of Economic Geologists to publish materials that will expand knowl edge concerning timely, specific topics important to the study of economic geology and to economic geologists. A volume on gold was selected for a general review-type publication because of the importance of the gold mining industry in the 1980s. The officers and council of the Society of Economic Geologists authorized the preparation of this book on gold in 1981, and Dr. Robert W. Boyle was selected as its author. Dr. Boyle has extensive experience in the study of gold deposits. He has an international reputation and a broad interest and understanding of the gold mining industry, the origin of gold deposits, and the history of gold as a metal and ore from prehistoric times to recent. Dr. Boyle uses important publications on gold deposits as source materials to document the various pathways of geological thought over time to introduce the reader to modern concepts. The book contains a wealth of information concerning gold.
Author : Russell Gibson
Publisher : Unknown
Page : 574 pages
File Size : 46,6 Mb
Release : 1934
Category : Gold ores
ISBN : IND:30000146471481
Author : Christopher Henry Ash,Robert William MacDonald,P. R. Reynolds,British Columbia. Geological Survey Branch,British Columbia. Ministry of Energy and Mines
Publisher : Unknown
Page : 140 pages
File Size : 47,5 Mb
Release : 2001-01-01
Category : Geology, Economic
ISBN : 0772643768
Author : Henry Gardiner Ferguson,Roger W. Gannett
Publisher : Unknown
Page : 139 pages
File Size : 53,5 Mb
Release : 1932
Category : Gold mines and mining
ISBN : LCCN:gs32000113
Author : Waldemar Lindgren
Publisher : Unknown
Page : 330 pages
File Size : 48,6 Mb
Release : 2017-08-19
Category : Science
ISBN : 1375458302