A Microscopic Study of the Silver Ores and Their Associated Minerals: A Dissertation Submitted to the Department of Geology and Mining and to the Committee on Graduate Study of the Leland Standford Junior University in Partial Fulfilment of the Requiremen
A Microscopic Study of the Silver Ores and Their Associated Minerals: A Dissertation Submitted to the Department of Geology and Mining and to the Committee on Graduate Study of the Leland Standford Junior University in Partial Fulfilment of the Requiremen
Excerpt from A Microscopic Study of the Silver Ores and Their Associated Minerals: A Dissertation Submitted to the Department of Geology and Mining and to the Committee on Graduate Study of the Leland Standford Junior University in Partial Fulfilment of the Requirements for the Degree of Doctor of Philosophy The increasing amount of Space devoted by many of the jour nals to investigations in which the reflecting microscope is em ployed, is sufficient evidence of the great value of this new method of attack in the ...
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Excerpt from A Microscopic Study of the Silver Ores and Their Associated Minerals: A Dissertation Submitted to the Department of Geology and Mining and to the Committee on Graduate Study of the Leland Standford Junior University in Partial Fulfilment of the Requirements for the Degree of Doctor of Philosophy The increasing amount of Space devoted by many of the jour nals to investigations in which the reflecting microscope is em ployed, is sufficient evidence of the great value of this new method of attack in the solution of problems of paragenesis of the opaque minerals. That these researches are confined so largely to the investigation of the copper sulphides and associated minerals is the occasion of some surprise. Although in a more or less gen eral way it has been appreciated that the replacements concerned in the process of co-pper enrichment are common phenomena of nature, yet the fact that these processes may, in their complexity and interest, 'be duplicated in the deposition of silver minerals, has failed to receive the emphasis it deserved. This is due in part to the greater scarcity of silver minerals and also to the greater difficulty involved in their identification. More-over, the applica tion of these methods to Copper deposits has 'been a significant factor in the solution of economic problems, and. Has thus acted as a stimulus for extended researches in those fields. This stage of development has not yet been realized for the silver ores. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... 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.
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