Geology Of The Marysville Mining District Montana
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Geology Of The Marysville Mining District Montana
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Author : Joseph Barrell
language : en
Publisher:
Release Date : 1907
Geology Of The Marysville Mining District Montana written by Joseph Barrell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1907 with Geology categories.
Geology Of The Marysville Mining District Montana
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Author : Evan Charles Gearity
language : en
Publisher:
Release Date : 2013
Geology Of The Marysville Mining District Montana written by Evan Charles Gearity and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Geology, Structural categories.
The Lewis & Clark line extending from Idaho to Eastern Montana is known for its numerous mineral deposits. Recent advances in our understanding of regional tectonics, the geological history of the Lewis and Clark line, and how mineral deposits form, provide an opportunity for a deeper investigation into this previously studied region. The Marysville Mining District (MMD) is located in the Lewis & Clark line and was chosen for this study. Renewed interest in the MMD allowed for access to the Drumlummon gold mine and the Bald Butte molybdenite deposit. This study applied recent advances in regional tectonics, knowledge of mineral deposit formation, age dating, and geochemical techniques, providing new insights into the MMD with an emphasis on the Drumlummon gold mine. The methods used to conduct this study included field mapping, geochronology, FEMEDS, and computer-based paleostress reconstruction. Results from this investigation were combined with previous work done to form ideas on the origins of mineral deposits in the MMD and the roles of regional tectonics on the emplacement of mineralized veins. The new age dates in the MMD reveal that mineralization occurred in two events: at ~80 Ma and ~40 Ma. Mapping results showed a deformation history in the MMD that included the transpression and transtension events experienced on the Lewis & Clark line. The mineralized veins at the Drumlummon gold mine and Bald Butte molybdenite prospect tend to follow the transtensional stress field. The ore mineralogy of the Drumlummon gold mine is most consistent with an intermediate sulfide epithermal system. Using the new data, a hypothesis was proposed that the origin of gold in the Drumlummon mine was the Silver City Stock.
Geology Of The Marysville Mining District Montana Etc
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Author : Joseph Barrell
language : en
Publisher:
Release Date : 1907
Geology Of The Marysville Mining District Montana Etc written by Joseph Barrell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1907 with categories.
Geology Of The Marysville Mining District Montana A Study Of Igneous Intrusion And Contact Metamorphism
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Author : Joseph Barrell
language : en
Publisher:
Release Date : 2017-08-18
Geology Of The Marysville Mining District Montana A Study Of Igneous Intrusion And Contact Metamorphism written by Joseph Barrell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-08-18 with Science categories.
Geology And History Of The Marysville Mining District And The Drumlummon Mine Lewis And Clark County Montana
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Author : Giles E. Walker
language : en
Publisher:
Release Date : 1992
Geology And History Of The Marysville Mining District And The Drumlummon Mine Lewis And Clark County Montana written by Giles E. Walker and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Marysville (Mont.) categories.
Geology Of The Marysville Mining District Montana
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Author : Joseph Barrell
language : en
Publisher: Forgotten Books
Release Date : 2016-10-18
Geology Of The Marysville Mining District Montana written by Joseph Barrell and has been published by Forgotten Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-10-18 with Science categories.
Excerpt from Geology of the Marysville Mining District, Montana: A Study of Igneous Intrusion and Contact Metamorphism The geology of the Marysville district involves a study of the phenomena of igneous intrusion and of contact metamorphism, and, as these are branches of the science which still hold much that is debatable, it is necessary in order to arrive at the conclusions that the facts shall be presented in great detail and the discussion as to their significance be made complete. Only by so doing can the conclusions be considered safe. In addition to the problems directly connected with the igneous intrusions and indirectly with the ore deposits, it is found that the structure of the sedimentary formations is far from simple, the strata being folded, warped, crushed, or faulted, and entirely without fossils. These structural complexities make it further necessary to give a full treatment to the subject. Yet many readers will not wish to follow the details, but will desire to get in a few pages the chief facts of the geology. For such this chapter is written, being condensed from the following chapters of the report. 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.
Geology Of The Marysville Mining District Montana
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Author : Joseph Barrell
language : en
Publisher: Scholar's Choice
Release Date : 2015-02-08
Geology Of The Marysville Mining District Montana written by Joseph Barrell and has been published by Scholar's Choice this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-02-08 with categories.
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Geology Of The Marysville Mining District Of Montana
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Author : U. S. Department Interior
language : en
Publisher: CreateSpace
Release Date : 2014-08-29
Geology Of The Marysville Mining District Of Montana written by U. S. Department Interior and has been published by CreateSpace this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-08-29 with categories.
Mining historian Kerby Jackson introduces us to a classic mining work in this important re-issue of the Department of Interior publication "Geology of the Marysville Mining District of Montana." This important publication on Montana Mining has not been available for over a century. Included are rare insights into the mining geology of the Marysville Mining District. Some of the topics include the early history of gold, silver and copper mining in the area, insight into the geology of its mining areas, the local distribution of gold, silver and copper ores, as well their composition and how to identify them. Also included are detailed facts, history, geology and locations of gold, silver and copper mines in the area . 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.
Geology Of The Marysville Mining District Montana
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Author : Joseph Barrell
language : en
Publisher: Nabu Press
Release Date : 2014-02
Geology Of The Marysville Mining District Montana written by Joseph Barrell and has been published by Nabu Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-02 with categories.
This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book.
Geology Of Marysville Mining District Montana
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Author : Joseph Barrell
language : en
Publisher:
Release Date : 1907
Geology Of Marysville Mining District Montana written by Joseph Barrell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1907 with categories.