Geology And Mineral Resources Of The East Mojave National Scenic Area San Bernardino County California
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Geology And Mineral Resources Of The East Mojave National Scenic Area San Bernardino County California
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Author : U. S. Department U.S. Department of the Interior
language : en
Publisher: CreateSpace
Release Date : 2014-04-28
Geology And Mineral Resources Of The East Mojave National Scenic Area San Bernardino County California written by U. S. Department U.S. Department of the Interior and has been published by CreateSpace this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-04-28 with categories.
The rocks of the East Mojave National Scenic Area (EMNSA) record a history of dynamic geologic events that span more than 1,800 million years (m.y.). These geologic events contributed significantly to development of the spectacular vistas and panoramas present in the area today. The oldest rocks underlie much of the northern part of the EMNSA. These rocks were subjected to extreme pressures and temperatures deep in the Earth's crust about 1,700 million years ago (Ma). They were subsequently intruded by granitic magmas from about 1,695 to 1,650 Ma, by additional granitic magmas at about 1,400 Ma and, later, at about 1,100 Ma, by iron-rich magmas that crystallized to form dark igneous rocks termed diabase. Unusual potassium- and magnesium-rich rocks, emplaced at about 1,400 Ma, crop out in a few places within and near the EMNSA. Their distinctive composition results from very small degrees of partial melting of mantle peridotite that was highly enriched in incompatible trace elements. At Mountain Pass, just outside the northeast boundary of the EMNSA, the potassium- and magnesium-rich rocks are accompanied by a rare type of carbonatite, an igneous rock composed of carbonate minerals, that contains high-grade rare earth element mineralization.
Geology And Mineral Resources Of The East Mojave National Scenic Area San Bernardino County California
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Author : Ted G Theodore
language : en
Publisher: Scholar's Choice
Release Date : 2015-02-16
Geology And Mineral Resources Of The East Mojave National Scenic Area San Bernardino County California written by Ted G Theodore 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 2015-02-16 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.
Evaluation Of Metallic Mineral Resources And Their Geologic Controls In The East Mojave National Scenic Area San Bernardino County California
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Author :
language : en
Publisher:
Release Date : 1991
Evaluation Of Metallic Mineral Resources And Their Geologic Controls In The East Mojave National Scenic Area San Bernardino County California written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Geology categories.
Mineral Resources Of The East Mojave Area San Bernardino County California Including Mojave Basin Area
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Author : R. M. Smith
language : en
Publisher:
Release Date : 1975
Mineral Resources Of The East Mojave Area San Bernardino County California Including Mojave Basin Area written by R. M. Smith and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Mines and mineral resources categories.
Publications Of The Geological Survey
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Author : Geological Survey (U.S.).
language : en
Publisher:
Release Date : 1991
Publications Of The Geological Survey written by Geological Survey (U.S.). and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Geology categories.
New Publications Of The U S Geological Survey
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Author : Geological Survey (U.S.)
language : en
Publisher:
Release Date : 1992
New Publications Of The U S Geological Survey written by Geological Survey (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Geology categories.
Mineral Resources Of The Castle Peaks Wilderness Study Area San Bernardino County California
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Author : David MacArthur Miller
language : en
Publisher:
Release Date : 1986
Mineral Resources Of The Castle Peaks Wilderness Study Area San Bernardino County California written by David MacArthur Miller and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Castle Peaks Wilderness (Calif.) categories.
New Publications Of The U S Geological Survey
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Author :
language : en
Publisher:
Release Date : 1992
New Publications Of The U S Geological Survey written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Geology categories.
The Eastern Mojave
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Author : National Association of Geoscience Teachers. Far Western Section. Spring Field Conference
language : en
Publisher:
Release Date : 2005
The Eastern Mojave written by National Association of Geoscience Teachers. Far Western Section. Spring Field Conference and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Geology categories.
Ancient Surfaces Of The East Mojave Desert
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Author : Robert E. Reynolds
language : en
Publisher:
Release Date : 1995
Ancient Surfaces Of The East Mojave Desert written by Robert E. Reynolds and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Geology categories.