Minerals In The East Mojave National Scenic Area California

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Minerals In The East Mojave National Scenic Area California A Minerals Investigation

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Author :
language : en
Publisher:
Release Date : 1990

Minerals In The East Mojave National Scenic Area California A Minerals Investigation written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Geology, Economic categories.

Minerals In The East Mojave National Scenic Area California

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Author :
language : en
Publisher:
Release Date : 1990

Minerals In The East Mojave National Scenic Area 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 1990 with Geology, Economic categories.

Minerals In The East Mojave National Scenic Area California

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Author :
language : en
Publisher:
Release Date : 1991

Minerals In The East Mojave National Scenic Area 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, Economic categories.

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.

Economic Analysis Of The Minerals Potential Of The East Mojave National Scenic Area California

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Author : United States. Bureau of Mines. Western Field Operations Center
language : en
Publisher:
Release Date : 1992

Economic Analysis Of The Minerals Potential Of The East Mojave National Scenic Area California written by United States. Bureau of Mines. Western Field Operations Center 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, Economic categories.

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.

Quantitative Assessment Of Undiscovered Metallic Mineral Resources In The East Mojave National Scenic Area Southern California

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Author : Carroll Ann Hodges
language : en
Publisher:
Release Date : 1991

Quantitative Assessment Of Undiscovered Metallic Mineral Resources In The East Mojave National Scenic Area Southern California written by Carroll Ann Hodges and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with East Mojave National Scenic Area (Calif.) categories.

Geology And Mineral Resources Of The East Mojave National Scenic Area San Bernadino County California

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Author : Ted Theodore
language : en
Publisher:
Release Date : 2015-09-25

Geology And Mineral Resources Of The East Mojave National Scenic Area San Bernadino County California written by Ted Theodore and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-09-25 with categories.

This book is a detailed report on the geology of the East Mojave National Scenic Area (EMNSA). It includes summaries and syntheses from the ongoing detailed investigations of many geologists. These geologic investigations are aimed primarily toward assembling a modern geologic framework for the region, but also include studies of the mineral resources of many individual areas within the EMNSA. An assessment of the potential for discovery of new metallic mineral resources specifically within the EMNSA is presented. Known mineral occurrences are classified by deposit type insofar as possible.

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.

East Mojave National Scenic Area Environmental Assessment

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Author : John R. Bailey
language : en
Publisher:
Release Date : 1988

East Mojave National Scenic Area Environmental Assessment written by John R. Bailey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with California, Southern categories.