Geological Survey of Canada, Current Research (Online) no. 2003-C10 PDF Download
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Author:
Publisher: Natural Resources Canada
ISBN: 0662335325
Category :
Languages : en
Pages : 12
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Book Description
Author:
Publisher: Natural Resources Canada
ISBN: 0662335325
Category :
Languages : en
Pages : 12
Get Book Here
Book Description
Author:
Publisher: Natural Resources Canada
ISBN: 0662335260
Category :
Languages : en
Pages : 13
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Book Description
Author: Carl A. Ozyer
Publisher: Natural Resources Canada
ISBN: 0662429192
Category :
Languages : en
Pages : 11
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Book Description
Author: Sharon E. Kroening
Publisher:
ISBN:
Category : Earth sciences
Languages : en
Pages : 122
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Book Description
Author: K. J. Schulz
Publisher: Geological Survey
ISBN: 9781411339910
Category : Business & Economics
Languages : en
Pages : 868
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Book Description
As the importance and dependence of specific mineral commodities increase, so does concern about their supply. The United States is currently 100 percent reliant on foreign sources for 20 mineral commodities and imports the majority of its supply of more than 50 mineral commodities. Mineral commodities that have important uses and face potential supply disruption are critical to American economic and national security. However, a mineral commodity's importance and the nature of its supply chain can change with time; a mineral commodity that may not have been considered critical 25 years ago may be critical today, and one considered critical today may not be so in the future. The U.S. Geological Survey has produced this volume to describe a select group of mineral commodities currently critical to our economy and security. For each mineral commodity covered, the authors provide a comprehensive look at (1) the commodity's use; (2) the geology and global distribution of the mineral deposit types that account for the present and possible future supply of the commodity; (3) the current status of production, reserves, and resources in the United States and globally; and (4) environmental considerations related to the commodity's production from different types of mineral deposits. The volume describes U.S. critical mineral resources in a global context, for no country can be self-sufficient for all its mineral commodity needs, and the United States will always rely on global mineral commodity supply chains. This volume provides the scientific understanding of critical mineral resources required for informed decisionmaking by those responsible for ensuring that the United States has a secure and sustainable supply of mineral commodities.
Author:
Publisher: Natural Resources Canada
ISBN: 0662335864
Category :
Languages : en
Pages : 11
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Book Description
Author: Roy A. Bailey
Publisher:
ISBN:
Category : Basalt
Languages : en
Pages : 90
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Book Description
Author: Martin De Keijzer
Publisher: Natural Resources Canada
ISBN: 0660179970
Category : Faults (Geology)
Languages : en
Pages : 12
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Book Description
A well-exposed section about 250 metres wide below the high water line of the Jennings River, Teslin Lake map area in northern British Columbia shows part of the Teslin Fault and provides an opportunity to constrain the fault's kinematic history by direct ground observations. This report describes preliminary structural observations of this section of the Teslin Fault, including the rock types involved, mylonitic & ultramylonitic structures, and deformation. Indications of two main episodes of shearing are discussed.
Author: A-V. Bojar
Publisher: Geological Society of London
ISBN: 1786204975
Category : Science
Languages : en
Pages : 347
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Book Description
This volume is devoted to Earth surface environmental reconstructions and environmental changes that may be deciphered and modelled using stable isotopes along with mineralogical/chemical, sedimentological, palaeontological/biological and climatological methodologies. The book is divided into two sections, both using stable isotopes (see www.geolsoc.org.uk/SP507) in various samples and phases as the main research tool. The first section is devoted to studies focusing on the distribution of isotopes in precipitation, groundwater, lakes, rivers, springs, tap water, mine water and their relationship with terrestrial environments at regional to continental scale. In relation to this, the second section includes case studies from a range of continental settings, investigating cave deposits (stalagmites, bat guano), animal skeletons (dinosaurs, alligators, turtles, bivalves), present and past soils (palaeosols) and limestones. The sections focus on the interaction between the surficial water cycle and underground water storage with deposits acting as archives of short- to long-term climatic and environmental changes. Examples from the Early Cretaceous to present time come from Europe, Asia, Africa, North and South America.
Author:
Publisher:
ISBN:
Category : Water resources development
Languages : en
Pages : 2
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Book Description
