Introduction to Geology and Resources of Gold, and Geochemistry of Gold PDF Download
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Author: Daniel R. Shawe
Publisher:
ISBN:
Category : Geochemistry
Languages : en
Pages : 36
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Book Description
Author: Daniel R. Shawe
Publisher:
ISBN:
Category : Geochemistry
Languages : en
Pages : 36
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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:
ISBN:
Category : Geology
Languages : en
Pages : 680
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Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 630
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Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1120
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Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 436
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Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 746
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Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category : Geochemistry
Languages : en
Pages : 428
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Author: Robyn d'Avignon
Publisher: Duke University Press
ISBN: 1478023074
Category : Social Science
Languages : en
Pages : 225
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Book Description
Set against the ongoing corporate enclosure of West Africa’s goldfields, A Ritual Geology tells the untold history of one of the world’s oldest indigenous gold mining industries: Francophone West Africa’s orpaillage. Establishing African miners as producers of subterranean knowledge, Robyn d’Avignon uncovers a dynamic “ritual geology” of techniques and cosmological engagements with the earth developed by agrarian residents of gold-bearing rocks in savanna West Africa. Colonial and corporate exploration geology in the region was built upon the ritual knowledge, gold discoveries, and skilled labor of African miners even as states racialized African mining as archaic, criminal, and pagan. Spanning the medieval and imperial past to the postcolonial present, d’Avignon weaves together long-term ethnographic and oral historical work in southeastern Senegal with archival and archeological evidence from Burkina Faso, Côte d’Ivoire, Guinea, and Mali. A Ritual Geology introduces transnational geological formations as a new regional framework for African studies, environmental history, and anthropology.
Author: Ted G. Theodore
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 308
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Book Description
