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Author: Ontario. Department of Mines
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 592
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Book Description
Author: Ontario. Department of Mines
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 592
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Book Description
Author: Joseph V. Tingley
Publisher:
ISBN:
Category : Mining districts
Languages : en
Pages : 138
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Book Description
Author: United States. Bureau of Mines. Technical Library, Pittsburgh
Publisher:
ISBN:
Category : Library catalogs
Languages : en
Pages : 778
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Book Description
Author: United States. Bureau of Mines
Publisher:
ISBN:
Category : Mine safety
Languages : en
Pages : 40
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Book Description
Author: United States. Department of the Interior
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 134
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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: Pennsylvania. Department of Mines
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 788
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Book Description
Author: Richard A. Dick
Publisher:
ISBN: 9781410218636
Category : Technology & Engineering
Languages : en
Pages : 116
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Book Description
This Bureau of Mines report covers the latest technology in explosives and blasting procedures. It includes information and procedures developed by Bureau research, explosives manufacturers, and the mining industry. It is intended for use as a guide in developing training programs and also to provide experienced blasters an update on the latest state of technology in the broad field of explosives and blasting. Types of explosives and blasting agents and their key explosive and physical properties are discussed. Explosives selection criteria are described. The features of the traditional initiation systems - electrical, detonating cord, and cap and fuse - are pointed out, and the newer nonelectric initiation systems are discussed. Various blasthole priming techniques are described. Blasthole loading of various explosive types is covered. Blast design, including geologic considerations, for both surface and underground blasting is detailed. Environmental effects of blasting such as flyrock and air and ground vibrations are discussed along with techniques of measuring and alleviating these undesirable side effects. Blasting safety procedures are detailed in the chronological order of the blasting process. The various Federal blasting regulations are enumerated along with their Code of Federal Regulations citations. An extensive glossary of blasting related terms is included along with references to articles providing more detailed information on the aforementioned items. Emphasis in the report has been placed on practical considerations.
Author: Bruce J. Noble
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 40
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Book Description
Author: United States. General Accounting Office
Publisher:
ISBN:
Category :
Languages : en
Pages : 76
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Book Description
