Geological Survey of Canada, Current Research (Online) no. 2002-C8 PDF Download
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Author: Ross L. Sherlock
Publisher: Natural Resources Canada
ISBN: 0660187280
Category :
Languages : en
Pages : 11
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Book Description
The QSP area represents a well-preserved segment of felsic volcanic stratigraphy within the Hope Bay volcanic belt in western Nunavut. This paper reports the result of a detailed mapping program carried out over the QSP area to outline volcanic stratigraphy and associated geochemistry & hydrothermal alteration. It includes information on the regional geology, the geology of the volcanic belt, the history of mineral exploration in the area, the volcanic & intrusive rocks in the QSP area and their alteration, and (briefly) structural geology.
Author: Ross L. Sherlock
Publisher: Natural Resources Canada
ISBN: 0660187280
Category :
Languages : en
Pages : 11
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Book Description
The QSP area represents a well-preserved segment of felsic volcanic stratigraphy within the Hope Bay volcanic belt in western Nunavut. This paper reports the result of a detailed mapping program carried out over the QSP area to outline volcanic stratigraphy and associated geochemistry & hydrothermal alteration. It includes information on the regional geology, the geology of the volcanic belt, the history of mineral exploration in the area, the volcanic & intrusive rocks in the QSP area and their alteration, and (briefly) structural geology.
Author:
Publisher: Natural Resources Canada
ISBN: 0662335309
Category :
Languages : en
Pages : 13
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Book Description
Author:
Publisher: Natural Resources Canada
ISBN: 0662335392
Category :
Languages : en
Pages : 12
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Book Description
Author: Isabelle McMartin
Publisher: Natural Resources Canada
ISBN: 0662399749
Category : Glacial epoch
Languages : en
Pages : 12
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Book Description
This paper presents results from a Quaternary mapping project conducted in two areas of central mainland Nunavut that were located beneath the Keewatin Ice Divide during the last glaciation. Field work included surficial mapping, regional-scale till sampling, stratigraphic studies, and ice-flow indicator surveys. The paper summarizes the findings related to ice flow directions, patterns, and the sequence of flow events in the two map areas. Preliminary interpretations are offered of the ice flow record from the oldest recognized ice-flow events to the most recent flows.
Author: Sharon E. Kroening
Publisher:
ISBN:
Category : Earth sciences
Languages : en
Pages : 122
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Book Description
Author:
Publisher: Natural Resources Canada
ISBN: 0662316770
Category :
Languages : en
Pages : 12
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Author: Xueming Yang
Publisher: Natural Resources Canada
ISBN: 0662324692
Category :
Languages : en
Pages : 14
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Book Description
Author: K. J. Schulz
Publisher: Geological Survey
ISBN: 9781411339910
Category : Industrial minerals
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: 0662316681
Category :
Languages : en
Pages : 11
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Book Description
Author:
Publisher: Natural Resources Canada
ISBN: 0662324617
Category :
Languages : en
Pages : 8
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Book Description
