Nickel, Copper, and Platinum Group Element Mineralization in Keweenawan Intrusive Rocks PDF Download
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Author: Peter Charles Lightfoot
Publisher: Ontario Ministry of Northern Development and Mines, Ontario Geological Survey
ISBN:
Category : Mines and mineral resources
Languages : en
Pages : 48
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Book Description
Author: Peter Charles Lightfoot
Publisher: Ontario Ministry of Northern Development and Mines, Ontario Geological Survey
ISBN:
Category : Mines and mineral resources
Languages : en
Pages : 48
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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 : 502
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Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 186
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Book Description
Author:
Publisher: Natural Resources Canada
ISBN:
Category :
Languages : en
Pages : 72
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Book Description
Author: Kenneth D. Ridgway
Publisher:
ISBN: 9780813724317
Category : Science
Languages : en
Pages : 678
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Book Description
"The convergent margin of southern Alaska is considered one of the type areas for understanding the growth of continental margins through collisional tectonic processes. Collisional processes that formed this margin were responsible for multiple episodes of sedimentary basin development, subduction complex growth, magmatism, and deformation. Two main collisional episodes shaped this Mesozoic-Cenozoic continental margin. The first event was the Mesozoic collision of the allochthonous Wrangellia composite terrane. This event represents the largest addition of juvenile crust to western North America in the past 100 m.y. The second event is the ongoing collision of the Yakutat terrane along the southeastern margin of Alaska. This Cenozoic event has produced the highest coast mountain range on Earth (Saint Elias Mountains), the Wrangell continental arc, and sedimentary basins throughout southern Alaska. Active collisional processes continue to shape the southern margin of Alaska, mainly through crustal shortening and strike-slip deformation, large-magnitude earthquakes, and rapid uplift and exhumation of mountain belts and high sedimentation rates in adjacent sedimentary basins. This volume contains 24 articles that integrate new geophysical and geologic data, including many field-based studies, to better link the sedimentary, structural, geochemical, and magmatic processes that are important for understanding the development of collisional continental margins."--Publisher's website.
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 108
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Book Description
Author: Ontario. Ministry of Northern Development and Mines
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 834
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Book Description
This volume describes the Grenville Province and the Proterozoic history of central and southern Ontario; the Paleozoic, Mesozoic, and Quaternary geology of Ontario; the metallogeny of metallic mineral deposits in Superior and Grenville Provinces and of the northern Great Lakes Region; Tectonic evolution; and regional geochemical mapping generally and in Superior Province.
Author: Peter C. Lightfoot
Publisher: Elsevier
ISBN: 0128041056
Category : Science
Languages : en
Pages : 696
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Book Description
Nickel Sulfide Ores and Impact Melts: Origin of the Sudbury Igneous Complex presents a current state of understanding on the geology and ore deposits of the Sudbury Igneous Complex in Ontario, Canada. As the first complete reference on the subject, this book explores the linkage between the processes of meteorite impact, melt sheet formation, differentiation, sulfide immiscibility and metal collection, and the localization of ores by magmatic and post-magmatic processes. The discovery of new ore deposits requires industry and government scientists and academic scholars to have access to the latest understanding of ore formation process models that link to the mineralization of their host rocks. The ore deposits at Sudbury are one of the world's largest ore systems, representing a classic case study that brings together very diverse datasets and ways of thinking. This book is designed to emphasize concepts that can be applied across a broad range of ore deposit types beyond Sudbury and nickel deposit geology. It is an essential resource for exploration geologists, university researchers, and government scientists, and can be used in rock and mineral analysis, remote sensing, and geophysical applications. - Provides the only reference book to focus entirely on the Sudbury Igneous Complex - Brings together an understanding of ore deposit and impact melts as a basis for future exploration - Authored by a leading expert on the geology of the Sudbury Igneous Complex with 35 years of experience working on nickel sulfide ore deposits
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 324
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Book Description
