The Pyroxenes of the Bushveld Igneous Complex, Central Transvaal PDF Download
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Author: Frederick Brian Atkins
Publisher:
ISBN:
Category : Igneous rocks
Languages : en
Pages : 0
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Author: Frederick Brian Atkins
Publisher:
ISBN:
Category : Igneous rocks
Languages : en
Pages : 0
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Author: James Joseph Papike
Publisher:
ISBN:
Category : Amphiboles
Languages : en
Pages : 330
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Author: Geological Society of South Africa
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 354
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Book Description
Vols. 1-6, 49-68 include its Proceedings.
Author: H. H. Hess
Publisher: Geological Society of America
ISBN: 0813710804
Category : Crystallography
Languages : en
Pages : 258
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Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 622
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 15
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Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 644
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Author: C. J. Nienaber-Roberts
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 60
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Book Description
Author: R.P. Hall
Publisher: Springer Science & Business Media
ISBN: 9400903995
Category : Science
Languages : en
Pages : 498
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Book Description
Basic magmatic rocks make up approximately three-quarters of the crust ofthe present day Earth. Because we can observe and study the volcanic products of present day tectonic regimes comprehensively, we can shed light on ancient tectono-magmatic provinces, and thereby deduce the petrogenesis and evolution of the oldest basic rocks. This is the primary objective of this book. The book was conceived in order to provide a comprehensive review of the basic rocks produced during the first half of the Precambrian, i.e. the Archaean and early Proterozoic, to about 1.8 Ga years ago. Two major questions are addressed. First, what basic magmas were generated during the early Precambrian: were these magmas globally uniform, and to what extent were prevailing tectonic controls and compo sitions analogous to those of the present day? Clearly, this can be answered only by bringing together fundamental information about all relevant basic magmatic events. Second, is there any systematic temporal variation in the nature of basic suites, and what implications might such variations have on our interpretations of early Earth history? Are there important differences between early Archaean, late Archaean, Proterozoic and modern basic magmatic suites? The book uses two approaches to address these questions. Early chapters examine the fundamental characteristics of these basic rocks, whilst later chapters assess regional distribution and development by providing an overview of each major early Precambrian craton.
Author:
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ISBN: 9781629493084
Category :
Languages : en
Pages :
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