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Author: K.C. Condie
Publisher: Elsevier
ISBN: 0080869025
Category : Science
Languages : en
Pages : 440
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Book Description
Archean Greenstone Belts
Author: C. R. Anhaeusser
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 52
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Book Description
Author: K.C. Condie
Publisher: Elsevier
ISBN: 0080869025
Category : Science
Languages : en
Pages : 440
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Book Description
Archean Greenstone Belts
Author: Arthur H. Hickman
Publisher: Springer Nature
ISBN: 3031180070
Category : Science
Languages : en
Pages : 501
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Book Description
One of today’s major geoscientific controversies centres on the origin of the Archean granite‒greenstone terranes. Is the geology of these scattered remnants of our planet’s early crust consistent with the theory that modern-style plate-tectonic processes operated from the early Archean, or does it indicate that tectonic and magmatic processes were different in the Archean? Earth has clearly evolved since its initial formation, so at what stage did its processes of crustal growth first resemble those of today? The logical place to seek answers to these intriguing and important questions is within the best-preserved early Archean crust. The Pilbara region of northwest Australia is internationally famous for its abundant and exceptionally well-preserved fossil evidence of early life. However, until recently the area has received much less recognition for the key evidence it provides on early Archean crustal evolution. This book presents and interprets this evidence through a new stage-by-stage account of the development of the Pilbara’s geological record between 3.53 and 2.63 Ga. The Archean Pilbara crust represents one fragment of Earth’s oldest known supercontinent Vaalbara, which also included the Kaapvaal Craton of southern Africa. Recognition of Vaalbara expands the background database for both these areas, allowing us to more fully understand each of them.
Author: C. M. R. Fowler
Publisher: Geological Society of London
ISBN: 9781862391093
Category : Science
Languages : en
Pages : 378
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Author: Franco Pirajno
Publisher: Springer Science & Business Media
ISBN: 3642756719
Category : Science
Languages : en
Pages : 721
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Book Description
This book is intended primarily for exploration geologists and post graduate students attending specialist courses in mineral exploration. Exploration geologists are engaged not only in the search for new mineral deposits, but also in the extension and re-assessment of existing ones. To succeed in these tasks, the exploration geologist is required to be a "generalist" of the Earth sciences rather than a specialist. The exploration geologist needs to be familiar with most aspects of the geology of ore deposits, and detailed knowledge as well as experience play an all important role in the successful exploration for mineral commodities. In order to achieve this, it is essential that the exploration geologist be up to date with the latest developments in the evolution of concepts and ideas in the Earth sciences. This is no easy task, as thousands of publications appear every year in an ever increasing number of journals, periodicals and books. For this reason it is also difficult, at times, to locate appropriate references on a particular mineral deposit type, although this problem is alleviated by the existence of large bibliographic data bases of geological records, abstracts and papers on computers. During my teaching to explorationists and, indeed, during my years of work as an explorationist, the necessity of having a text dealing with the fundamental aspects of hydrothermal mineral deposits has always been compelling. Metallic mineral deposits can be categorised into three great families, namely: (I) magmatic; (2) sedimentary and residual; (3) hydrothermal.
Author: Gerald Joseph Home McCall
Publisher: Dowden Hutchinson and Ross
ISBN:
Category : Science
Languages : en
Pages : 536
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Author: Bozzano G Luisa
Publisher: Elsevier
ISBN: 0444597077
Category : Nature
Languages : en
Pages : 769
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Book Description
Handbook of Strata-Bound and Stratiform Ore Deposits, Volume 9: Regional and Specific Deposits focuses on the processes, methodologies, principles, and approaches involved in the identification of regional and specific ore deposits. The selection first elaborates on the timing of mineralization in stratiform copper deposits, oolitic iron formations, and metalliferous deep-sea sediments. Discussions focus on marine distribution and nature of surface and near-surface deposits, structural setting and associated deposits, principal types of deep-sea metal-enriched sediments, chronological development of oolitic-inland-sea iron formation, and complementary sources and transport mechanisms. The text then tackles heavy-metal accumulation in limnic sediments, trace metals in fresh waters, nature and origin of Archaean strata-bound volcanic associated nickel-iron-copper sulphide deposits, and the significance of pyritic black shales in the genesis of Archean nickel sulphide deposits. Topics include lithological associations, oxidation and supergene alteration of ores, temporal and tectonic setting, dissolved metal concentrations in large freshwater systems, and transport phases of heavy metals in river water. The publication examines strata-bound tin deposits, geology of the Pine Point lead-zinc district, and genesis of the Rammelsberg ore deposit near Goslar/Upper Harz in the Federal Republic of Germany. The selection is a valuable reference for researchers wanting to explore ore deposits.
Author:
Publisher:
ISBN:
Category : Geochemistry
Languages : en
Pages : 764
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Book Description
Author: Wallace Gary Ernst
Publisher: Columbia University Press
ISBN: 9780231072311
Category : Science
Languages : en
Pages : 300
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Book Description
Presents the fundamental principles constructed from the nature of minerals and rocks to the plate tectonics.
Author: L. S. Jensen
Publisher: Toronto, Ont. Ontario Ministry of Natural Resources
ISBN:
Category : Science
Languages : en
Pages : 148
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Book Description
