Annual Report - Geological Survey of Western Australia PDF Download
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Author: Geological Survey of Western Australia
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 308
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Book Description
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 140
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Book Description
Author: Geological Survey of Western Australia
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 308
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Book Description
Author: Geological Survey of Western Australia
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 60
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Book Description
![First-[third and Final] Report of the Geological Survey of Natal and Zululand PDF](https://books.google.com/books/content/images/frontcover/pwo-AAAAMAAJ?fife=w80-h100)
Author: Geological Survey
Publisher:
ISBN:
Category :
Languages : en
Pages : 182
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Book Description
Author: G.R.T. Jenkin
Publisher: Geological Society of London
ISBN: 1862396264
Category : Science
Languages : en
Pages : 335
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Book Description
Ore deposits form by a variety of natural processes that concentrate elements into a volume that can be economically mined. Their type, character and abundance reflect the environment in which they formed and thus they preserve key evidence for the evolution of magmatic and tectonic processes, the state of the atmosphere and hydrosphere, and the evolution of life over geological time. This volume presents 13 papers on topical subjects in ore deposit research viewed in the context of Earth evolution. These diverse, yet interlinked, papers cover topics including: controls on the temporal and spatial distribution of ore deposits; the sources of fluid, gold and other components of orogenic gold deposits; the degree of oxygenation in the Neoproterozoic ocean; bacterial immobilization of gold in the semi-arid near-surface environment; and mineral resources for the future, including issues of resource estimation, sustainability of supply and the criticality of certain elements to society.
Author: United States. Department of Agriculture
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 372
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Book Description
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:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 372
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Book Description
Author: National Agricultural Library (U.S.)
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 376
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Book Description
Author: Andrew Y. Glikson
Publisher: Springer
ISBN: 3319079085
Category : Science
Languages : en
Pages : 246
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Book Description
Archaean terrains contain a wealth of structural, stratigraphic, textural, mineralogical, geochemical and isotopic features allowing insights into the nature of the early Earth. This book is based on studies during 1964-2007 of Archaean terrains in Australia and to a lesser extent in South Africa and India, as well as on visits to Archaean terrains in Canada, the US and China, as well as petrological and geochemical studies of igneous and sedimentary rock suites from a range of terrains. The book will include a range of photographic and microscopic images, geological sketch maps and diagrams illustrating the lessons derived from field and the laboratory. Also other Archaean terrains are being reviewed. The book is intended for Earth scientists as well as broader intelligent readership.
