Report on the Geology and Geophysics of the East African Rift System PDF Download
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Author: Seminar on the East African Rift System (1965 : Nairobi).
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Seminar on the East African Rift System (1965 : Nairobi).
Publisher:
ISBN:
Category :
Languages : en
Pages :
Get Book Here
Book Description
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 230
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 115
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 115
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Author: East African Committee for Cooperation in Geophysics
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 0
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Author: Christopher K. Morley
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 326
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Book Description
Presents key results of hydrocarbon exploration activities by Amoco and other oil companies during the 1980s and 1990s in a number of rift segments in East Africa. Early chapters give a detailed review of the geological and geophysical data of the main regions explored, and later chapters present ge
![Report of the Upper Mantle Committee-UNESCO Seminar on the East African Rift System [12th-17th April 1965] PDF](https://books.google.com/books/content/images/frontcover/vkTQYgEACAAJ?fife=w80-h100)
Author: International Upper Mantle Committee
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ISBN:
Category :
Languages : en
Pages : 260
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Author: Upper Mantle Committee
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ISBN:
Category :
Languages : en
Pages : 145
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Author: Jacques Varet
Publisher: Springer
ISBN: 3319608657
Category : Science
Languages : en
Pages : 345
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Book Description
This book summarizes the geological knowledge accumulated on Afar in the last 60 years, demonstrating that it is, and will remain, a real “hot spot” for geological and geophysical research. It provides insights into the Earth processes along diverging plate boundaries, the study of both the continental and oceanic lithosphere and underlying asthenosphere, and margins and transitions including magmatic, volcanic, tectonic, sedimentary, hydrothermal and geodynamic processes. The Afar triangle is a geological depression that developed where the Gulf of Aden, Red Sea and East African Rift Valley meet. It is considered to be one of the Earth system’s most important mantle plumes. In 1967, when the first expedition was organized, there was little information on the geology of the area, and even geographic base maps were lacking. However, the first satellite photographs from the Apollo and Gemini space missions offered a complete picture of the Red Sea-Gulf of Aden region, providing a new vision of the Afar triangle. The book describes the unique geological features that make Afar the only place in the world where an oceanic plate boundary with all its successive steps of development can be observed in the open air. It also presents the Afar triangle as one of the cradles of first, now extinct hominids. The Middle Awash area contains sites of several fossil discoveries, such as the well-known Lucy. The hydrothermal processes in Afar provide conditions suitable for the study of the most primitive forms of life (archaebacterial) and it is also one of the few places where significant quantities of telluric energy are available at the surface for geothermal development. Further, the area has economically interesting mineral deposits and illustrates a number of current climate change issues. In addition to providing geological information, the book shows that Afar is an area where an individual human population developed with its own language and culture, and which adapted to the rugged landscape and extremely dry and hot climate. It is a valuable resource for scientists and students, and also serves the needs of the Afar nation, currently split in three different countries as a result of recent historical events.
Author: G. Yirgu
Publisher: Geological Society of London
ISBN: 9781862391963
Category : Nature
Languages : en
Pages : 344
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Book Description
The seismically and volcanically active East African Rift System is an ideal laboratory for continental break-up processes: it encompasses all stages of rift development. Its northernmost sectors within the Afar volcanic province include failed rifts, nascent sea-floor spreading, and youthful passive continental margins associated with one or more mantle plumes. A number of models have been proposed to explain the success and failure of continental rift zones, but there remains no consensus on how strain localizes to achieve rupture of initially 125-250 km-thick plates, or on the interaction between the plates and asthenospheric processes. This collection of papers provides new structural, stratigraphic, geochemical and geophysical data and numerical models needed to resolve fundamental questions concerning continental break-up and mantle plume processes. The focus is on how mantle melt intrudes and is distributed through the plate, and how this magma intrusion process controls along-axis segmentation and facilitates break-up.
