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Ore Deposits and Mantle Plumes (Hardcover, 2000 ed.)
Loot Price: R5,563
Discovery Miles 55 630
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Ore Deposits and Mantle Plumes (Hardcover, 2000 ed.)
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PERTH Western Australia March 2000 Increasingly explorationists are
seeking to find new ore deposits in poorly prospected areas, be
they geographically remote, such as in the Arctic, or geologically
remote, such as those under sedimentary cover. Modern prospecting
techniques, including low-detection-level geochemistry and the use
of advanced geophysical instrumentation have greatly assisted
explorers but fundamental to any soundly based exploration program
remains an understanding of the geological framework of ore
deposits. This allows the development of deposit models on
macroscopic and mesoscopic scales. This book by Dr. Franeo Pirajno
draws on his extensive and wide global experience. To set the scene
for a discussion of ore deposit generation Franeo details the
Earths internal structures and mantle dynamics. He then explores
the impact of mantle plumes on the crust and in particular their
role in the production of magmatic environments, and in continental
scale rifting. This includes a descriptive section on magmatic
provinces around the globe, which highlights the importance of
plumes. Any study of Earth processes needs to take into account the
effects of extraterrestrial bombardment, and in particular the
results from the impacts of large bolides. The effects of these
impacts on the atmosphere and on life have now been recognised as
profound. It is likely that the effect ofthese impacts on the
Earth's crust is as equally profound.
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