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Rocks, Ultrabasic --- Intrusions (Geology) --- Ultrabasic rocks
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Rocks, Ultrabasic --- Earth --- Mantle --- Earth - Mantle
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Ultrabasic rocks --- Rocks, Ultrabasic --- Ultramafic rocks --- Igneous rocks --- Conferences - Meetings
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Petrology --- Rocks, Ultrabasic --- Ultramafic rocks --- Igneous rocks --- Lithology --- Petrography --- Physical geology --- Rocks
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Nickel ores --- Geochemistry --- Rocks, Ultrabasic --- Nickel ores - New Caledonia --- Geochemistry - New Caledonia --- Rocks, Ultrabasic - New Caledonia --- OCEANIE --- MELANESIE --- PEDOLOGIE --- ALTERATION ATMOSPHERIQUE --- PETROLOGIE ROCHES IGNEES --- ROCHES IGNEES BASIQUES, ULTRA-BASIQUES --- GEOLOGIE REGIONALE --- GEOLOGIE APPLIQUEE --- ETUDE REGIONALE --- GISEMENTS --- GENETIQUE
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Komatiites erupted billions of years ago as pulsating streams of white-hot lava. Their unusual chemical compositions and exceptionally high formation temperatures produced highly fluid lava that crystallized as spectacular layered flows. Investigation of the extreme conditions in which komatiites formed provides important evidence about the thermal and chemical evolution of the planet, and the nature of the Precambrian mantle. This monograph, written by three experts with long experience in the field, presents a complete account of the characteristics of komatiites including their volcanic structures, textures, mineralogy and chemical compositions. Models for their formation and eruption are evaluated (including the anhydrous vs. hydrous magmas controversy). A chapter is also devoted to the valuable nickel and copper ore deposits found in komatiites. Komatiite is a key reference for researchers and advanced students interested in petrology, Archaean geology, economic geology, and broader questions about the evolution of the Earth's crust and mantle.
Komatiite. --- Formations (Geology) --- Formations (Géologie) --- Mathematical models. --- Ultrabasic rocks. --- Geology, Stratigraphic --- Formations (Géologie) --- Geologic formations --- Geological formations --- Stratigraphic formations --- Lava --- Archaean --- Archaeozoic --- Archean --- Archeozoic --- Rocks, Ultrabasic --- Ultramafic rocks --- Igneous rocks
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Geoecology is a fruitful interdisciplinary field, relating rocks to soils to plant and animal communities and studying the interactions between them. Modern geoecology especially concentrates on showing how geology and soils affect the structure, composition and distribution of plant communities in a certain research area. This book applies the principles of geoecology to Western North America, and to a specific kind of rock, the fascinating serpentine belts that run along the continental margins of the West Coast from Alaska to Baja.
Ultrabasic rocks --- Soils --- Environmental geology --- Geoecology --- Environmental protection --- Physical geology --- Earth (Soils) --- Mold, Vegetable --- Mould, Vegetable --- Soil --- Vegetable mold --- Agricultural resources --- Plant growing media --- Regolith --- Land capability for agriculture --- Rocks, Ultrabasic --- Ultramafic rocks --- Igneous rocks --- Serpentine content
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