Titlebook: Oceanic Basalts; P. A. Floyd Book 1991 Springer Science+Business Media New York 1991 Atlantic Ocean.Pacific Ocean.carbon.environment.evolu

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Experimental phase petrology of mid-ocean ridge basaltsn equilibrium with basaltic liquids under a variety of magmatic conditions. These experimental studies generally fall into two major groups, those at low pressures (generally at 1 atm (1 atm = 101 325 N m .), but sometimes 2-3 kbar (1 bar = 10. N m .)) and those at high pressures (generally about 8-

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Collision

Metamorphic and hydrothermal processes: basalt-seawater interactions. Part II of this book discusses the importance of many of these initial basalt properties and how their measurement can be interpreted to infer the source, melting history, magmatic evolution and volcanic processes which formed the oceanic basalts. This chapter discusses how these properties can be

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Oceanic islands and seamountshe oceanic crust is generated. However, the interiors of oceanic plates are invariably pockmarked by numerous basaltic submarine volcanoes (sea-mounts and guyots) and emergent oceanic islands that testify to extensive, but often localized intraplate volcanism. Oceanic islands within 30° north and so

Misnomer

Back-arc basinsic magma chambers, but also during the solid—liquid fractionation that accompanies melting of the mantle. Isotopic and chemical studies also reveal gross heterogeneity in the composition of the sub-oceanic mantle (Chapter 15) reflecting major differentiation and recycling (e.g. subduction of oceanic

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Indian ocean crust detailed petrographic observations and mineral chemistry. The mineralogical aspects and the magmatic processes envisaged can be considered as adjunct topics to Chapters 5 and 7, respectively, in Part II. The first section considers the consequences of the existence of magmatic lineages, which are p

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Oceanic peridotitest the island was not of volcanic origin. Around the turn of the century peridotites broadly similar to those on St. Paul’s rocks were found as basalt-and kimberlite-borne xenoliths in ocean basins and on continental crust. Indeed it was the correlation between the seismic properties of such ultramaf