Ultradeep Rocks and Diamonds in the Light of Advanced Scientific Technologies
作者： Larissa F. Dobrzhinetskaya , Richard Wirth
DOI: 10.1007/978-90-481-2737-5_11
关键词: Geochemistry 、 Kimberlite 、 Focused ion beam 、 Earth materials 、 Mantle (geology) 、 Plate tectonics 、 Fluid inclusions 、 Metamorphic rock 、 Geology 、 Ophiolite
摘要: This is a review paper which summarizes recent achievements in studies of superdeep mantle rocks and diamonds from kimberlite ultrahigh-pressure metamorphic (UHPM) terranes using advanced analytical techniques instrumentations such as focused ion beam (FIB)-assisted transmission electron microscopy (TEM) synchrotron-assisted infrared spectroscopy. In combination, they allow characterization geological materials formed at varying pressures, temperatures, stresses different chemical environments, has enabled us to make amazing advances understanding large-scale processes operating the Earth through plate tectonics. Mineralogical characterisations ultradeep earth novel with high spatial energy resolution are resulting unexpected discoveries new phases, thereby providing better constraints on deep processes. One results that nanometric fluid inclusions UHPM contain similar elements Cl, K, P, S. Such similarity reflects probably solubility these diamond-forming C–O–H supercritical pressures temperatures. The emphasizes necessity further occurred within setting (oceanic islands, foearcs sections ophiolites) previously unrecognized suitable places for pressure minerals formation.
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