picrite
picrite A strongly porphyritic, olivine-rich basalt. Picrites on the islands of Hawaii are formed during high-discharge-rate eruptions and may reflect mobilization of an olivine-rich crystal-cumulate layer near the base of the magma chamber.
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Incor… Adrienne Rich , Adrienne Rich (born 1929) perhaps more than any other contemporary poet crystallized in her work and life the deeply complex, awakening consciousness… Hydrothermal Systems (geology) , magma chamber A region, postulated to exist below the Earth's surface, in which magma is received from a source region in the deep crust or upper man… Baldachin , baldachin •grimalkin • lambkin • napkin • gaskin •lambskin • catkin •Larkin, parkin •calfskin • sharkskin • welkin •Potemkin • Jenkin • redskin •bear… Leucite , leucite An important feldspathoid mineral KA1Si2O6; sp.gr.2.5; hardness 5.5–6.0; tetragonal; normally white or grey; vitreous lustre; crystals form v…
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picrite