- orthocumulate
- 正堆积岩
English-Chinese geology dictionary (英汉地质大词典). 2013.
orthocumulate
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Cumulate rock — Cumulate rocks are igneous rocks formed by the accumulation of crystals from a magma either by settling or floating. Cumulate rocks are named according to their texture; cumulate texture is diagnostic of the conditions of formation of this group… … Wikipedia
Gabbro — (pronEng|ˈɡæbrəʊ) is a dark, coarse grained, intrusive igneous rock chemically equivalent to basalt. It is a plutonic rock, formed when molten magma is trapped beneath the Earth s surface and cools into a crystalline mass. The vast majority of… … Wikipedia
Pyroxenite — A sample of the orthopyroxenite meteorite ALH84001 Pyroxenite is an ultramafic igneous rock consisting essentially of minerals of the pyroxene group, such as augite and diopside, hypersthene, bronzite or enstatite … Wikipedia
Komatiite — Komatiites are ultramafic mantle derived volcanic rocks. They have low SiO2, low K2O, low Al2O3, and high to extremely high MgO. They were named for their type locality along the Komati River in South Africa. True komatiites are very rare and… … Wikipedia
List of rock textures — This page is intended to be a list of rock textural and morphological terms. A * Adcumulate * Agglomeritic * Adamantine a type of lustre * Amygdaloidal * Anhedral * Antitaxial veins * Aphanitic * Aplitic; aplite * Augen textured gneiss *… … Wikipedia
Kambalda type komatiitic nickel ore deposits — Kambalda type nickel ore deposits are a class of magmatic nickel copper ore deposit in which the physical processes of komatiite volcanology serve to enrich, concentrate and deposit nickel bearing sulfide within the lava flow environment of an… … Wikipedia
Emily Ann and Maggie Hays nickel mines — The Emily Ann and Maggie Hays nickel deposits are situated approximately 150km west of the town of Norseman, Western Australia, within the Lake Johnston Greenstone Belt [Hill R.E.T, Barnes S.J., Gole M.J., and Dowling S.E., 1990. Physical… … Wikipedia
Widgiemooltha Komatiite — The Widgiemooltha Komatiite is a formation of komatiite in the Yilgarn Craton of Western Australia. Stratigraphy The stratigraphy of the Widgiemooltha Komatiite is well known to be part of the regional komatiite magmatic event also seen at the… … Wikipedia
