- depleted mantle
- «истощённая» мантия (обеднённая какими-то химическими элементами)
Англо-русский словарь промышленной и научной лексики. 2014.
depleted mantle
Смотреть что такое "depleted mantle" в других словарях:
Mantle plume — A superplume generated by cooling processes in the mantle.[1] A mantle plume is a hypothetical thermal diapir of abnormally hot rock that nucleates at the core mantle boundary and rises through the Earth s mantle. Such plumes were invoked in 1971 … Wikipedia
Kaapvaal craton — The Kaapvaal craton (Limpopo province of South Africa), along with the Pilbara craton of Western Australia, are the only remaining areas of pristine 3.6 2.5 Ga crust on Earth. Similarities of rock records from both these cratons, especially of… … Wikipedia
Boninite — is a mafic extrusive rock high in both magnesium and silica, formed in fore arc environments, typically during the early stages of subduction. The rock is named for its occurrence in the Izu Bonin arc south of Japan. It is characterized by… … Wikipedia
Craton — Geologic provinces of the world (USGS) Shield … Wikipedia
Petrological Database of the Ocean Floor — The Petrological Database of the Ocean Floor ( [http://www.petdb.org PetDB] ) is a relational database and repository for global geochemical data on igneous and metamorphic rocks generated at mid ocean ridges including back arc basins, young… … Wikipedia
Peridotite — A peridotite is a dense, coarse grained igneous rock, consisting mostly of the minerals olivine and pyroxene. Peridotite is ultramafic and ultrabasic, as the rock contains less than 45% silica. It is high in magnesium, reflecting the high… … Wikipedia
Slave craton — which is one of the oldest dated rock units on Earth at 4.03 Ga. The crust of the Slave craton is thought to have amalgamated during a 2.69 Ga collision between a proto Slave western basement complex, known as the Central Slave Basement Complex,… … Wikipedia
Zimbabwe craton — The Zimbabwe craton is an example of Early Archaean lithology dating back to 3.5 Gigaannum Ga. in the southern African nation of Zimbabwe [Wilson, J.F., Nesbitt, R.W., Fanning, C.M., 1995. Zircon geochronology of Archaean felsic sequences in the… … Wikipedia
Тайшань — Всемирное наследие ЮНЕСКО, объект № 437 рус. • … Википедия
Malapai Hill — Oblique aerial view of Malapai Hill, looking east Elevation 4,278 feet (1,304 m) … Wikipedia
igneous rock — Any of various crystalline or glassy, noncrystalline rocks formed by the cooling and solidification of molten earth material (magma). Igneous rocks comprise one of the three principal classes of rocks, the others being metamorphic and sedimentary … Universalium
