Peridotite - Wikipedia
网页Peridotite (US: / ˈpɛrɪdoʊˌtaɪt, pəˈrɪdə -/ PERR-ih-doh-tyte, pə-RID-ə-) is a dense, coarse-grained igneous rock consisting mostly of the silicate minerals olivine and pyroxene. Peridotite is ultramafic, as the rock contains less than 45% silica.
Peridotite | Properties, Composition, Formation - Geology Science
网页2023年9月4日 · Peridotite is a type of ultramafic igneous rock that is primarily composed of the mineral olivine, along with smaller amounts of other minerals such as pyroxenes and amphiboles. It is one of the main rock types found in the Earth’s mantle, which is the layer of the Earth that lies below the crust.
Peridotite: Igneous Rock - Pictures, Definition & More - Geology.com
网页Peridotite is a generic name used for coarse-grained, dark-colored, ultramafic igneous rocks. Peridotites usually contain olivine as their primary mineral , frequently with other mafic minerals such as pyroxenes and amphiboles.
Peridotites: Dense, Coarse-Grained Ultramafic Intrusive Igneous …
网页2023年7月12日 · Peridotite is a predominant rock in the Earth’s upper mantle at depths up to 400km, with only a minor yet important part of the Earth’s crust or surface. Depths beyond 400 km will convert olivine to wadsleyite.
Peridotite | Mantle, Igneous, Ultramafic | Britannica
网页Peridotite is the ultimate source of all chromium ore and naturally occurring diamonds, and of nearly all chrysotile asbestos. It is one of the main host rocks of talc deposits and platinum metals and formerly was a major source of magnesite.
Peridotite - Igneous Rocks - Sandatlas
网页Peridotite. Peridotite is a dark-colored igneous rock consisting mostly of olivine and pyroxene. It is an important rock type because the Earth’s mantle is predominantly composed of it. A classification diagram of ultramafic rocks. Note that neither peridotite nor pyroxenite are single rock types.
Peridotite - Geology 1501 - ECU
网页Mineral Composition. Pyroxene (Bronzite), Olivine. Tectonic Environment. Upper mantle; sometimes obducted at continent-continent collision zones. Type. Igneous Rock. Texture. Phaneritic (Coarse-grained) Origin.
Peridotite - Encyclopedia.com
网页2018年5月8日 · Peridotite is a dark-colored, coarse-grained igneous rock believed by many scientists to be the primary rock of the exterior of Earth's mantle. The rock typically forms in volcanic pipes and is forced to the surface from great depths during a …
Peridotite - SpringerLink
网页2014年1月1日 · Peridotites are the main lithology of the Earth’s upper mantle. According to the IUGS classification (Le Bas and Streckeisen, 1991), they are defined as a coarse-grained ultramafic rock type, containing more than 40 % olivine.
Peridotite - Natural Atlas
网页Peridotite (US: PERR-ih-doh-tyte, pə-RID-ə-) is a dense, coarse-grained igneous rock consisting mostly of the silicate minerals olivine and pyroxene. Peridotite is ultramafic, as the rock contains less than 45% silica.
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