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- Lherzolite abstract "Lherzolite is a type of ultramafic igneous rock. It is a coarse grained rock consisting of 40 to 90% olivine along with significant orthopyroxene and lesser calcic chromium rich clinopyroxene. Minor minerals include chromium and aluminium spinels and garnets. Plagioclase can occur in lherzolites and other peridotites that crystallize at relatively shallow depths (20 – 30 km). At greater depth plagioclase is unstable and is replaced by spinel. At approximately 90 km depth, pyrope garnet becomes the stable aluminous phase. Garnet lherzolite is a major constituent of the Earth's upper mantle (extending to ~300 km depth). Lherzolite is known from the lower ultramafic part of ophiolite complexes (although harzburgite is more common in this setting), from alpine-type peridotite massifs, from fracture zones adjacent to mid-oceanic ridges, and as xenoliths in kimberlite pipes and alkali basalts. Partial melting of spinel lherzolite is one of the primary sources of basaltic magma. The name is derived from the Lherz Massif, an alpine peridotite complex (also known as orogenic lherzolite complex), (the type locality) at Étang de Lers, near Massat in the French Pyrenees; Lherz is the archaic spelling of this location. The Lherz massif also contains harzburgite and dunite, as well as layers of spinel pyroxenite, garnet pyroxenite, and hornblendite. The layers represent partial melts extracted from the host peridotite during decompression in the mantle long before emplacement into the crust. The Lherz massif is unique because it has been emplaced into Paleozoic carbonates (limestones and dolostones), which form mixed breccias of limestone-lherzolite around the margins of the massif.The Moon's lower mantle is said to be composed of lherzolite.".
- Lherzolite thumbnail Lherzolite_Lers.jpg?width=300.
- Lherzolite wikiPageID "2192510".
- Lherzolite wikiPageRevisionID "600449056".
- Lherzolite hasPhotoCollection Lherzolite.
- Lherzolite subject Category:Ultramafic_rocks.
- Lherzolite type NaturalObject100019128.
- Lherzolite type Object100002684.
- Lherzolite type PhysicalEntity100001930.
- Lherzolite type Rock109416076.
- Lherzolite type UltramaficRocks.
- Lherzolite type Whole100003553.
- Lherzolite comment "Lherzolite is a type of ultramafic igneous rock. It is a coarse grained rock consisting of 40 to 90% olivine along with significant orthopyroxene and lesser calcic chromium rich clinopyroxene. Minor minerals include chromium and aluminium spinels and garnets. Plagioclase can occur in lherzolites and other peridotites that crystallize at relatively shallow depths (20 – 30 km). At greater depth plagioclase is unstable and is replaced by spinel.".
- Lherzolite label "Lherzoliet".
- Lherzolite label "Lherzolite".
- Lherzolite label "Lherzolite".
- Lherzolite label "Lherzolite".
- Lherzolite label "Lherzolith".
- Lherzolite label "Лерцолит".
- Lherzolite label "二輝橄欖岩".
- Lherzolite sameAs Lherzolith.
- Lherzolite sameAs Lherzolita.
- Lherzolite sameAs Lherzolite.
- Lherzolite sameAs Lherzolite.
- Lherzolite sameAs Lherzoliet.
- Lherzolite sameAs m.06tvh0.
- Lherzolite sameAs Q1822510.
- Lherzolite sameAs Q1822510.
- Lherzolite sameAs Lherzolite.
- Lherzolite wasDerivedFrom Lherzolite?oldid=600449056.
- Lherzolite depiction Lherzolite_Lers.jpg.
- Lherzolite isPrimaryTopicOf Lherzolite.
