Wehrlite
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Content in this edit is translated from the existing German Wikipedia article at [[:de:Wehrlit]]; see its history for attribution.
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![](http://upload.wikimedia.org/wikipedia/commons/thumb/4/4d/Peridotite_Olivine-Orthopyroxene-Clinopyroxene_Wehrlite_highlighted.svg/300px-Peridotite_Olivine-Orthopyroxene-Clinopyroxene_Wehrlite_highlighted.svg.png)
Wehrlite is an ultramafic and ultrabasic rock that is a mixture of olivine and clinopyroxene. It is a subdivision of the peridotites.
The nomenclature allows up to a few percent of orthopyroxene. Accessory minerals include ilmenite, chromite, magnetite and an aluminium-bearing mineral (plagioclase, spinel or garnet).[1]
Wehrlites occur as mantle xenoliths and in ophiolites. Another occurrence is as cumulate in gabbro and norite layered intrusions.[1] Some meteorites can also be classified as wehrlites (e.g. NWA 4797).[2]
Wehrlite is named after Alois Wehrle.[3] He was born 1791 in Kroměříž, Czech Republic (then Kremsier in Mähren) and was a professor at the "Ungarische Bergakademie" (Hungarian Mining School) in Banská Štiavnica, Slovakia (then Schemnitz, Kingdom of Hungary).[4]
References
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- Adakite
- Andesite
- Alkali feldspar granite
- Anorthosite
- Aplite
- Basalt
- Basaltic trachyandesite
- Basanite
- Blairmorite
- Boninite
- Carbonatite
- Charnockite
- Dacite
- Diabase
- Diorite
- Dunite
- Essexite
- Foidolite
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- Granite
- Granodiorite
- Granophyre
- Harzburgite
- Hornblendite
- Hyaloclastite
- Icelandite
- Ignimbrite
- Ijolite
- Kimberlite
- Komatiite
- Lamproite
- Lamprophyre
- Latite
- Lherzolite
- Monzogranite
- Monzonite
- Nepheline syenite
- Nephelinite
- Norite
- Obsidian
- Pegmatite
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- Phonolite
- Phonotephrite
- Picrite
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- Quartz diorite
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- Quartzolite
- Rhyodacite
- Rhyolite
- Scoria
- Shonkinite
- Sovite
- Syenite
- Tachylyte
- Tephriphonolite
- Tephrite
- Tonalite
- Trachyandesite
- Trachybasalt
- Trachyte
- Troctolite
- Trondhjemite
- Tuff
- Websterite
- Wehrlite
- Argillite
- Arkose
- Banded iron formation
- Breccia
- Calcarenite
- Chalk
- Chert
- Claystone
- Coal
- Conglomerate
- Coquina
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- Flint
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- Sylvinite
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- Travertine
- Tufa
- Turbidite
- Varve
- Wackestone
- Adamellite
- Appinite
- Aphanite
- Borolanite
- Blue Granite
- Epidosite
- Felsite
- Flint
- Ganister
- Gossan
- Hyaloclastite
- Ijolite
- Jadeitite
- Jasperoid
- Kenyte
- Lapis lazuli
- Larvikite
- Litchfieldite
- Llanite
- Luxullianite
- Mangerite
- Novaculite
- Pietersite
- Pyrolite
- Rapakivi granite
- Rhomb porphyry
- Rodingite
- Shonkinite
- Taconite
- Tachylite
- Teschenite
- Theralite
- Unakite
- Variolite
- Wad
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