Websterite
Ultramafic and ultrabasic rock
Websterite is ultramafic igneous rock that consists of roughly equal proportions of orthopyroxene and clinopyroxene. It is a type of pyroxenite.
Websterite is named after the town Webster in North Carolina.[1]
References
- ^ Rogers, Nick; Stephen Blake; Kevin Burton; Mike Widdowson; Ian Parkinson; Nigel Harris (2008). An introduction to our dynamic planet. Cambridge: Cambridge Univ. Press. ISBN 978-0521494243.
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Types of rocks
- Adakite
- Andesite
- Alkali feldspar granite
- Anorthosite
- Aplite
- Basalt
- Basaltic trachyandesite
- Basanite
- Blairmorite
- Boninite
- Carbonatite
- Charnockite
- Dacite
- Diabase
- Diorite
- Dunite
- Essexite
- Foidolite
- Gabbro
- Granite
- Granodiorite
- Granophyre
- Harzburgite
- Hornblendite
- Hyaloclastite
- Icelandite
- Ignimbrite
- Ijolite
- Kimberlite
- Komatiite
- Lamproite
- Lamprophyre
- Latite
- Lherzolite
- Monzogranite
- Monzonite
- Nepheline syenite
- Nephelinite
- Norite
- Obsidian
- Pegmatite
- Peridotite
- Phonolite
- Phonotephrite
- Picrite
- Porphyry
- Pumice
- Pyroxenite
- Quartz diorite
- Quartz monzonite
- 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
- Diamictite
- Diatomite
- Dolomite
- Evaporite
- Flint
- Geyserite
- Greywacke
- Gritstone
- Itacolumite
- Jaspillite
- Laterite
- Lignite
- Limestone
- Lumachelle
- Marl
- Mudstone
- Oil shale
- Oolite
- Phosphorite
- Sandstone
- Shale
- Siltstone
- Sylvinite
- Tillite
- 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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