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websterite
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websterite
▪ I. websterite1 Min. (ˈwɛbstəraɪt) [Named in 1822 after T. Webster, who discovered it: see -ite.] A synonym of aluminite.1823 H. J. Brooke Crystallogr. 452. 1837 Dana Min. 450. 1855 J. Phillips Man. Geol. 386.▪ II. websterite2 Petrogr. (ˈwɛbstəraɪt) [f. Webster, name of a village in N. Carolina + -...
Oxford English Dictionary
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Websterite
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.
References
Plutonic rocks
Ultramafic rocks
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Thomas Webster (geologist)
The mineral websterite now known as aluminite was named after him.
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aluminite
aluminite Min. (əˈl(j)uːmɪnaɪt) [mod. (Ger. aluminit 1807) f. L. alūmin- alum + -ite min. form.] An opaque, whitish mineral, a native hydrosulphate of alumina, called also websterite1.1868 Watts Dict. Chem. (1871) V. 579 The tribasic sulphate [of aluminium], 3Al2O3.SO3.9H2O, occurs native as alumini...
Oxford English Dictionary
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hallite
hallite Min. (ˈhælaɪt) [Named from Halle in Germany.] A synonym of Aluminite or Websterite.1837 Dana Min. 1872 Watts Dict. Chem. III. 6.
Oxford English Dictionary
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Aluminite
It is also known as alley stone, halite and websterite (named after Orcadian geologist Thomas Webster).
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Pyroxenite
Distribution
They frequently occur in the form of dikes or segregations in gabbro and peridotite: in Shetland, Cortland on the Hudson River, North Carolina (websterite
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Henry Gardner
He was a moderately conservative Websterite Whig who was involved in the state party organization, serving on its central organizing committee. He also switched from a moderate Websterite position on slavery to an abolitionist stance, and supported positions on prohibition of alcohol that he had
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Lac des Îles igneous complex
The complex includes gabbro, pyroxenite, gabbronorite and websterite intrusive into granitic gneiss country rock.
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典型地区
Copperfields Mine);
英云闪长岩(onalite):托纳莱山口(Tonale Pass);
奥长花岗岩(Trondhjemite): 挪威斯特伦福尔斯塔德(Follstad);
沥青铀矿:奥匈帝国约阿希姆斯塔尔(Joachimsthal),现在的捷克共和国亚希莫夫;
二辉岩(Websterite
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Great Dyke
Below the Ultramafic-Mafic sequences' contact, and in the uppermost pyroxenite (bronzitite and websterite) units are economic concentrations of nickel,
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Type locality (geology)
, California
Tonalite: Tonale Pass
Trondhjemite: Follstad, Støren, Norway
Uraninite: Joachimsthal, Austria-Hungary (now Jáchymov, Czech Republic)
Websterite
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Northern Cordilleran Volcanic Province
They consist of lherzolite, harzburgite, wehrlite, dunite, websterite and garnet composed pyroxenite.
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Mount Morning
Spinel peridotite and less commonly clinopyroxenite, dunite, harzburgite, lherzolite, norite, pyroxenite and websterite have been reported as xenoliths
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Bayuda volcanic field
found, including garnet-containing clinopyroxenite, harzburgite, garnet hornblendite, amphibole-containing peridotite, olivine and spinel pyroxenite and websterite
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