komatiitic
Look at other dictionaries:
Kambalda type komatiitic nickel ore deposits — Kambalda type nickel ore deposits are a class of magmatic nickel copper ore deposit in which the physical processes of komatiite volcanology serve to enrich, concentrate and deposit nickel bearing sulfide within the lava flow environment of an… … Wikipedia
Komatiite — Komatiites are ultramafic mantle derived volcanic rocks. They have low SiO2, low K2O, low Al2O3, and high to extremely high MgO. They were named for their type locality along the Komati River in South Africa. True komatiites are very rare and… … Wikipedia
Widgiemooltha Komatiite — The Widgiemooltha Komatiite is a formation of komatiite in the Yilgarn Craton of Western Australia. Stratigraphy The stratigraphy of the Widgiemooltha Komatiite is well known to be part of the regional komatiite magmatic event also seen at the… … Wikipedia
Emily Ann and Maggie Hays nickel mines — The Emily Ann and Maggie Hays nickel deposits are situated approximately 150km west of the town of Norseman, Western Australia, within the Lake Johnston Greenstone Belt [Hill R.E.T, Barnes S.J., Gole M.J., and Dowling S.E., 1990. Physical… … Wikipedia
Chalcopyrite — Twinned chacopyrite crystal from the Camp Bird Mine, Ouray County, Colorado (size:5.2 x 3.6 x 2.7 cm) General Category Sulfide mineral … Wikipedia
Ore genesis — The various theories of ore genesis explain how the various types of mineral deposits form within the Earth s crust. Ore genesis theories are very dependent on the mineral or commodity. Ore genesis theories generally involve three components:… … Wikipedia
Pilbara craton — The Pilbara craton (the Pilbara province in northwest Western Australia), along with the Kaapvaal craton (the Kaapvaal province of South Africa) are the only remaining areas of pristine Archaean 3.6 2.7 Ga crust on Earth. Similarities of their… … Wikipedia
Zimbabwe craton — The Zimbabwe craton is an example of Early Archaean lithology dating back to 3.5 Gigaannum Ga. in the southern African nation of Zimbabwe [Wilson, J.F., Nesbitt, R.W., Fanning, C.M., 1995. Zircon geochronology of Archaean felsic sequences in the… … Wikipedia
Hematite — For other uses, see Hematite (disambiguation). Hematite Hematite (blood ore) from Michigan (unknown scale) General Category … Wikipedia
Ore — For other uses, see Ore (disambiguation). Iron ore (Banded iron formation) … Wikipedia
