The Stillwater igneous complex is a large layered mafic intrusion (LMI) located in southern Montana in Stillwater, Sweet Grass and Park Counties. The...
7 KB (866 words) - 02:24, 21 June 2024
Chromitite (category Igneous petrology stubs)
intrusions such as the Bushveld Igneous Complex in South Africa, the Stillwater igneous complex in Montana and the Ring of Fire discovery in Ontario. Chromitite...
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Norite (category Igneous petrology)
as in the Bushveld Igneous Complex in South Africa, the Skaergaard igneous complex of Greenland, and the Stillwater igneous complex in Montana. Norite...
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Sill (geology) (redirect from Igneous sill)
the Great Dyke complexes of southern Africa; and the Duluth intrusive complex along Lake Superior, and the Stillwater igneous complex of the United States...
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Stillwater, Minnesota Stillwater County, Montana Stillwater igneous complex Stillwater, Nevada Stillwater, New Jersey Stillwater, New York Stillwater...
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olivinite (not to be confused with the mineral olivenite), is an intrusive igneous rock of ultramafic composition and with phaneritic (coarse-grained) texture...
6 KB (717 words) - 15:24, 26 May 2025
Igneous textures include the rock textures occurring in igneous rocks. Igneous textures are used by geologists in determining the mode of origin of igneous...
3 KB (419 words) - 02:41, 4 March 2025
The Bushveld Igneous Complex (BIC) is the largest layered igneous intrusion within the Earth's crust. It has been tilted and eroded forming the outcrops...
64 KB (7,355 words) - 20:20, 22 May 2025
of bronzite composition, is noted in the cumulate rocks of the Stillwater igneous complex of Montana. Bronzite is sometimes cut and polished, usually in...
4 KB (525 words) - 02:29, 21 June 2024
the mineral and chromitite, a rock containing chromite). The Stillwater Igneous Complex in Montana also contains significant chromite. Chromite suitable...
27 KB (2,955 words) - 10:40, 25 May 2025
Troctolite (category Igneous petrology stubs)
magmatic sulfide deposit of northern Labrador, the Stillwater igneous complex of Montana, the Duluth Complex of the North American Midcontinent Rift, and the...
3 KB (338 words) - 08:55, 8 June 2025
segregations in layered igneous intrusions such as Bushveld, the Stillwater igneous complex, the Lac des Îles igneous complex, the island of Rùm intrusive...
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(platinum group metals or PGMs) from a geological formation in the Stillwater igneous complex in south central Montana known as the J-M Reef and from the recycling...
6 KB (647 words) - 18:51, 12 November 2024
Bushveld complex, is the world's largest producer of platinum, followed by Russia. Platinum and palladium are also mined commercially from the Stillwater igneous...
27 KB (2,764 words) - 10:54, 2 June 2025
cumulate harzburgite is the Stillwater igneous complex of Montana, U.S.A. It is also found in the Bushveld Igneous Complex, a large layered intrusion in...
4 KB (506 words) - 11:20, 20 March 2025
the norite belt of the Bushveld Igneous Complex covering the Transvaal Basin in South Africa; the Stillwater Complex in Montana, United States; the Sudbury...
64 KB (6,897 words) - 22:34, 9 June 2025
Stillwaterite was first discovered in the Banded and Upper zones of the Stillwater igneous complex in Montana, United States, and has been reported in the Lac-des-Iles...
4 KB (430 words) - 23:52, 29 December 2023
Bushveld complex of South Africa. It is also found in Isa Valley, Western Australia. In the US it is found in the Stillwater igneous complex of Montana;...
5 KB (336 words) - 06:04, 2 March 2025
be found on the north shore of Lake Superior. In Montana, the Stillwater igneous complex is a prominent location for the mineral. Lizardite has a type...
10 KB (989 words) - 02:48, 20 March 2025
Gold is also produced from three platinum mines in the Stillwater igneous complex: the Stillwater mine, the Lodestar mine, and the East Boulder Project...
37 KB (4,626 words) - 11:04, 8 June 2025
corner of the state, and by two platinum mines in the Stillwater igneous complex: the Stillwater mine and the East Boulder project. The first commercial...
49 KB (6,340 words) - 11:04, 8 June 2025
phaneritic (coarse-grained and magnesium- and iron-rich), mafic intrusive igneous rock formed from the slow cooling magma into a holocrystalline mass deep...
19 KB (2,320 words) - 17:26, 18 October 2024
Layered intrusion (category Igneous rocks)
Skaergaard intrusion of east Greenland Stillwater igneous complex, southwestern Montana, United States Trompsburg complex, South Africa Windimurra intrusion...
21 KB (2,464 words) - 21:30, 22 May 2025
Beartooth Mountains (category Landforms of Stillwater County, Montana)
years old, making these rocks among the oldest on Earth. The Stillwater igneous complex within the mountains is the location of the largest known deposits...
11 KB (1,277 words) - 22:27, 3 June 2025
National Natural Landmark Mono-Inyo Craters Rio Grande Gorge Stillwater igneous complex Sudbury Basin Obituary at legacy.com, retrieved Jan. 15, 2014...
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intrusions are rare worldwide—examples include the stillwater igneous complex and Bushveld Igneous Complex—but Seiland's gabbro is unique in occurring within...
9 KB (787 words) - 06:33, 18 April 2025
addition to the discovery locality, it has been reported from the Stillwater igneous complex in Montana and the New Rambler copper–nickel mine in the Medicine...
3 KB (195 words) - 08:28, 23 August 2024
Malanjkhand copper-molybdenum deposit, Madhya Pradesh, India; and the Stillwater igneous complex in Montana, US. Mooihoekite occurs in association with haycockite...
4 KB (330 words) - 21:14, 1 September 2023
Granitic rock core from Stillwater igneous complex, Montana (from a spoil pile)....
16 KB (2,244 words) - 01:52, 4 November 2024
Anorthosite (/əˈnɔːrθəsaɪt/) is a phaneritic, intrusive igneous rock characterized by its composition: mostly plagioclase feldspar (90–100%), with a minimal...
28 KB (3,272 words) - 14:50, 27 May 2025