• Thumbnail for Greenstone belt
    Greenstone belts are zones of variably metamorphosed mafic to ultramafic volcanic sequences with associated sedimentary rocks that occur within Archaean...
    12 KB (1,366 words) - 04:09, 26 February 2024
  • greenstone belts Hounde greenstone belt Boromo greenstone belt Kilo-Moto Lufico - Cabinda Cassinga Barberton greenstone belt Pietersberg greenstone belt...
    3 KB (283 words) - 02:18, 2 June 2023
  • Thumbnail for Tectonic evolution of the Barberton greenstone belt
    The Barberton greenstone belt (BGB) is located in the Kapvaal craton of southeastern Africa. It characterizes one of the most well-preserved and oldest...
    11 KB (1,433 words) - 22:20, 22 July 2023
  • drilling near the northern end of the Fowler Domain and within the Harris Greenstone Belt has identified numerous large mafic and ultramafic bodies which...
    8 KB (965 words) - 01:57, 13 January 2022
  • Thumbnail for Supervolcano
    supervolcanoes, such as the Blake River Megacaldera Complex in the Abitibi greenstone belt of Ontario and Quebec, Canada. Though there is no well-defined minimum...
    28 KB (2,445 words) - 11:14, 19 April 2024
  • Thumbnail for Isle Royale
    southwest-to-northeast. The main ridge, Greenstone Ridge, is over 1,000 feet (300 m) in many places. Greenstone belts are exposed, with rounded stones of...
    25 KB (2,944 words) - 18:32, 9 April 2024
  • Thumbnail for Juneau gold belt
    gold mines in the Juneau belt occur in the band of black slate which lies between the schists to the northeast and the greenstones to the southwest. "The...
    9 KB (1,032 words) - 08:45, 6 July 2022
  • Arisaig Gardens Canisp Crescent Dornie Place Durness Terrace Greenstone Place Greenstone Terrace Ledmore Terrace Lochinver Crescent Mallaig Avenue Peterburn...
    3 KB (285 words) - 07:29, 25 February 2024
  • Thumbnail for Basalt
    usually only found in fold and thrust belts, and are often heavily metamorphosed. These are known as greenstone belts, because low-grade metamorphism of...
    68 KB (7,707 words) - 23:14, 28 February 2024
  • Thumbnail for Northeast Georgia
    third of the age of South Africa's 3.6 billion year old Barberton greenstone belt.). The mountains in this region are also a part of the vast system...
    6 KB (609 words) - 02:06, 18 March 2024
  • Thumbnail for Komatiite
    other ultramafic and high-magnesian mafic volcanic rocks in Archaean greenstone belts. The youngest komatiites are from the island of Gorgona on the Caribbean...
    27 KB (3,374 words) - 02:19, 7 April 2024
  • Thumbnail for List of orogenies
    is a belt of high-grade gneisses formed in a regime of strong mobility, while the other is a region of granitoid intrusions and greenstone belts surrounded...
    21 KB (1,908 words) - 16:17, 7 April 2024
  • Thumbnail for Kimberlite
    Bibcode:1994JGSoc.151..747C. doi:10.1144/gsjgs.151.5.0747. ISSN 0016-7649. Stachel, T.; Harris, J.W. (September 2008). "The origin of cratonic diamonds — Constraints from...
    30 KB (3,578 words) - 02:59, 19 April 2024
  • Thumbnail for Drakensberg Group
    Planetary Flood Volcanism. American Geophysical Union. ISBN 9780875900827. Harris, C.; Marsh, J. S.; Duncan, A. R.; Erlank, A. J. (1 April 1990). "The Petrogenesis...
    12 KB (1,254 words) - 00:04, 26 April 2022
  • Thumbnail for Silicification
    S2CID 201676002. Hofmann, Axel; Harris, Chris (December 2008). "Silica alteration zones in the Barberton greenstone belt: A window into subseafloor processes...
    31 KB (3,436 words) - 12:04, 27 September 2023
  • Thumbnail for Water
    from the Isua Greenstone Belt and provides evidence that water existed on Earth 3.8 billion years ago. In the Nuvvuagittuq Greenstone Belt, Quebec, Canada...
    165 KB (19,424 words) - 20:20, 18 April 2024
  • Thumbnail for Isle Royale National Park
    southwest-to-northeast. The main ridge, Greenstone Ridge, is over 1,000 ft (300 m) in many places. Greenstone belts are exposed, with rounded stones of chlorastrolite...
    50 KB (5,349 words) - 23:05, 11 April 2024
  • built, is hoped to be the first mine to produce gold from the Tera greenstone belt which surrounds Koma Bangou, the country's largest artisanal mining...
    8 KB (899 words) - 20:24, 16 December 2023
  • Thumbnail for Andesite
    ultramafic-mafic assemblage and associated volcanic rocks of the Boromo greenstone belt: fractionates originating from island-arc volcanic activity in the...
    25 KB (2,761 words) - 14:38, 2 March 2024
  • Thumbnail for Geography of Western Australia
    Yilgarn Craton characterises Coolgardie, with Archaean Greenstone intrusions in parallel belts. Drainage is arheic and occluded. Mallees and scrubs are...
    57 KB (5,765 words) - 15:54, 16 April 2024
  • Thumbnail for Ocean
    from the Isua Greenstone Belt and provides evidence that water existed on Earth 3.8 billion years ago. In the Nuvvuagittuq Greenstone Belt, Quebec, Canada...
    128 KB (17,470 words) - 06:23, 16 April 2024
  • Thumbnail for Beijing
    Archived from the original on 7 March 2022. Retrieved 2 December 2016. Greenstone, Michael (12 March 2018). "Four Years After Declaring War on Pollution...
    225 KB (20,125 words) - 21:32, 18 April 2024
  • Thumbnail for Chatham County, North Carolina
    operating there and in Brickhaven. 3M operates a greenstone mine south of Pittsboro along US 15-501. Greenstone is processed to manufacture roofing-shingle...
    48 KB (4,607 words) - 23:50, 9 April 2024
  • Thumbnail for Treadwell gold mine
    Island consists of a belt of volcanic greenstones next to Stephens Passage, which alternate with slate before the transitioning into a belt of slate next to...
    14 KB (1,725 words) - 19:43, 25 September 2023
  • Thumbnail for Fossil
    biofilms in hydrothermally influenced sediments from the Barberton greenstone belt, South Africa". Precambrian Research. 106 (1–2): 93–116. Bibcode:2001PreR...
    104 KB (10,815 words) - 10:32, 18 April 2024
  • Thumbnail for Bushveld Igneous Complex
    angloamericanplatinum.com. Wesseldijk, Q.I; Reuter, M.A; Bradshaw, D.J; Harris, P.J (1999-10-01). "The flotation behaviour of chromite with respect to...
    55 KB (6,271 words) - 09:14, 11 April 2024
  • chert dike formation triggered by asteroid impact, ~3.26 Ga, Barberton greenstone belt, South Africa". Geochemistry, Geophysics, Geosystems. 159 (4): 1045–1070...
    130 KB (10,037 words) - 00:20, 7 April 2024
  • Thumbnail for 2021 in science
    in "a paleo-subseafloor hydrothermal vein system of the Barberton greenstone belt in South Africa." Astronomers report the detection, for the first time...
    297 KB (38,840 words) - 21:33, 8 April 2024
  • Bhadaidh Daraich (Scourie, Sutherland) Loch a' Bhaid Ghainmheich (south of Greenstone Point, Wester Ross) Loch a' Bhaid-luachraich (southeast of Aultbea, Wester...
    91 KB (9,168 words) - 11:48, 2 April 2024
  • Thumbnail for Māori culture
    Kerikeri for obsidian (volcanic glass); prospectors soon found pounamu (greenstone or jade) and pakohe (argillite) resources in the South Island in the areas...
    145 KB (16,713 words) - 23:19, 13 March 2024