• 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 belt Mauken greenstone belt Harris greenstone belt (Australia) Jack Hills greenstone belt (Australia) Norseman-Wiluna greenstone belt (Australia)...
    3 KB (283 words) - 02:18, 2 June 2023
  • Thumbnail for Geologic time scale
    of planet formation. Jack Hillsian or Zirconian Era/Erathem (4404–4030 Ma) – both names allude to the Jack Hills Greenstone Belt which provided the oldest...
    172 KB (9,395 words) - 04:29, 22 April 2024
  • Thumbnail for Yilgarn Craton
    mixture of sedimentary basins and Proterozoic fold and thrust belts. Zircon grains in the Jack Hills, Narryer Terrane have been dated at ~4.27 Ga, with one detrital...
    24 KB (3,249 words) - 09:33, 26 March 2024
  • Thumbnail for Oldest dated rocks
    latest research, either part of the Isua Greenstone Belt, Narryer Gneiss Terrane, Nuvvuagittuq Greenstone Belt, Napier Complex, or the Acasta Gneiss (on...
    18 KB (2,148 words) - 15:12, 26 March 2024
  • Thumbnail for Hadean zircon
    Jack Hills, Australia, scientists obtained a relatively comprehensive record of Hadean zircon crystals in contrast to other locations. The Jack Hills...
    44 KB (3,785 words) - 15:55, 27 September 2023
  • Thumbnail for Volcanism of Canada
    Swayze greenstone belt further south is interpreted to be a southwestern extension of the Abitibi greenstone belt. The Archean Red Lake greenstone belt in...
    136 KB (13,419 words) - 22:00, 23 April 2024
  • Renosterkoppies Greenstone Belt forms on the northern edge of the Kaapvaal Craton. c. 2,736 Ma – Formation of the Temagami Greenstone Belt in Temagami, Ontario...
    64 KB (7,668 words) - 13:29, 20 January 2024
  • belt. The Napier Mountains in Antarctica are of similar age. The Isua greenstone belt contains the oldest, well-preserved, supracrustals, dated at 3.8–3...
    3 KB (295 words) - 18:42, 22 July 2023
  • conglomerate in the Jack Hills of the Narryer Gneiss Terrane of Western Australia. The earliest supracrustals (such as the Isua greenstone belt) date from the...
    13 KB (1,261 words) - 09:15, 7 March 2024
  • Thumbnail for Late Heavy Bombardment
    largest terrestrial meteor impact event to date near the Barberton Greenstone Belt. They estimated the impact occurred about 3.26 billion years ago and...
    44 KB (5,527 words) - 01:02, 4 February 2024
  • Thumbnail for Basalt
    Lowrey, Jack R.; Morris, Paul A.; Barnes, Stephen J.; Wyche, Stephen; Lu, Yong-Jun (April 2018). "Two distinct origins for Archean greenstone belts". Earth...
    69 KB (7,757 words) - 15:00, 25 April 2024
  • Thumbnail for Earliest known life forms
    biologically fractionated graphite inside a single zircon grain in the Jack Hills range of Australia. The earliest evidence of life found in a stratigraphic...
    70 KB (6,978 words) - 05:58, 19 March 2024
  • Archean: a period defined by the first crustal formations (the Isua greenstone belt) until the deposition of banded iron formations due to increasing atmospheric...
    33 KB (3,519 words) - 20:03, 24 April 2024
  • Thumbnail for Narryer Gneiss Terrane
    oldest known samples of the Earth's crust: samples of zircon from the Jack Hills portion of the Narryer Gneiss have been radiometrically dated at 4.4 billion...
    9 KB (1,184 words) - 22:33, 24 April 2024
  • Thumbnail for Stardust the Super Wizard
    (2008), Concetta20. Andrew Greenstone (w,a). "Stardust Destroys the Earth", stardust-super-wizard.tumblr (2017), Andrew Greenstone Comics and Illustration...
    65 KB (4,693 words) - 04:56, 16 October 2023
  • Australia. Norseman lies at the southern end of the Norseman-Wiluna Greenstone Belt, in the Eastern Goldfields Province of the Yilgarn Block, Western Australia...
    13 KB (1,140 words) - 04:01, 26 February 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
  • (2003). "Tectonic evolution and gold metallogeny of the Lynn Lake greenstone belt, Manitoba (NTS 64C10, 11, 12, 14, 15 and 16)" (PDF). Manitoba Geological...
    4 KB (270 words) - 16:35, 10 September 2023
  • Thumbnail for Littoral cone
    California, while Archean littoral cones may have formed in the Barberton Greenstone Belt of South Africa. Fisher 1968, p. 839. Richard V. Fisher; Hans-Ulrich...
    16 KB (1,802 words) - 11:18, 19 April 2024
  • Thumbnail for Soweto
    Metropolitan Municipality in Gauteng, South Africa, bordering the city's mining belt in the south. Its name is an English syllabic abbreviation for South Western...
    68 KB (7,404 words) - 07:39, 11 April 2024
  • Greenstone Mountain Provincial Park is a provincial park in British Columbia, Canada, located south of Kamloops Lake on the northern edge of the Thompson...
    1 KB (55 words) - 10:37, 30 April 2022
  • 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
  • Thumbnail for Yaaguun Suu Conservancy
    River Copper Johnny Cornwall Hills Downing Dunn Peak Eakin Creek Canyon Eakin Creek Floodplain Edge Hills Elephant Hill Emar Lakes Epsom Finn Creek Flat...
    2 KB (76 words) - 18:05, 26 June 2023
  • Thumbnail for Atna River Provincial Park
    River Copper Johnny Cornwall Hills Downing Dunn Peak Eakin Creek Canyon Eakin Creek Floodplain Edge Hills Elephant Hill Emar Lakes Epsom Finn Creek Flat...
    2 KB (139 words) - 16:25, 7 March 2024
  • Thumbnail for Butchart Gardens
    River Copper Johnny Cornwall Hills Downing Dunn Peak Eakin Creek Canyon Eakin Creek Floodplain Edge Hills Elephant Hill Emar Lakes Epsom Finn Creek Flat...
    10 KB (1,151 words) - 15:47, 11 February 2024
  • Thumbnail for History of Earth
    terranes. The first are so-called greenstone belts, consisting of low-grade metamorphosed sedimentary rocks. These "greenstones" are similar to the sediments...
    150 KB (16,266 words) - 09:59, 19 February 2024
  • Thumbnail for Goa
    traces of human life in India. Goa, situated within the Shimoga-Goa Greenstone Belt in the Western Ghats (an area composed of metavolcanics, iron formations...
    115 KB (11,563 words) - 12:12, 25 April 2024
  • Thumbnail for Craigdarroch Castle
    River Copper Johnny Cornwall Hills Downing Dunn Peak Eakin Creek Canyon Eakin Creek Floodplain Edge Hills Elephant Hill Emar Lakes Epsom Finn Creek Flat...
    7 KB (613 words) - 15:54, 6 February 2024
  • River Copper Johnny Cornwall Hills Downing Dunn Peak Eakin Creek Canyon Eakin Creek Floodplain Edge Hills Elephant Hill Emar Lakes Epsom Finn Creek Flat...
    2 KB (112 words) - 02:55, 17 December 2023