Greenstone belts are zones of variably metamorphosed mafic to ultramafic volcanic sequences with associated sedimentary rocks that occur within Archaean...
13 KB (1,418 words) - 04:00, 25 August 2024
The Barberton Greenstone Belt is situated on the eastern edge of the Kaapvaal Craton in South Africa. It is known for its gold mineralisation and for...
16 KB (2,046 words) - 20:19, 17 June 2024
The Isua Greenstone Belt is an Archean greenstone belt in southwestern Greenland, aged between 3.7 and 3.8 billion years. The belt contains variably metamorphosed...
36 KB (4,094 words) - 10:48, 29 November 2023
The Nuvvuagittuq Greenstone Belt (NGB; Inuktitut: [nuv.vu.a.git.tuq]) is a sequence of metamorphosed mafic to ultramafic volcanic and associated sedimentary...
14 KB (1,610 words) - 19:47, 25 February 2024
The Abitibi greenstone belt is a 2,800-to-2,600-million-year-old greenstone belt that spans across the Ontario–Quebec border in Canada. It is mostly made...
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Kaapvaal Craton (section Barberton greenstone belt)
Eswatini granite-greenstone terrane situated in the southeastern part of the craton." Archean life in the Barberton Greenstone Belt – Some of the most...
10 KB (1,290 words) - 12:43, 17 June 2024
greenstone belts Hounde greenstone belt Boromo greenstone belt Kilo-Moto Lufico - Cabinda Cassinga Barberton greenstone belt Pietersberg greenstone belt...
3 KB (283 words) - 23:46, 27 August 2024
The Temagami Greenstone Belt (TGB) is a small 2.7 billion year old greenstone belt in the Temagami region of Northeastern Ontario, Canada. It represents...
58 KB (7,670 words) - 22:21, 27 June 2024
Craton (redirect from Schreiber-Hemlo greenstone belt)
Y.; Condie, Kent C. (2001). "Archean mantle plumes: Evidence from greenstone belt geochemistry". Mantle Plumes: Their Identification Through Time. doi:10...
23 KB (2,569 words) - 05:11, 19 May 2024
jade and similar stones Greenstone belt, Archean and Proterozoic volcanic–sedimentary rock sequences Isle Royale greenstone Chlorastrolite, found in...
1 KB (219 words) - 10:19, 15 July 2023
Swayze greenstone belt further south is interpreted to be a southwestern extension of the Abitibi greenstone belt. The Archean Red Lake greenstone belt in...
17 KB (1,821 words) - 06:13, 31 May 2023
The Central Lapland Greenstone Belt (CLGB) is a greenstone belt located in the northern part of the Fennoscandian Shield. The region belongs to Lapland...
2 KB (221 words) - 18:24, 19 April 2024
Volcanism of Canada (section Greenstone belts)
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) - 07:33, 3 September 2024
craton. The Marda–Diemals greenstone belt in the Southern Cross Terrane can be divided into three layers: the lower greenstone belt (ca. 3.0 Ga) characterized...
24 KB (3,243 words) - 00:31, 7 May 2024
continent. The oldest BIFs are associated with greenstone belts and include the BIFs of the Isua Greenstone Belt, the oldest known, which have an estimated...
67 KB (7,112 words) - 23:53, 3 September 2024
evaporitic precipitation then deposited on the sea floor. The Barberton Greenstone Belt, located in the Kaapvaal Craton, also contains evidence of life. It...
12 KB (1,054 words) - 22:53, 26 August 2024
The Ecstall Greenstone Belt is a north-northwest trending greenstone belt in northwestern British Columbia, Canada. It is located in the Kitimat Ranges...
1 KB (141 words) - 18:01, 28 July 2021
The Flin Flon greenstone belt, also referred to as the Flin Flon – Snow Lake greenstone belt, is a Precambrian greenstone belt located in the central area...
3 KB (326 words) - 14:57, 24 August 2021
The South Pass greenstone belt (2.8 Ga) is located within the Wyoming craton in the US. The region was the site of Wyoming's initial gold discovery in...
13 KB (1,851 words) - 05:39, 12 May 2020
Swayze greenstone belt is a late Archean greenstone belt in northern Ontario, Canada. It is the southwestern extension of the Abitibi greenstone belt. Volcanism...
698 bytes (58 words) - 05:06, 9 July 2019
Metamorphic rock (section Granite-greenstone belts)
(over 2500 million years old), mostly belong to granite-greenstone belts. The greenstone belts contain metavolcanic and metasedimentary rock that has undergone...
37 KB (4,414 words) - 09:37, 11 March 2024
contains migmatitic TTG gneisses, and the eastern block contains 2.7 Ga greenstone belts and calc-alkaline plutons. The formation of the basement rock of the...
39 KB (3,535 words) - 01:37, 6 August 2024
The Yellowknife greenstone belt, also called the Yellowknife Volcanic Belt, is an Archean greenstone belt in the southern Slave craton, Northwest Territories...
2 KB (158 words) - 17:38, 9 January 2024
Abitibi gold belt is a region of Canada that extends from Wawa, Ontario to Val-d'Or, Quebec. Located within the mineral-rich Abitibi greenstone belt, the gold...
13 KB (1,229 words) - 20:46, 14 September 2024
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) - 20:48, 20 May 2024
The Hope Bay greenstone belt, also called the Hope Bay volcanic belt, is a 42 km (26 mi) long Archean greenstone belt in western portion of Kivalliq Region...
1 KB (97 words) - 22:20, 1 July 2023
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 (3,531 words) - 22:52, 12 September 2024
remainder in neighbouring Eswatini. It constitutes 40% of the Barberton Greenstone Belt. The area ranges in altitude from 600 to 1,800 metres (2,000 to 5,900 ft)...
8 KB (614 words) - 01:59, 17 July 2023
mafic and ultramafic greenstone belt rocks, intrusive granitic dome structures, and volcanic sedimentary rocks. These greenstone belts worldwide are thought...
13 KB (1,456 words) - 06:30, 22 June 2024
Algoman orogeny (section Greenstone)
and sedimentary rocks called greenstone belts.: 31 Most Archean volcanic rocks are concentrated within greenstone belts;: 45 the green color comes from...
31 KB (3,636 words) - 10:35, 28 August 2024