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The Barberton Greenstone belt was first uniquely identified by Prof Annhauser at the University of the Witwatersrand, Johannesburg. His work in mapping and detailing the characteristics of the Barberton Greenstone belt has been used as a primer for other greenstone belts around the world.
The Isua Greenstone Belt is an Archean greenstone belt in southwestern Greenland, aged between 3.7 and 3.8 billion years. [2] The belt contains variably metamorphosed mafic volcanic and sedimentary rocks , and is the largest exposure of Eoarchaean supracrustal rocks on Earth. [ 3 ]
The Barberton Greenstone Belt is a geologic formation situated on the eastern edge of the Kaapvaal Craton in South Africa. It is known for its gold mineralisation and for its komatiites , an unusual type of ultramafic volcanic rock named after the Komati River that flows through the 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 pieces of continental crust today by containing rocks in the Barberton Granite Greenstone Terrain (3.55–3.22 Ga).
The Barberton Greenstone Belt is located on the Kaapvaal craton, which covers much of the southeastern part of Africa, and was formed by the emplacement of granitoid batholiths. [7] The Kaapvaal craton was once part of a supercontinent geologists term Vaalbara that also included the Pilbara craton of western Australia. [ 7 ]
Hope Bay greenstone belt (Nunavut) Hunt River greenstone belt (Newfoundland and Labrador) Nuvvuagittuq Greenstone Belt (Quebec) Red Lake greenstone belt (Ontario) Rice Lake greenstone belt (Manitoba) Swayze greenstone belt (Ontario) Temagami Greenstone Belt (Ontario) Yellowknife greenstone belt (Northwest Territories)
Eoarchean geology is the study of the oldest preserved crustal fragments of Earth during the Eoarchean era from 4.031 to 3.6 billion years ago. Major well-preserved rock units dated to this era are known from three localities, the Isua Greenstone Belt in Southwest Greenland, the Acasta Gneiss in the Slave Craton in Canada, and the Nuvvuagittuq Greenstone Belt in the eastern coast of Hudson Bay ...
Location of the Barberton Greenstone Belt The Moodies Group is a geological formation in South Africa and Eswatini . [ 1 ] [ 2 ] It has the oldest well-preserved siliciclastic tidal deposits on Earth, where microbial mats flourished.
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