greenstone belts

greenstone belts

[′grēn‚stōn ‚belts]
(geology)
Oceanic and island arclike sequences that are similar to, and run to the south and north of, the Swaziland System.
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References in periodicals archive ?
The Company holds tenements prospective for gold mineralisation in Ghana in two granite-greenstone belts: the Bolgatanga Project and the Namdini Gold Project ("Namdini Gold Project" or "Namdini"), which are, respectively, located within the Greenstone Belts in northeast Ghana and the Subranum Project, which is located within the Sefwi Greenstone Belt.
Hence, the company has upside potential given its impressive portfolio of over 6,000 square kilometres of highly prospective ground on the West African Birimian greenstone belts.
Bonterra is a gold exploration company with assets in the Archean greenstone belts in the Canadian Shield.
The Property consists of 9 mining leases and 6 mineral claims totalling 717 hectares located in the eastern part of the Kidd-Munro assemblage of the Abitibi Greenstone Belt. The Abitibi greenstone belt is one of the largest, best-preserved, and mineral-rich greenstone belts in the world.
Arian is confident that obtaining this Exploration License will result in supreme value to its shareholders as it expands its operations in Albania and the Balkan region."Based on the geological, geochemical and geophysical results obtained to date, Arian has unearthed what appears to be a new gold-bearing greenstone belt. Where suitable tectonic and intrusive activity has occurred greenstone belts can contain substantial gold deposits.
A majority of the drilling was conducted in the first half of 2012 and was focussed on the Company's South Hounde Project in the south-west of Burkina Faso, where it holds exploration rights to around 1600 square kilometres of prospective ground on the Hounde and Boromo greenstone belts.
He discusses the impact of meteors, the geology of shield areas and their associated rocks and minerals, pegmatite and pegmatite minerals, early minerals and rocks associated with the formation of the atmosphere, unusual minerals linked to early limestone-like rocks, greenstone belts and their connection to the earth's gold deposits, marble and quartz, and xenoliths in igneous granite.
Light rare earth element depleted to enriched basaltic flows from 2.8 to 2.7 Ga greenstone belts of the Uchi Subprovince, Ontario, Canada.
Komatiites are ultramafic volcanic rocks that occur mainly in Archean and Paleoproterozoic greenstone belts. These olivine-rich rocks are assumed to have crystallized from magmas that have about 28-30 wt% MgO.
Specific topics include strike-slip fault, terminal moraine, tsunami, weathering, Yellowstone National Park, mass wasting, Kaapvaal craton, ichnofossils, greenstone belts, geodesy, El Nino, desalination, carbon cycle, and aa lava.
Neighbouring Wisconsin's better-explored greenstone belts are perhaps the most productive and prospective in the world for volcanogenic massive sulphide deposits.
Geochemical studies of host rocks and mineralized occurrences in Archean greenstone belts in the western Churchill Province, Nunavut have been an important component of the metallogenic investigations.