Orion's Belt: Stars, Facts, Location, Myths – Constellation Guide
Mintaka, also known as δ Orionis (Delta Orionis) or 34 Orionis, is the westernmost star of the Orion's Belt. It is a binary star approximately 916 light years from Earth. It has an apparent magnitude of 2.21 and an absolute magnitude of -4.99. It is 90,000 times more luminous and 20 times more massive than the Sun.
اقرأ أكثرHomepage | The Platinum Belt
The photographic narrative that resulted constitutes an in-depth investigation into the human, social, environmental, economic and health costs of platinum mining, documenting the communities that have grown among and straddle the northern, eastern and western limbs that make up the "platinum belt" or "Bushveld Complex".
اقرأ أكثرAfrica - Metallic deposits | Britannica
In Southern Africa most iron ore reserves lie in South Africa itself. The chief deposits are at Postmasburg, in the Bushveld Complex, at Thabazimbi, and in the vast low-grade deposits of Pretoria. There are also substantial reserves in Zimbabwe.
اقرأ أكثرArchaean lode gold mineralisation in banded iron …
The Kalahari Goldridge Mine is located within the Archaean Kraaipan Greenstone Belt, about 60 km southwest of Mafikeng in the North West Province, South Africa. The ore body thickness varies from 15 to 45 m along a strike length of about 1.5 km within approximately N–S striking banded iron formation (BIF). The stratabound ore body is hosted primarily by BIF, …
اقرأ أكثرMaps of South America - WorldAtlas
A map showing the physical features of South America. The Andes mountain range dominates South America's landscape. As the world's longest mountain range, the Andes stretch from the northern part of the continent, where they begin in Venezuela and Colombia, to the southern tip of Chile and Argentina. South America is also home to the Atacama Desert, the driest desert in …
اقرأ أكثرThe Iron Formations of Southern Africa | SpringerLink
Photographs of surface outcrops of IF occurrences in southern Africa. a The Ngwenya Formation ferhythmite of the approximately 3.25 Ga Fig Tree Group of the Barberton greenstone belt along the Komati River near the border between Mpumulanga Province in South Africa and Swaziland (photograph courtesy of Axel Hofmann).b The Vlakhoek Member felutite …
اقرأ أكثر9 Ore Deposits and Economic Minerals – Mineralogy
Most South African ore deposits are associated with regions called Precambrian greenstone belts, ancient volcanic terranes. Similar greenstone belts in Canada account for many of North America's metallic ore deposits. Figures 9.19, 9.20, and 9.21, above show rocks of greenstone belts in Africa, Canada, and Tanzania.
اقرأ أكثرMineral Deposits of Africa 1907–2016 - Society of Economic …
the Bushmanland province of South Africa (Middleton, 1976; Theart et al., 1989; Schade et al., 1989) and is also an important component of the Noeproterozoic Matchless belt of volcano-sedimentary rocks in the Damara orogen of Namibia (Goldberg, 1976; Breitkopf and Maiden, 1988; Klemd et al., 1989; Häussinger et al., 1993).
اقرأ أكثرGreenstone belts: primordial tectonics – Historical Geology
Examples of cratons include the Pilbara Craton of Western Australia, the Kaapvaal Craton of South Africa, and the Superior Craton of the U.S. and Canada. The greenstone belts are typically sandwiched between large bodies of crustal rocks such as granite and gneiss. Not all greenstone belts are Archean; some are also known from the Proterozoic.
اقرأ أكثرAfrica - Metallic deposits | Britannica
In North Africa reserves of iron ore are concentrated in the Atlas Mountains and in the western Sahara. Egypt, however, has medium-grade reserves, of which the most important are at Al-Baḥriyyah Oasis. The ore deposits in Morocco and Tunisia, which were once of considerable importance, have been severely depleted. Africa's most significant iron reserves are to be …
اقرأ أكثرCountries of the Belt and Road Initiative (BRI)
Map of the Belt and Road Initiative (BRI) by year: As of March 2020, 131 to 138 countries had joined the Belt and Road Initiative (BRI) by signing an MoU. ... South Sudan: Sub-Saharan Africa: Low income: Sri Lanka: South Asia: Lower middle income: Sudan: Sub-Saharan Africa: Lower middle income: Suriname: Latin America & Caribbean:
اقرأ أكثرSouth Africa - The Iron Age | Britannica
The. Iron Age. Because the first farmers had knowledge of ironworking, their archaeological sites are characterized as Iron Age ( c. 200 ce ). New groups of people arriving in South Africa at that time had strong connections to East Africa. They were directly ancestral to the Bantu-speaking peoples who form the majority of South Africa's ...
اقرأ أكثرSouth Africa - Gold mining | Britannica
Prospectors established in 1886 the existence of a belt of gold-bearing reefs 40 miles (60 km) wide centred on present-day Johannesburg. The rapid growth of the gold-mining industry intensified processes started by the diamond boom: immigration, urbanization, capital investment, and labour migrancy. By 1899 the gold industry attracted investment worth £75 million, …
اقرأ أكثرSouth Africa | History, Capital, Flag, Map, Population, & Facts
South Africa, the southernmost country on the African continent, renowned for its varied topography, great natural beauty, and cultural diversity, all of which have made the country a favoured destination for travelers since the legal ending of apartheid (Afrikaans: "apartness," or racial separation) in 1994. South Africa's remoteness—it lies thousands of miles distant from …
اقرأ أكثرMineral resources and energy | South African Government
The Department of Mineral Resources and Energy (DMRE) s mandated to ensure the transparent and efficient regulation of South Africa's mineral resources and minerals industry, and the secure and sustainable provision of energy in support of socioeconomic development. The DMRE will continue to focus on transforming mining and energy resources ...
اقرأ أكثرGeology of South Africa - Wikipedia
The geology of South Africa is highly varied including cratons, greenstone belts, large impact craters as well as orogenic belts.The geology of the country is the base for a large mining sector that extracts gold, diamonds, iron and coal from world-class deposits. The geomorphology of South Africa consists of a high plateau rimmed to west, south and southeast by the Great …
اقرأ أكثرMineral Deposits of Africa 1907–2016 - Society of …
the Bushmanland province of South Africa (Middleton, 1976; Theart et al., 1989; Schade et al., 1989) and is also an important component of the Noeproterozoic Matchless belt of volcano-sedimentary rocks in the Damara orogen of Namibia (Goldberg, 1976; Breitkopf and Maiden, 1988; Klemd et al., 1989; Häussinger et al., 1993).
اقرأ أكثرIron Throne Green Trail | Map, Guide - North West, South Africa
Iron Throne Green Trail. Discover this 1.3-mile point-to-point trail near Hartebeespoort, North West. Generally considered a moderately challenging route, it takes an average of 1 h 0 min to complete. This is a popular trail for hiking, mountain biking, and rock climbing, but you can still enjoy some solitude during quieter times of day.
اقرأ أكثرMining industry of South Africa - Wikipedia
Diamond and gold production are now well down from their peaks, though South Africa is still number 5 in gold [3] but remains a cornucopia of mineral riches. It is the world's largest producer [4] of chrome, manganese, platinum, vanadium and vermiculite. It is the second largest producer [4] of ilmenite, palladium, rutile and zirconium.
اقرأ أكثرWhere Is The Yellow Fever Belt Of Africa And South America?
Five genotypes occur in Africa, especially in countries making the Yellow Fever Belt. The genotypes include the Central Africa, East Africa, West Africa I and II, and Angola. All the countries in Africa are part of the yellow fever belt except the North and South African countries. However, to enhance safety and precaution, it is advisable for ...
اقرأ أكثرIron ore in Africa - Wikipedia
Please help improve this article if you can. (September 2010) ( Learn how and when to remove this template message) Iron ore production in Africa is dominated by South Africa, Mauritania and Algeria. [1] Many countries possess iron ore deposits that are as yet untapped/unmined. Countries and companies currently involved in production are listed ...
اقرأ أكثرGeography of South Africa - Wikipedia
In South Africa the plateau is at its highest in the east where its edge varies in altitude between 2,000 m and 3,300 m. This edge of the plateau, as the land drops sharply to the coastal plain, forms a very high, steep escarpment known as the Drakensberg Mountains.The southern and western extents of the escarpment are not so high as Drakensberg, but also are known by a …
اقرأ أكثرA Short History of Africa - Stanford University
Map: Ancient Africa .....71 Map: 15th to 19th Centuries ... The western Sudan is separated from the coast to the south by a belt of dense forest.) In the Sudan the newcomers mixed with other Negro tribes to form ... perhaps because Meroe was situated in an area rich in iron ore. The Kushite Kingdom of Meroe lasted for eight centuries, until ...
اقرأ أكثرMap of Southern Africa | Detailed Southern African Tourist Map
This map of Southern Africa shows some of the most popular tourist areas in Southern Africa including the Greater Kruger National Park, Cape Town and the Garden Route in South Africa; Botswana's Okavango Delta, Chobe and Moremi Game Reserves; Namibia's Etosha National Park; Victoria Falls, which can be visited from the Zimbabwean or Zambian side, and more.
اقرأ أكثرAfrica Map / Map of Africa - Worldatlas.com
Great Rift Valley African Map. This is a slice of a larger topographical map that highlights the Great Rift Valley, a dramatic depression on the earth's surface, approximately 4,000 miles (6,400 km) in length, extends from the Red Sea area near Jordan in the Middle East,, south to the African country of Mozambique.
اقرأ أكثرIron Throne Blue Route | Map, Guide - North West, South Africa
Iron Throne Blue Route. Get to know this 1.6-mile point-to-point trail near Hartebeespoort, North West. Generally considered a moderately challenging route, it takes an average of 1 h 6 min to complete. This is a popular trail for hiking and mountain biking, but you can still enjoy some solitude during quieter times of day.
اقرأ أكثرGreenstone Belt - an overview | ScienceDirect Topics
The depth of deposition of these jasper–carbonate iron formations cannot be evaluated easily ... Simplified geological map of the Barberton Greenstone Belt and its location in the Kaapvaal Craton, South Africa. ... Stratigraphy of the west-central part of the barberton greenstone belt, South Africa. In: Geol. Soc. Am. Spec. Pap., vol. 329, pp ...
اقرأ أكثرBanded iron formation - Wikipedia
Banded iron formations are almost exclusively Precambrian in age, with most deposits dating to the late Archean (2800-2500 Ma) with a secondary peak of deposition in the Orosirian period of the Paleoproterozoic (1850 Ma). Minor amounts were deposited in the early Archean and in the Neoproterozoic (750 Ma). The youngest known banded iron formation is an Early Cambrian …
اقرأ أكثرRide List - Iron Butt
This is the official list of finishers! Our most popular ride certifications. Saddlesore 1000. 1,000 miles in less than 24 hours. Bun Burner 1500. 1,500 miles in less than 36 hours. SaddleSore 1600K. 1,600 kilometers in less than 24 hours Outside USA. Bun Burner 2500K.
اقرأ أكثرGeography of South Africa - Wikipedia
4%Map of Iron Belt area hotels: Locate Iron Belt hotels on a map based on popularity, price, or availability, and see Tripadvisor reviews, photos, and deals.
اقرأ أكثرSouth Africa's Iron Ore Industry - Michael Porter
FIGURE 1: MAP OF SOUTH AFRICA Source: southafricaataglance.com South Africa's population stands at 50.5 million with an annual growth rate of -0.41%. Black Africans make up 79% of the population, colored and white citizens each account for 8.9%, and the Indian/Asian population is the smallest at 2.5% (Statistics South Africa, 2011). The nation
اقرأ أكثرThe pegmatites of the Lower Orange River | Cape Minerals
Geology of the Lower Orange River pegmatite belt. The Northern Cape pegmatite belt extends from the town of Kenhardt Northwest towards the South African/Namibian border, following the trace of the mighty Orange River. The distribution of pegmatites in the area is irregular and possibly shear related (Namaquan Orogeny) - Large swarms of ...
اقرأ أكثر