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- Tswaing_crater abstract "Tswaing is an impact crater in South Africa. It is situated 40 km to the north-west of Pretoria. This astrobleme is 1.13 km in diameter and 100 m deep and the age is estimated to be 220,000 ± 52,000 years (Pleistocene). The impactor is believed to have been a chondrite or stony meteorite some 30 to 50 m in diameter that was vaporized during the impact event. Morokweng crater, another crater of chondrite origin, lies north-west of Vryburg.The name Tswaing means Place of Salt in Tswana and the crater was also formerly known in English: as Pretoria Saltpan crater and in Afrikaans: as Soutpankrater. Stone tools from the Middle Stone Age show that the crater was regularly visited by people from as far back as 100,000 years ago in order to hunt and collect salt. Water in the crater comes from surface springs, ground water and rain water and is rich in dissolved carbonates and sodium chlorides. Tswana and Sotho people harvested the salt by filtering and decoction between 1200 and 1800. Between 1912 and 1956 brine was pumped from the floor of the crater by the company SA Alkali Ltd. in order to extract soda and salt.A scientific dispute was ongoing regarding the origin of the crater between supporters of volcanic origin (Wagner, 1922) and those who believed it is an impact crater (Rohleder, 1933) until 1990, when examination of the core from a borehole proved that it is an impact crater.Tswaing is currently on the tentative list for consideration as a World Heritage Site.".
- Tswaing_crater thumbnail Tswaing_crater_montage.jpg?width=300.
- Tswaing_crater wikiPageExternalLink tswaing.html.
- Tswaing_crater wikiPageExternalLink Index.htm.
- Tswaing_crater wikiPageExternalLink tswaing.cfm.
- Tswaing_crater wikiPageID "780567".
- Tswaing_crater wikiPageLength "3569".
- Tswaing_crater wikiPageOutDegree "24".
- Tswaing_crater wikiPageRevisionID "680434632".
- Tswaing_crater wikiPageWikiLink Astrobleme.
- Tswaing_crater wikiPageWikiLink Carbonate.
- Tswaing_crater wikiPageWikiLink Carbonates.
- Tswaing_crater wikiPageWikiLink Category:Impact_craters_of_South_Africa.
- Tswaing_crater wikiPageWikiLink Category:Pleistocene_impact_craters.
- Tswaing_crater wikiPageWikiLink Chondrite.
- Tswaing_crater wikiPageWikiLink Decoction.
- Tswaing_crater wikiPageWikiLink Impact_crater.
- Tswaing_crater wikiPageWikiLink Impact_event.
- Tswaing_crater wikiPageWikiLink Impact_structure.
- Tswaing_crater wikiPageWikiLink List_of_impact_craters_in_Africa.
- Tswaing_crater wikiPageWikiLink Meteorite_classification.
- Tswaing_crater wikiPageWikiLink Middle_Stone_Age.
- Tswaing_crater wikiPageWikiLink Morokweng_crater.
- Tswaing_crater wikiPageWikiLink Pleistocene.
- Tswaing_crater wikiPageWikiLink Pretoria.
- Tswaing_crater wikiPageWikiLink Sodium_chloride.
- Tswaing_crater wikiPageWikiLink Sotho_people.
- Tswaing_crater wikiPageWikiLink Stony_meteorite.
- Tswaing_crater wikiPageWikiLink Tswana_language.
- Tswaing_crater wikiPageWikiLink Tswana_people.
- Tswaing_crater wikiPageWikiLink Vryburg.
- Tswaing_crater wikiPageWikiLink World_Heritage_Site.
- Tswaing_crater wikiPageWikiLink File:Tswaing01.jpg.
- Tswaing_crater wikiPageWikiLink File:Tswaing_crater-002.jpg.
- Tswaing_crater wikiPageWikiLink File:Tswaing_crater_montage.jpg.
- Tswaing_crater wikiPageWikiLinkText "Soutpan".
- Tswaing_crater wikiPageWikiLinkText "Tswaing crater".
- Tswaing_crater wikiPageWikiLinkText "Tswaing".
- Tswaing_crater wikiPageWikiLinkText "salt pan".
- Tswaing_crater hasPhotoCollection Tswaing_crater.
- Tswaing_crater wikiPageUsesTemplate Template:Commons_category.
- Tswaing_crater wikiPageUsesTemplate Template:Coord.
- Tswaing_crater wikiPageUsesTemplate Template:Ditsong_Museums_navbox.
- Tswaing_crater wikiPageUsesTemplate Template:Impact_cratering_on_Earth.
- Tswaing_crater wikiPageUsesTemplate Template:Lang-af.
- Tswaing_crater wikiPageUsesTemplate Template:Lang-en.
- Tswaing_crater wikiPageUsesTemplate Template:Reflist.
- Tswaing_crater subject Category:Impact_craters_of_South_Africa.
- Tswaing_crater subject Category:Pleistocene_impact_craters.
- Tswaing_crater hypernym Crater.
- Tswaing_crater point "-25.40888888888889 28.08277777777778".
- Tswaing_crater type Article.
- Tswaing_crater type Crater.
- Tswaing_crater type Article.
- Tswaing_crater type SpatialThing.
- Tswaing_crater comment "Tswaing is an impact crater in South Africa. It is situated 40 km to the north-west of Pretoria. This astrobleme is 1.13 km in diameter and 100 m deep and the age is estimated to be 220,000 ± 52,000 years (Pleistocene). The impactor is believed to have been a chondrite or stony meteorite some 30 to 50 m in diameter that was vaporized during the impact event.".
- Tswaing_crater label "Tswaing crater".
- Tswaing_crater sameAs Tswaing.
- Tswaing_crater sameAs Cratère_de_Tswaing.
- Tswaing_crater sameAs Tswaing.
- Tswaing_crater sameAs Cratera_de_Tswaing.
- Tswaing_crater sameAs m.03bvq3.
- Tswaing_crater sameAs 947721.
- Tswaing_crater sameAs Q1513620.
- Tswaing_crater sameAs Q1513620.
- Tswaing_crater lat "-25.40888888888889".
- Tswaing_crater long "28.08277777777778".
- Tswaing_crater wasDerivedFrom Tswaing_crater?oldid=680434632.
- Tswaing_crater depiction Tswaing_crater_montage.jpg.
- Tswaing_crater isPrimaryTopicOf Tswaing_crater.