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- sierradetecka @fieldwork:sierradetecka #Argentina #Jurassic #Paleozoic #Patagonia #Sierra de Tecka #fieldwork #laccolith #mapping
- - A Brief Geographical Outline ===== The South American continent can be geographically subdivided in se... ogical overview ====== The geology of the South American continent is characterised by two contrasting ma... ontinent and the cratonic region of eastern South America. {{media/image4.jpeg?615x480}}The Andean mountai... ubduction. In contrast, the eastern part of South America is a tectonically passive cratonic region build u
- 0113_why_there_is_no_saharan_atlantic_ocean @tectonicwaters:2014 #Africa #Continental breakup #Cretaceous #Mesozoic #Numerical model #Plate reconstructions #Publishing #Rifting #South America #South Atlantic
- African rift, extended between present-day South America and Africa as well as within the African continen... ift systems were about to split the African-South American part of Gondwana North-South into nearly equal h... ver, a competing rift along the present-day South American and African Equatorial Atlantic margins, won ove... -fold acceleration in the velocities of the South American plate once the Equatorial Rift System had suffic