Dating limpopo province

Posted by / 15-Oct-2017 03:43

Dating limpopo province

Geologic exploration has been limited by the depth and extent of Kalahari sand covering the surface geology.The rock groups underlying most of the sandveld are therefore the least-known but appear to be the youngest, belonging to the Karoo (Karroo) System, formed 290 to 208 million years ago.The alluvial soils of the ancient lake beds include gray loamy soils in the wetlands, gray-green saline soils on the pans, gray clayish soils to yellowish sandy soils around the wetlands, and very chalky light gray soils around the pans.

This complex is known to extend into younger rock formations (2.5 to 1.2 billion years old) in the extreme southern sandveld, while rocks of the Ghanzi and Damara groups (1.2 billion to 570 million years old) extend across the northwest corner of the country into northern Namibia.

The annual climate ranges from months of dry temperate weather during winter to humid subtropical weather interspersed with drier periods of hot weather during summer.

In summer, which lasts from October to March, temperatures rise to about 93 °F (34 °C) in the extreme north and southwest, the warmest parts of the country.

Botswana is bounded by Namibia to the west and north (the Caprivi Strip), Zambia and Zimbabwe to the northeast, and South Africa to the southeast and south.

The Zambezi River border with Zambia is only several hundred yards long.

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In winter, which lasts from April to September, there is frequent frost at night, and temperatures may fall to near freezing in some high-altitude areas during the day.