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Botswana

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The geology of land-locked Botswana  includes basement rocks of the Kaapvaal-Zimbabwe craton which extends into northern Botswana. To the east and southeast metamorphic rocks of Archaean age are covered by Karoo rocks and post-Cretaceous Kalahari Group sediments laid down in the Kalahari Basin underlying large parts of the centre of the country. In the northwest more recent sediments belong to the Damara Belt.

The mining of diamonds is especially important to Botswana’s economy. There are more than 20 kimberlite pipes, mostly of Cretaceous age. The country also produces copper, gold, nickel and cobalt whilst coal and soda ash are significant. Coal reserves lie in the east of the country and are potential sources of coal bed methane.

Thus Globalshift considers Botswana to have no conventional oil and gas potential but unconventional gas volumes are present both as CBM and within Karoo shales.

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Botswana