Statistics for Some of the Oldest Deserts in the World

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Age	Location	Desert	% Correct
7 million years old	North Africa	Sahara	100%
10 – 45 million years old	Northern and northwestern China and southern Mongolia	Gobi	92%
60 million years old	Southern Africa, across parts of Botswana, Namibia, and South Africa	Kalahari	84%
10 – 15 million years old	Northern Chile	Atacama	76%
15 million years old	Southern Hemisphere	Antarctica	60%
55 – 80 million years old	Across parts of Namibia, South Africa, and Angola	Namib	52%
5.3 million years old	Northwestern China	Taklamakan	20%

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