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Tenoumer Crater
The Tenoumer Crater is nearly a perfect circle which is located in the Western Sahara Desert, Mauritania. The crater is 1.9 kilometers (1.2 miles) wide, and sports a rim 100 meters (330 feet) high. The cause of this crater has been long debated by the modern geologists.
Some of them considered a volcano as the cause of the crater. The closer inspection of the structure revealed that the crater’s hardened “lava” was actually rock that had melted from a meteorite impact. Roughly between 10,000 and 30,000 years ago this impact occurred.
