Tabun-Khara-Obo crater
Tabun-Khara-Obo is an impact crater in the Dornogovi Aimag (province) the south-east of Mongolia.[1] The crater, which is exposed at the surface, is 1.3 km in diameter. The crater's rim rises some 20 to 30 meters above the crater bottom,[2] but the bottom of crater is covered with up to 171 m thick layer of lake deposits - a testimony that this crater in earlier times was filled with a lake.[3] It has an estimated age of 150 ± 20 million years (Upper Jurassic). The site was first identified as a probable impact crater in the 1960s,[3] although confirmation of the hypothesis only occurred decades later.[2] Drilling at the site in 2008 revealed rock features consistent with high-speed impacts such as those caused by meteorites.[2]
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Landsat image of the Tabun-Khara-Obo crater; screen capture from NASA World Wind. -
Oblique Landsat image of Tabun-Khara-Obo crater draped over digital elevation model (x5 vertical exaggeration); screen capture from NASA World Wind. -
View to north across the Tabun-Khara-Obo crater. -
Satellite image of the crater and surrounding area.
References
- ^ "Tabun-Khara-Obo". Earth Impact Database. Planetary and Space Science Centre University of New Brunswick Fredericton. Retrieved 2016-10-01.
- ^ a b c "Tabun Khara Obo, Mongolia". NASA Earth Observatory. Retrieved 2009-09-08.
- ^ a b "Tabun Khara Obo". Wondermondo.
44°8′N 109°39′E / 44.133°N 109.650°E
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