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Dhala crater : ウィキペディア英語版 | Dhala crater Dhala crater (N25°17'59.7" and E78°8'3.1"), a crater formed by impact of an asteroid, is situated in Shivpuri district, Madhya Pradesh India and it is second such crater found in India, after Lonar lake. The diameter of the structure is estimated at 11 km and basement rocks are predominantly composed of granitoids. It is estimated that the impact occurred between 1.6 and 2.5 Ga〔 or about 2,500 million years ago. ==Largest in India== Dhala crater is considered as largest crater in India as well as between Mediterranean and South East Asia and such craters are not found any where in China and Japan.〔 The crater is considered as a "large complex impact structure" with estimated diameter extending upto 25 k.m.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Dhala crater」の詳細全文を読む
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