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出典:Wikipedia
出典:『Wikipedia』 (2009/09/13 14:19 UTC 版)
The Gatun structure is a possible eroded impact crater. It is named after the nearby Gatun Lake in Panama. It was first discovered in 1972 by geologist Bob Stewart and later studied by Livio L. Tornabene from the University of South Florida Department of Geology.
Gatun structure