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Country USA
CoordinatesLat. N 3615' Long.W 9810'
Diameter km 16.0
Age Ma or date <300.0
Remarks Age 470 30 Ma was from stratigraphic evidences. Ages around 300 Ma is from 40Ar-39Ar dating of impact melt in the Nicor Chestnut 18-4 drill core.

Koeberl 2001 Koeberl, C. , Reimold W. U. and Kelley S. P., ''Petrography, geochemistry, and 40Ar-39Ar ages of impact melt rocks and breccias from the Ames Impact Structure, Oklahoma'', MAPS 36 (2001)
Use of any material without permission is forbidden. Jarmo Moilanen - 2009-2014
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