Coesite Discoveries Establish Cryptovolcanics as Fossil Meterorite Craters

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Science  17 Nov 1961:
Vol. 134, Issue 3490, pp. 1624-1625
DOI: 10.1126/science.134.3490.1624


Discovery of coesite in St. Peter sandstone from the central uplift of the Kentland structure, Newton County, Indiana, and in shatter cones of Lilley dolomite of Middle Silurian age from the central uplift of the Serpent Mound structure near Sinking Springs, Ohio, proves that shatter cones are evidence of meteorite impact.

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