Shatter Cone from Beaverhead crater. Thanks to Steve and Qynne Arnold.
Hargraves, R.B., Cullicott, C.E., Deffeyes, K.S., Hougen, S.B., Christiansen, P.P., and Fiske, P.S., 1990, Shatter cones and shocked rocks in southwestern Montana: The Beaverhead impact structure: Geology, v. 18, p. 832-834.
Hargraves, R.B., Kellogg, K.S., Fiske, P.S., and Hougen, S.B., 1994, Allochthonous impact-shocked rocks and superposed deformations at the Beaverhead site, southwest Montana—possible crater roots buried in southcentral Idaho, in Dressler, B.O., Grieve, R.A.F., and Sharpton, V.L., eds., Large Meteorite Impacts and Planetary Evolution: Boulder, Colorado, Geological Society of America Special Paper 293, p. 225-236
Shatter Cone from Crooked Creek Crater.
Shatter cone from Glover Bluff crater. Thanks to Steve and Qynne Arnold.
Shatter cone from Kentland Crater.
Shatter cone from Santa Fe crater.
Shatter cone from Sierra Madera crater.
Shatter cone from Wells Creek crater.
Shatter cone in NWA meteorite.
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