Age:<100 million years from present
An 14 km crater from the Cretaceous/Tertiary impact event which was first recognized from the shattercone in 1960, by Dr. Robert S. Deitz.
Location: USA
Marquez
Age: 58 ± 2 million years from present
A 12.7 km impact structure recognized in 1989. Shatter-cone in a sedimentary target rock.
James P. Tobin
Author Jim Tobin and his friend Paul Harris have been sharing their love of meteorites on the Internet for 11 years, at meteorite.com. He also publishes a monthly magazine, Meteorite Times.
Payson
A single stone of 1728g was found by Marvin Killgore; listed, with classification and mineral analysis, S.S.Russell et al., Met. Bull. 86, MAPS, 2002, 37 (Suppl.), p.A157.
Ashmore
A single individual of 55.4kg was found during deep plowing at a depth of 18 inches, approximately 3 miles NW of Ashmore. Upon visual examination it is so metal rich that is could easily be mistaken as an enstatite chondrite.
Turtle River
Medium octahedrite with evidence of artificial reheating: it is shock hardened, imperfect crystallization.
Twodot
A single stone of 21.4kg was found by an elk hunter at a hillside. Listed, with classification and mineral analysis, S.S.Russell et al., Met. Bull. 87, MAPS, 2003, 38, No. 7 (Suppl.), p.A189.
Vermillion
Found by G. Farrell in a wheatfield near the Black Vermillion River. It is the largest member of a small group called pyroxene pallasites.
Wagon Mound
This is a veined regolith breccia.
Woodbine
This is a pilycrystalline fine octahedrite with silicate inclusions. It is impressive etched.