Milton, Missouri, Ungrouped Pallasite Meteorites for Sale
Location: Atchison County, Missouri, USA 40º 17' 15"N, 95º 22' 36"W
Found: 2000, October
Type: Pallasite, ungrouped.
Description: A single mass of 2040 g was found in a bean field by Ben Rogers and Gary Wennihan. Initial identification was made by C. Rohs and J. Reese at Northwest Missouri State University. Classification and mineralogy (R. Jones, UNM; J. Wasson, UCLA): Small, angular olivines (73 vol%), mean Fa17.2; molar Fe/Mn = 123; metal composition, Ni = 151 mg/g, Co, 9.6 mg/g, Ga, 15.3 µg/g; As, 10.1 µg/g; Ir, 50.4 µg/g, Au, 1.16 µg/g. Mean oxygen isotope ratios of olivine (T. Larson and Z. Sharp, UNM): 18O = +0.52o/oo, 17O = 2.87o/oo.
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