Park City

Summit County , Utah, USA

Found ~ 1934

Iron meteorite, hexahedrite (IIAB)

An iron meteorite was acquired by William Cole prior to 1935.  Over 50 years later, his wife remembered that he got it while working at the Silver King Mine near Park City, although it is not known whether he actually found it himself. Classification and analysis (T. McCoy, SI; J. Wasson, UCLA): contains coarse kamacite crystals (up to 14 cm), millimeter-sized schreibersite, and remelted troilite nodules; bulk metal composition, Co = 0.456 wt%, Ni = 5.89 wt%, Ga = 57.0 ppm, As = 5.14 ppm, Ir = 2.31 ppm, Au = 0.661 ppm.  Specimens:  630.5 g, SI; 12.8 g, UCLA; main mass, 9.049 kg, plus slices of 669, 1052, and 835 g with a friend of the Cole family.