Antarctic Search for Meteorites (ANSMET) Search this
Weight:
0.206 g
Place:
Antarctica
Collection Date:
1999
Notes:
# NASA data for GEO 99101 Weathering: A/B Fracturing: A/B Fa: 18 mol % Fs: 13-17 mol % NTL: 47 ± 1 krad
Brown/black fusion crust covers the exterior with oxidation halos and polygonal fractures. The exterior has a dull matte finish. The interior is a soft gray matrix with sub mm-sized charcoal gray chondrules. Metal grains and rust halos are visible.