Antarctic Search for Meteorites (ANSMET) Search this
Place:
Antarctica
Collection Date:
1977
Notes:
# NASA data for ALH 77012 Weathering: Ce Fracturing: A Fa: 18 mol % Fs: 16 mol % ²⁶Al: 78 ± 3 dpm/kg
The sample is roughly pyramidal in shape, with the E surface being semi-flat and a fracture surface. The B and S surfaces have very thin, patchy, black fusion crust. The remainder of the sample is stained reddish-brown by iron oxidation. No unweathered material was exposed during processing.
