Antarctic Search for Meteorites (ANSMET) Search this
Weight:
7.881 g
Place:
Antarctica
Collection Date:
1977
Notes:
# NASA data for ALH 77300 Weathering: C Fracturing: B Fa: 18 mol % Fs: 16 mol % ²⁶Al: 54 ± 4 dpm/kg
The stone is 9.0 x 5.0 x 4.5 cm and oblong. Half the surface appears to have had fusion crust that has been mostly ablated, leaving only dull, brown remnant patches. Half the specimen has a rough fracture surface. The exterior is uniformly weathered a dark orangish-brown. When the sample was cleaved in half, no unweathered material was exposed. The severity of the weathering caused the sample to crumble into many pieces during handling for photography.
