Antarctic Search for Meteorites (ANSMET) Search this
Weight:
0.54 g
Place:
Antarctica
Collection Date:
1977
Notes:
# NASA data for ALH 77260 Weathering: C Fracturing: C Pairing: ALH 77011 Fa: 23-7 mol % Fs: 1-28 mol % ²⁶Al: 37 ± 2 dpm/kg
The specimen is oblong 14.0 x 5.5 x 6.5 cm. A thin fusion crust, 0.5 mm, covers 50% of the specimen. There are several fractures that penetrate the stone and snow was preserved in these when it was removed from cold-storage. Light colored chondrules and lithic clasts, up to as much as 0.5 cm in maximum length, were observed on the fractured surfaces. Apparently the reddish-brown color of the weathering rind masks out the darker inclusion on the exterior surfaces. The meteorite appears to be weathered throughout.
