PDS_VERSION_ID = PDS3 RECORD_TYPE = STREAM OBJECT = TEXT PUBLICATION_DATE = 2009-11-15 NOTE = "Sample description" END_OBJECT = TEXT END High-level Description: Black, sub-angular scoria clast, 2 cm in diameter. Clast is much less vesicular and glassy than the scoria shown in 3775. Vesicles are small (0.5 mm) and round, and most are filled with a white precipitate. The clast has a texture similar to asphalt. Texture Grain morphology and appearance: Sub-angular scoria clast, with low vesicularity (compare to 3775). Vesicles are small (0.5 mm) and round, and most are filled with a white precipitate. The clast has a texture similar to asphalt. Grain size and sorting: No individual grains visible. Grain fabric: None visible. Sediment structure: None. Color: Black; whitish precipitate coats small portions of the surface.