PDS_VERSION_ID = PDS3 RECORD_TYPE = STREAM OBJECT = TEXT PUBLICATION_DATE = 2009-11-15 NOTE = "Sample description" END_OBJECT = TEXT END High-level Description: Unit 3. Poorly-sorted layer of 1-2 mm diameter angular airfall particles. Texture Grain morphology and appearance: Dark grey, sub-angular particles in a clast-supported matrix. Texture is rough and rubbly. Grain size and sorting: Poorly-sorted clasts 1-2 mm diameter Grain fabric: Random orientation. Sediment structure: Parallel lamination. Color: Grey with a few white grains.