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 2, a fine-grained ash layer, comprised of dark brown, angular particles. Texture Grain morphology and appearance: Angular to sub-rounded grains in a clast-supported matrix. Grain size and sorting: Poorly-sorted clasts, sub-resolution to 100 microns diameter. Grain fabric: Random orientation. Sediment structure: Parallel lamination Color: Dark brown with a few dark grey/black particles.