Browse Items (2 total)

Hand Specimen Very dark grey to black mudstone. Faint, fine-scale laminations visible on cut surface. Not fissile - does not readily split along bedding planes.Contains fossils and fossil imprints. Some glinting flakes of mica. This rock fizzes…

Hand Specimen Reddish brown rock. Medium sand grade.Round to sub-round grains of quartz, often with a thin rim of red hematite. Mainly reddish and pink-brown grains, fewer white grains and very few black grains. Well sorted and well cemented.No…