Stanwell Park Claystone
Stanwell Park Claystone is a geologic formation in the Sydney Basin in eastern Australia. Commonly seen in the Illawarra region, this stratum is up to 79 metres thick. Formed in the early Triassic, it is part of the Narrabeen Group of sedimentary rocks.This formation includes red, green and grey shale with quartz-lithic sandstone. See also Sydney Basin Scarborough Sandstone Garie Formation Narrabeen group References Geologic formations of Australia Triassic Australia Sandstone formations Geology of New South Wales