Also known as Storey Arms Quarry and Craig-y-Fro Quarry

Where: Wales, United Kingdom (52.0° N, 3.4° W: paleocoordinates 27.6° S, 4.7° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Senni Beds Formation, Pragian (410.8 - 407.6 Ma)

• Early Seigenian according to Richardson et al. 1982. A thickness of about 14 meters of fluviatile sandstones and siltstones belonging to the Senni Beds is exposed and includes four horizons yielding plant fossils.

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, gray, green sandstone and lithified, gray, green, sandy mudstone

Size classes: macrofossils, microfossils

Preservation: adpression, permineralized, coalified, original carbon, original sporopollenin, replaced with pyrite, replaced with limonite

Collection methods: quarrying, surface (float), chemical, mechanical, peel or thin section,

• Collected numerous times by numerous people. (Heard 1926, 1927, 1939; Cox & Heard 1937; Croft & Lang 1942; Edwards 1968, 1969a, b, 1970, 1980, 1981; Edwards & Kenrick 1986; Kenrick & Edwards 1988; Edwards & Banks 1965; Shute & Edwards, 1989)

Primary reference: A. Heard. 1927. On Old Red Sandstone plants showing structure from Brecon (South Wales). Quarterly Journal of the Geological Society of London 85:195-209 [P. Gensel/M. Kotyk]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 11088: authorized by Pat Gensel, entered by Michele Kotyk on 13.07.2001

Creative Commons license: CC BY (attribution)