Also known as Dearden Moor, Gastrioceras cumbriense Marine Band, shale Unit 2, the advance shale

Where: England, United Kingdom (53.7° N, 2.3° W)

• Paleocoordinates: 10.6° S, 1.7° E (Wright 2013)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Gastrioceras cumbriense ammonoid zone, shale Unit 2 Member (Gastrioceras cumbriense Marine Band Formation), Yeadonian (320.0 - 318.7 Ma)

• The Gastrioceras cumbriense Marine Band generally does not exceed 60cm in thickness. The band is split into five units, the lower barren shales (Unit 1), the advance shales (Unit 2), the acme shales (Unit 3), the retreat shales (Unit 4), and the upper barren shales (Unit 5).

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified shale

Size class: macrofossils

Primary reference: P. B. Wignall. 1987. A biofacies analysis of the Gastrioceras cumbriense marine band (Namurian) of the central Pennines. Proceedings of the Yorkshire Geological Society 46(2):111-121 [J. Alroy/C. Simpson/M. Uhen]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 41225: authorized by John Alroy, entered by Carl Simpson on 09.07.2004

Creative Commons license: CC0 (CC0)