Where: England, United Kingdom (51.3° N, 2.7° W: paleocoordinates 14.7° S, 0.3° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Black Rock Formation, Tournaisian (358.9 - 346.7 Ma)

• bed is 38 feet thick; top of bed is 138 feet above base of section

• bed-level stratigraphic resolution

Environment/lithology: marine; shelly/skeletal, gray limestone

Preservation: replaced with silica

Primary reference: G. W. Green, M. A. Welch, and F. B. A. Welch. 1965. Geology of the Country around Wells and Cheddar (Explanation of One-inch Geological Sheet 280, New Series). Memoirs of the Geological Survey of Great Britain (280)1-225 [A. Miller/D. Carlson/O. Alfaro]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 8694: authorized by Arnold Miller, entered by Donna Carlson on 27.08.2000

Creative Commons license: CC BY (attribution)