Hordle Cliff blue and green clay (below the Chara Bed), Hampshire (Eocene of the United Kingdom)

Also known as Hordwell

Where: England, United Kingdom (50.7° N, 1.6° W: paleocoordinates 49.2° N, 5.5° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Headon Beds Formation, Late/Upper Eocene (37.2 - 33.9 Ma)

• The Marchioness calls these units "Strata 6 and 7" and they are grouped by Cray, 1973 as the "blue and green clays"

Environment/lithology: ferruginous, sandy, calcareous claystone and green, blue, argillaceous, sandy, carbonaceous marl

• The Headon Beds are predominantly clays, with varying amounts of sand, limestone and ironstone. These beds are blue and green mottled marl colored with iron, and some lignite veins and sand .

Size class: macrofossils

Collection methods: In 1852, the Marchioness of Hastings published an almost identical paper to her 1853 report. I used the later English version, but the earlier paper is the more primary reference.

Primary reference: M. Hastings. 1853. On the Tertiary Beds of Hordwell, Hampshire. Philosophical Magazine and Journal of Science, Fourth Series 6(36):1-11 [J. Alroy/E. Leckey/E. Leckey]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 39840: authorized by John Alroy, entered by Erin Leckey on 08.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Cardiida - Dreissenidae
Dreissena sp. Beneden 1835 clam
 Architaenioglossa - Viviparidae
Paludina lenta snail