Mike Horne FGS

A Quaternary Timescale

LATE PLEISTOCENE

Flandrian [Holocene]; climate Temperate; 10 000 years BP to present day. Sea level rise.

Devensian - Glacial; 120 000BP to 10 000 BP. Ice sheet over nothern Britain. Deposition of the Holderness Tills in Late Devensian.

Ipswichian - warm; 130 000 to 120 000. Buried Cliff deposits at Sewerby, with Hippopotamus, Hyena.

MIDDLE PLEISTOCENE

Wolstonian - Glacial; 200 000 to 130 000.

Hoxnian - warm; 250 000 to 200 000.

Anglian - Glacial; 300 000 to 250 000. Largest UK Ice sheets. Deposition of Cromer Tills in Norfolk

Cromerian - warm.

EARLY PLEISTOCENE

Beestonian - periglacial; ? 400 000

Pastonian - warm; ? 600 000

Pre-Pastonian- cold/warm/cold

Bramertonian - warm. Deposition of Norwich Crag.

Baventian - periglacial. 1 600 000BP

Antian - warm.

Thurnian - cold

Ludhamian - warm. 1 800 000BP

Waltonian - cool. 2 500 000 BP. Depositon of Red Crag in East Anglia.

copyright Mike Horne - October 2016

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