Mike Horne FGS

Generalised Geology around the Cave and Newbald area*

(youngest rocks at top)

Alluvium - Post-Glacial

Dry Valley Deposits - gravels

Blown Sand

Lake Humber Deposits - Devensian

Welton and Burnham Chalk Formations

Ferriby Formation - Lower Chalk

Red Chalk Formation (Hunstanton Formation of some authors)

Carstone

Ancholme Clay Formation - (Kimmeridge and Oxford Clays)

Kellaways Formation - Kellaways Rock and Kellaways Sands

Thorncroft Sands

Cave Oolite

Ravenscar Beds including the Kirton Cementstone

Whitby Mudstone

Marlstone Rock

Redcar Mudstone

Penarth Group - Rhaetic

Mercia Mudstone - Keuper Marl

*note - because of unconformities and the effects of the Market Weighton Structure these beds thin to the north and may not always be present.

(mostly based on -- Gaunt G D, T P Fletcher & C J Wood 1992. Geology of the country around Kingston Upon Hull and Brigg. Memoir for 1:50000 geological sheets 80 and 89 (England and Wales). HMSO, London. ix + 172pp, 6pl.)

copyright Mike Horne - October 2016

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