Flints Embedded in Studland Chalk

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Flint nodule embedded in chalk

Flint nodules embedded in the low cliff between two minor faults in Studland Chalk Formation exposures at South Beach on Studland Bay, Dorset, England.  At the top of the cliff face is a layer of ironstone and iron-stained flints that has caused the rusty stain on the chalk below. Elsewhere the rocks are covered with a fine coating of green algae.

A couple of useful references for the geology of the area in which these photographs of the chalk and flints were taken:

Barton, CM, Woods, MA, Bristow, CR, Newell, AJ, Weathead, RK, Evans, DJ, Kirby, GA, Warrington, G, Riding, JB, Freshney, EC, Highley, DE, Lott, GK, Forster, A, and Gibson, A. 2011. Geology of south Dorset and south-east Devon and its World Heritage Coast. Special Memoir of the British Geological Survey. Sheets 328, 341/342, 342/343, and parts of 326/340, 327, 329 and 339 (England and Wales), 9–100.

Cope, JCW, 2012 Geology of the Dorset Coast, Geologists’ Association Guide No. 22, Guide Series Editor SB Marriott, The Geologists’ Association, 191-194. A serious guide for the more dedicated amateur and professional.

Ensom, P and Turnbull, M 2011 Geology of the Jurassic Coast, The Isle of Purbeck, Weymouth to Studland, published for the Jurassic Coast Trust by Coastal Publishing, ISBN 978-1-907701-00-9, pages 96-117. A beautifully illustrated beginner’s guide to the geology of the area – one of a series of excellent publications by the Jurassic Coast Trust.

Swanage Solid and Drift Geology (map), British Geological Survey (Natural Environment Research Council) 1:50,000 Series, England and wales Sheets 342 (East) and part of 343

Flint nodule embedded in chalk

Low chalk cliff with row of embedded flints

Flint nodule embedded in chalk

Line of flint nodules embedded in chalk

Flint nodule embedded in chalk

Line of flint nodules embedded in chalk

Flint nodule embedded in chalk

Line of flint nodules embedded in chalk

Flint nodule embedded in chalk

Flint nodule embedded in chalk

6 Replies to “Flints Embedded in Studland Chalk”

  1. Thank you, Evelyn. I thought the shapes and textures were interesting and the colours fairly sombre in this post. I wondered fancifully what the colours would look like if the cliff face were to be cleaned up with a pressure hose producing greater contrasts and cleaner colours. There is a hint of what this looks like at the foot of the cliff where constant wave action has washed and smoothed the chalk, limiting algal growth, and the embedded flint nodules seem almost purple.

  2. Thank you, Adrian. I am sure you are right. I might go and look at the flint implements in the local museum and find out what sort of tools were made and when.

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