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Palaeogeography of the Bath area
Coccoliths
Lower Chalk
Algal Bloom
Mesozoic Sea Level Change
Middle and upper chalk
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Return to map Return to picture Read postcard Palaeogeography of the Bath area Coccoliths Lower Chalk Algal Bloom Mesozoic Sea Level Change | Middle and upper chalk |
Reference Hidden Depths: Wiltshire's Geology and Landscapes by Isobel Geddes |