Purbeck-Portland “Cliff Stone” Lead author: WGT

The coastal quarries between Durlston Head and St Alban’s (St Adhelm’s) Head were worked at two main levels, the Under (Lower) Freestone and the Upper (Pond) Freestone. ​
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Purbeck Pond Freestone Loupe image 2cm X 2cm
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Under Freestone Loupe image 2cm X 2cm
Further samples of Purbeck-Portland “Cliff Stone” may be viewed via this link