BGS mineralogy and petrology collection record

Sample number MR15471
Sample Donor Not entered
Rock name Rhyolite. 'Original entry: Purple Rhyolite - Intermediate Stage - Withnoe-Cawsand'
Stratigraphy Not entered
Comments Purple Rhyolite - intermediate stage - Withnoe-Cawsand,Collected byJ. G. Jones J1404
Locality details Bridgemoor Farm Quarry,Bridgemoor Farm Quarry, 1 mile N.W. of Millbrook, Maker Peuinsular,
50k map sheet Plymouth (348)

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Map reference 50:21,4:14
Year collected 1936 
Bore name Not applicable
Confidentiality No restrictions