BGS mineralogy and petrology collection record

Sample number E4308; COLLNO3;
Sample Donor Usher,W.A.E.
Rock name Limestone. 'Original entry: Crystalline Crinoidal Limestone'
Stratigraphy Not entered
Comments Upp. Devonian
Locality details Sewer under George St. Plymouth
50k map sheet Plymouth (348)

View images in GeoScenic related to 'Plymouth'

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Map reference SX 467 543
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E4308

Cross Polarized, E4308

Plane Polarized, E4308

Plane Polarized, E4308