BGS mineralogy and petrology collection record

Sample number E34136; COLLNOMK85;
Sample Donor Mckeown,M.C.
Rock name Not entered
Stratigraphy Not entered
Comments Cleaved black slate containing many exotic fragments of volcanic rock of Middle Culm measure age.
Locality details Exposure of black slates, 40' above base of cliff and 450 Yds. N. at 12 deg. E. of Trebarwith Strand.
50k map sheet Boscastle (322)

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Map reference SX 0494 8681
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


E34136

Cross Polarized, E34136

Plane Polarized, E34136

Plane Polarized, E34136