BGS mineralogy and petrology collection record

Sample number E49792; COLLNOAN38;
Sample Donor Wilson,A.C.
Rock name 'Original entry: Quartz, Muscovite, Chlorite, Biotite, Hornfels'
Stratigraphy Not entered
Comments S2 cleavage in spotted slates. ( ? Devonian).
Locality details Crags by wall, N. of Cornelias Zawn, 990 m. at 282 deg from Treveal.
50k map sheet Penzance (351)

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Map reference SW 4649 4023
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


E49792

Cross Polarized, E49792

Plane Polarized, E49792

Plane Polarized, E49792