BGS mineralogy and petrology collection record

Sample number E51650; E51650/A; E51650/B; COLLNONGB326;
Sample Donor Berridge,N.G.
Rock name Not entered
Stratigraphy Not entered
Comments Porphyritic fine grained granite
Locality details Birker Fell, 0.5 Km ENE of Devoke Water
50k map sheet Cumbria or Ambleside (38)

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Map reference NY 210 020
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


E51650/A

Cross Polarized, E51650/A

Plane Polarized, E51650/A

Plane Polarized, E51650/A


E51650/B

Cross Polarized, E51650/B

Plane Polarized, E51650/B

Plane Polarized, E51650/B