BGS mineralogy and petrology collection record

Sample number S11875
Sample Donor Peach, B.N.
Rock name 'Original entry: Porphyry'
Stratigraphy Not entered
Comments Porphyry, block in bomb bed
Locality details W coast 0.75 miles WNW of Cosandrochenith
50k map sheet Jura (28)

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Map reference NR 69 82
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


S11875

Cross Polarized, S11875

Plane Polarized, S11875

Plane Polarized, S11875