BGS mineralogy and petrology collection record

Sample number S6822
Sample Donor Horne, J.; Peach, B.N.;
Rock name 'Original entry: Biotite Porphyrite'
Stratigraphy Not entered
Comments Biotite porphyrite
Locality details Bail Hill, Grains Burn
50k map sheet Sanquhar (15)

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Map reference NS 75 14
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


S6822

Cross Polarized, S6822

Plane Polarized, S6822

Plane Polarized, S6822