BGS mineralogy and petrology collection record

Sample number S23708
Sample Donor Anderson, E.M.
Rock name 'Original entry: Coarse Acid Porphyrite (Fp)'
Stratigraphy Not entered
Comments Coarse acid porphyrite (fP), ?sill of L..O.R.S, age
Locality details Proscribe Burn, 1 mile from foot
50k map sheet Sanquhar (15)

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Map reference NS 670 242
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


S23708

Cross Polarized, S23708

Plane Polarized, S23708

Plane Polarized, S23708