BGS mineralogy and petrology collection record

Sample number S23707
Sample Donor Anderson, E.M.
Rock name 'Original entry: Acid Porphyrite (Fp)'
Stratigraphy Not entered
Comments Acid porphyrite (fP), 40 foot sill of L.O.R.S. age
Locality details Proscribe Burn, 1500 yards from foot
50k map sheet Sanquhar (15)

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Map reference NS 670 243
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


S23707

Cross Polarized, S23707

Plane Polarized, S23707

Plane Polarized, S23707