BGS mineralogy and petrology collection record

Sample number S30603
Sample Donor Simpson,J.B.
Rock name 'Original entry: Pyroxene Porphyrite (P)'
Stratigraphy Not entered
Comments Pyroxene porphyrite (P), intrusion in ash
Locality details Pit at roadside, 2000 feet W of Corsencon
50k map sheet Sanquhar (15)

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Map reference NS 661 141
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


S30603

Cross Polarized, S30603

Plane Polarized, S30603

Plane Polarized, S30603