BGS mineralogy and petrology collection record

Sample number S34476
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Porphyrite, ?Hornblende, Highly Altered'
Stratigraphy Not entered
Comments Porphyrite, ?hornblende, highly altered, ?ash
Locality details Grain Burn, Bail Hill, 40 yards above point where boudary wall crosses
50k map sheet Sanquhar (15)

View images in GeoScenic related to 'Sanquhar'

View the geology near 'Sanquhar'

Map reference NS 755 141
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


S34476

Cross Polarized, S34476

Plane Polarized, S34476

Plane Polarized, S34476