BGS mineralogy and petrology collection record

Sample number S29473
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Granodiorite, ?Contact Altered Or With Derived Clouded Felspars'
Stratigraphy Not entered
Comments Granodiorite, ?contact altered or with derived clouded felspars, very fine-grained pinkish diorite with biotite (cf. 82)
Locality details Brocklaw Burn 1450 yards W 11 deg N of triangulation point at 1391 feet on Spango Hill
50k map sheet Sanquhar (15)

View images in GeoScenic related to 'Sanquhar'

View the geology near 'Sanquhar'

Map reference NS 804 191
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


S29473

Cross Polarized, S29473

Plane Polarized, S29473

Plane Polarized, S29473