BGS mineralogy and petrology collection record

Sample number S30517
Sample Donor Richey, James E.
Rock name Not entered
Stratigraphy Not entered
Comments Hornblende andesite
Locality details Grain Burn, 900 yards S 10 deg W of triangulation point of Geffock Hill
50k map sheet Sanquhar (15)

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Map reference NS 747 137
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


S30517

Cross Polarized, S30517

Plane Polarized, S30517

Plane Polarized, S30517