BGS mineralogy and petrology collection record

Sample number S30300
Sample Donor Phemister,J.
Rock name 'Original entry: Hornblende Biotite Quartz Porphyrite'
Stratigraphy Not entered
Comments Hornblende biotite quartz porphyrite, fP, Rich in ferromag.
Locality details Spout Burn 640 yards W 5 deg S of triangulation point on Ewe Hill
50k map sheet Sanquhar (15)

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Map reference NS 652 005
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


S30300

Cross Polarized, S30300

Plane Polarized, S30300

Plane Polarized, S30300