BGS mineralogy and petrology collection record

Sample number S8961
Sample Donor Harker, Alfred
Rock name 'Original entry: Porphyritic Quartz-Dolerite'
Stratigraphy Not entered
Comments Not entered
Locality details NW shoulder of Marsco
50k map sheet Glenelg (71)

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Map reference NG 5035 2585
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


S8961

Cross Polarized, S8961

Plane Polarized, S8961

Plane Polarized, S8961