BGS mineralogy and petrology collection record

Sample number S50028
Sample Donor Dearnley,R.
Rock name 'Original entry: Felsic Porphyrite'
Stratigraphy Not entered
Comments Felsic porphyrite
Locality details 2760 yds S 30 deg W from spot ht 2097 ft Doire na Mnatha
50k map sheet Ben Nevis (53)

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Map reference NM 8846 7500
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


S50028

Cross Polarized, S50028

Plane Polarized, S50028

Plane Polarized, S50028