BGS mineralogy and petrology collection record

Sample number S31776
Sample Donor Simpson,J.B.
Rock name 'Original entry: Pegmatite'
Stratigraphy Not entered
Comments Pegmatite intrusion
Locality details 1200 yds NW of spot ht 2590 ft, Sgurr an Ursainn
50k map sheet Arisaig (61)

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Map reference NM 8616 8727
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


S31776

Cross Polarized, S31776

Plane Polarized, S31776

Plane Polarized, S31776