BGS mineralogy and petrology collection record

Sample number S17948
Sample Donor Richey, James E.
Rock name 'Original entry: Granophyre'
Stratigraphy Not entered
Comments Granophyre ring dyke; central part
Locality details 1710 yds N of summit of Beinn a' Mheadhoin
50k map sheet Mull (44)

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Map reference NM 5877 3286
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


S17948

Cross Polarized, S17948

Plane Polarized, S17948

Plane Polarized, S17948