BGS mineralogy and petrology collection record

Sample number S15565
Sample Donor Wright, William Bourke (only Wright in Survey before 1935, prob. same as H B Wright above)
Rock name 'Original entry: Felsite'
Stratigraphy Not entered
Comments Felsite intrusion, above Glen Cannel Granite; Memoir, p. 335
Locality details Slopes of Bith Bheinn, 0.60 mile N 40 deg W from Gortenbuie
50k map sheet Mull (44)

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Map reference NM 5853 3511
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


S15565

Cross Polarized, S15565

Plane Polarized, S15565

Plane Polarized, S15565