BGS mineralogy and petrology collection record

Sample number S14678
Sample Donor Wright, William Bourke (only Wright in Survey before 1935, prob. same as H B Wright above)
Rock name 'Original entry: Felsite, Xenolithic'
Stratigraphy Not entered
Comments Felsite intrusion above Glen Cannel Granite; Memoir, p. 335
Locality details 0.25 mile SSW of summit of Sron nam Boc
50k map sheet Mull (44)

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Map reference NM 5761 3842
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


S14678

Cross Polarized, S14678

Plane Polarized, S14678

Plane Polarized, S14678