BGS mineralogy and petrology collection record

Sample number S14697
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 Loch Ba dyke; Memoir, p. 346
Locality details 0.5 mile E 15 deg S of outlet of Lochan nam Ban Uaine
50k map sheet Mull (44)

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Map reference NM 6100 3546
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


S14697

Cross Polarized, S14697

Plane Polarized, S14697

Plane Polarized, S14697