BGS mineralogy and petrology collection record

Sample number S13856
Sample Donor Wright, William Bourke (only Wright in Survey before 1935, prob. same as H B Wright above)
Rock name Not entered
Stratigraphy Not entered
Comments Inner granite
Locality details 300 yds NE of Loch na Dairidh
50k map sheet Mull (44)

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Map reference NM 5776 4059
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


S13856

Cross Polarized, S13856

Plane Polarized, S13856

Plane Polarized, S13856