BGS mineralogy and petrology collection record

Sample number S15580
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 From the same crush zone as S. 15577-15578
Locality details 200 yds up first tributary on SW side of Allt Bheithe
50k map sheet Mull (44)

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Map reference NM 5569 3501
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


S15580

Cross Polarized, S15580

Plane Polarized, S15580

Plane Polarized, S15580