BGS mineralogy and petrology collection record

Sample number S14682
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 Lava (of Breccia Group)
Locality details 0.75 mile NNW of trig pt 1493 ft Beinn Duatharach
50k map sheet Mull (44)

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Map reference NM 6001 3720
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


S14682

Cross Polarized, S14682

Plane Polarized, S14682

Plane Polarized, S14682