BGS mineralogy and petrology collection record

Sample number S13903
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 Relations unknown
Locality details NW face of Beinn na Duathanach
50k map sheet Mull (44)

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Map reference NM 5975 3715
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


S13903

Cross Polarized, S13903

Plane Polarized, S13903

Plane Polarized, S13903