BGS mineralogy and petrology collection record

Sample number S13868
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 Inclined sheet
Locality details N face of Beinn Creagach Mhor
50k map sheet Mull (44)

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Map reference NM 6324 3933
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


S13868

Cross Polarized, S13868

Plane Polarized, S13868

Plane Polarized, S13868