BGS mineralogy and petrology collection record

Sample number S75766; COLLNOGX1093;
Sample Donor Mendum,J.R.
Rock name Porphyry.
Stratigraphy Not entered
Comments Pale grey, medium grained felsite
Locality details Allt a'Choileachain, 950m SE of Lynn Bridge
50k map sheet Tomintoul (75)

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Map reference NJ 2244 2903
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


S75766

Cross Polarized, S75766

Plane Polarized, S75766

Plane Polarized, S75766