BGS mineralogy and petrology collection record

Sample number S75779; COLLNOGX1106;
Sample Donor Mendum,J.R.
Rock name Porphyry.
Stratigraphy Not entered
Comments Pale grey feldspar porphyry
Locality details River Avon, 130m NNW of junction with Allt nam Muc
50k map sheet Tomintoul (75)

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Map reference NJ 1426 2219
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


S75779

Cross Polarized, S75779

Plane Polarized, S75779

Plane Polarized, S75779