BGS mineralogy and petrology collection record

Sample number S74275; COLLNOGX841;
Sample Donor Mendum,J.R.
Rock name Porphyry.
Stratigraphy Not entered
Comments Green-grey/white mottled feldspar porphyry (?Devonian)
Locality details Water of Ailnack, 990m SSW of Allt Dearcaige junction
50k map sheet Tomintoul (75)

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Map reference NJ 1322 1257
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


S74275

Cross Polarized, S74275

Plane Polarized, S74275

Plane Polarized, S74275