BGS mineralogy and petrology collection record

Sample number S74220; S74220/A; COLLNOGX954;
Sample Donor Mendum,J.R.
Rock name Psammite.
Stratigraphy Not entered
Comments Pale green/grey calcareous highly micaceous psammite
Locality details Coire Breac by Letterach, Ladder Hills
50k map sheet Tomintoul (75)

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Map reference NJ 2795 2123
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


S74220

Cross Polarized, S74220

Plane Polarized, S74220

Plane Polarized, S74220


S74220/A

Cross Polarized, S74220/A

Plane Polarized, S74220/A

Plane Polarized, S74220/A