BGS mineralogy and petrology collection record

Sample number S40540; COLLNOXN815;
Sample Donor Wright,J.E.
Rock name 'Original entry: Quartz-Microdiorite'
Stratigraphy Not entered
Comments ?Hornblende schist from 30 ft sheet cut by thin granitic veins
Locality details Allt Tarsuinn, 320 yds N 7 deg W of junction of Allt Tarsuinn and Amhainn Chia-aig
50k map sheet Loch Eil (62)

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Map reference NN 1869 9312
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


S40540

Cross Polarized, S40540

Plane Polarized, S40540

Plane Polarized, S40540