BGS mineralogy and petrology collection record

Sample number S40425; S40425/A; COLLNOXT13;
Sample Donor McCall, J.
Rock name 'Original entry: Quartz, Oligoclase, Chloritised Biotite'
Stratigraphy Not entered
Comments Granitic permeation gneiss; probably extreme of injection in Moine pelitic host. Summ Prog 1955, pp. 58, 60-61
Locality details Allt an Fhaing, 500 yds due S of Callop
50k map sheet Loch Eil (62)

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Map reference NM 9238 7826
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


S40425

Cross Polarized, S40425

Plane Polarized, S40425

Plane Polarized, S40425


S40425/A

Cross Polarized, S40425/A

Plane Polarized, S40425/A

Plane Polarized, S40425/A