BGS mineralogy and petrology collection record

Sample number S40260; COLLNOXN648;
Sample Donor Wright,J.E.
Rock name 'Original entry: Highly Sheared Siltstone With Gritty Band'
Stratigraphy Not entered
Comments ?Mylonite; see Inverness 126SE note 2. Specimens S. 40258-40261 were collected in an eastward succession across the sheared junction of a belt of ORS sediments with sheared ?Dalradian schists; all the rocks are affected by movenents of the Great Glen
Locality details Stream section, 1100 yds N 32 deg W of Rathliesbeag
50k map sheet Loch Eil (62)

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Map reference NN 2052 8599
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


S40260

Cross Polarized, S40260

Plane Polarized, S40260

Plane Polarized, S40260