BGS mineralogy and petrology collection record

Sample number S40301; COLLNOXN754;
Sample Donor Wright,J.E.
Rock name 'Original entry: Foliated Quartz-Microdiorite'
Stratigraphy Not entered
Comments Foliated microdiorite from 5 ft apparently concordant sheet in psammite
Locality details Allt Dubh, 2830 yds E 37.5 deg N of Ardachvie
50k map sheet Loch Eil (62)

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Map reference NN 1620 9181
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


S40301

Cross Polarized, S40301

Plane Polarized, S40301

Plane Polarized, S40301