BGS mineralogy and petrology collection record

Sample number S41147; COLLNOXN1065;
Sample Donor Wright,J.E.
Rock name 'Original entry: Grey Microdiorite With Feldspar Phenocrysts'
Stratigraphy Not entered
Comments Grey microdiorite with feldspar phenocrysts. ?Dyke rock; see HE 26/R7
Locality details BH Arg 100NE/2 (Williamsons No. E4), 2505 yds N 10 deg W of junction of Allt Cruiniche with River Awe; depth 26 ft
50k map sheet Oban (45)

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Map reference NN 0326 3149
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


S41147

Cross Polarized, S41147

Plane Polarized, S41147

Plane Polarized, S41147