BGS mineralogy and petrology collection record

Sample number S10297; S10297/A;
Sample Donor Kynaston, Herbert
Rock name 'Original entry: Quartz-Biotite Diorite Or Granite (Changed To Porphyritic Granophyre)'
Stratigraphy Not entered
Comments Boulder in Lower ORS conglomerate; Pre-Tertiary Mem, p. 26, Sh. 53 Mem, p. 167; Summ Prog. 1902, p. 78
Locality details NE end of Kerrera
50k map sheet Mull (44)

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Map reference NM 847 311
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


S10297

Cross Polarized, S10297

Plane Polarized, S10297

Plane Polarized, S10297


S10297/A

Cross Polarized, S10297/A

Plane Polarized, S10297/A

Plane Polarized, S10297/A