BGS mineralogy and petrology collection record

Sample number S9272
Sample Donor Hill, J.B.
Rock name 'Original entry: Quartz-Biotite Diorite / Porphyrite'
Stratigraphy Not entered
Comments Not entered
Locality details 1.5 miles NW of Castles
50k map sheet Oban (45)

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Map reference NN 127 306
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


S9272

Cross Polarized, S9272

Plane Polarized, S9272

Plane Polarized, S9272