BGS mineralogy and petrology collection record

Sample number S7709
Sample Donor Symes, Richard G
Rock name 'Original entry: Biotite Porphyrite'
Stratigraphy Not entered
Comments Intrusive
Locality details 0.75 mile E of Inion
50k map sheet Oban (45)

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Map reference NM 9716 3545
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


S7709

Cross Polarized, S7709

Plane Polarized, S7709

Plane Polarized, S7709