BGS mineralogy and petrology collection record

Sample number S29797
Sample Donor Richey, James E.
Rock name 'Original entry: Biotite-Hornblende Granodiorite, Contaminated'
Stratigraphy Not entered
Comments Porphyritic xenolith in granodiorite
Locality details At headland S of entrance to Loch a' Choire
50k map sheet Tobermory (52)

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Map reference NM 8575 5155
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


S29797

Cross Polarized, S29797

Plane Polarized, S29797

Plane Polarized, S29797