BGS mineralogy and petrology collection record

Sample number S29796
Sample Donor Richey, James E.
Rock name 'Original entry: Hornblende-Biotite Microdiorite, Appinitic'
Stratigraphy Not entered
Comments Ovoid basic xenolith in granodiorite
Locality details Shore 400 yds S of headland S of entrance to Loch a' Choire
50k map sheet Tobermory (52)

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Map reference NM 8561 5128
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


S29796

Cross Polarized, S29796

Plane Polarized, S29796

Plane Polarized, S29796