BGS mineralogy and petrology collection record

Sample number S39534
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Biotite-Oligoclase Granodiorite, Contaminated'
Stratigraphy Not entered
Comments Fine-grained basic rock (probably hybridised by biotite granite)
Locality details Hillside, 1300 yds E 40 deg N of mouth of Allt an Doire Dharaich
50k map sheet Tobermory (52)

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Map reference NM 7625 4773
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


S39534

Cross Polarized, S39534

Plane Polarized, S39534

Plane Polarized, S39534