BGS mineralogy and petrology collection record

Sample number S30367
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Dolerite'
Stratigraphy Not entered
Comments 3-4 ft W 20 deg N dolerite dyke; cuts granodiorite (?type)
Locality details 970 yds E 10 deg S of spot ht 2136 ft, Beinn na Cille
50k map sheet Tobermory (52)

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Map reference NM 8629 5400
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


S30367

Cross Polarized, S30367

Plane Polarized, S30367

Plane Polarized, S30367