BGS mineralogy and petrology collection record

Sample number S30366
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Dolerite, With Pyrite'
Stratigraphy Not entered
Comments 6 ft W 15-20 deg N dolerite dyke with pyrite; ?type; cuts granodiorite
Locality details 1070 yds E 20 deg S of spot ht 2136 ft, Beinn na Cille
50k map sheet Tobermory (52)

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Map reference NM 8630 5382
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


S30366

Cross Polarized, S30366

Plane Polarized, S30366

Plane Polarized, S30366