BGS mineralogy and petrology collection record

Sample number S39516
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Oligoclase-Microcline-Quartz Pegmatite'
Stratigraphy Not entered
Comments Pinkish aplopegmatite (2 inches) in granodiorite; cuts granodiorite and granodiorite porphyry
Locality details 1380 yds W 13 deg S of spot ht 1116 ft Taobh Dubh (roadside)
50k map sheet Tobermory (52)

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Map reference NM 7743 5671
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


S39516

Cross Polarized, S39516

Plane Polarized, S39516

Plane Polarized, S39516