BGS mineralogy and petrology collection record

Sample number S11481
Sample Donor Clough, C.T.
Rock name 'Original entry: Quartz Porphyry'
Stratigraphy Not entered
Comments Dyke in granite margin, stops S of Stob na Broige; memoir, p. 174
Locality details 1400 yds E of Dalness
50k map sheet Ben Nevis (53)

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Map reference NN 1818 5107
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


S11481

Cross Polarized, S11481

Plane Polarized, S11481

Plane Polarized, S11481