BGS mineralogy and petrology collection record

Sample number S11536
Sample Donor Grabham, G.W.
Rock name 'Original entry: Hornblende Porphyry'
Stratigraphy Not entered
Comments Dyke edge
Locality details 100 yds above head of burn which flows into the Etive opposite Allt Cloiche Finne
50k map sheet Ben Nevis (53)

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Map reference NN 2241 5148
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


S11536

Cross Polarized, S11536

Plane Polarized, S11536

Plane Polarized, S11536