BGS mineralogy and petrology collection record

Sample number S11571
Sample Donor Grabham, G.W.
Rock name 'Original entry: Malchite / Hornblende Porphyrite'
Stratigraphy Not entered
Comments Dyke (second generation of hornblende); Memoir, p. 176
Locality details 800 yds NE of junction of Coire a' Chaolain and Coire Laoghan; top of Aonach Mor
50k map sheet Ben Nevis (53)

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Map reference NN 214 487
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


S11571

Cross Polarized, S11571

Plane Polarized, S11571

Plane Polarized, S11571