BGS mineralogy and petrology collection record

Sample number S41963; COLLNOXN1220;
Sample Donor Wright,J.E.
Rock name 'Original entry: Grey Hornblende Porphyrite'
Stratigraphy Not entered
Comments Grey hornblende porphyrite from marginal part of 12 ft composite dyke (trend E 35 deg N) cutting hornfelsed Leven Schists
Locality details Allt Coille-rais, 1810 yds E 2 deg N of of summit (2171 ft) of Sgor a' Pheanais
50k map sheet Loch Eil (62)

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Map reference NN 2056 7621
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


S41963

Cross Polarized, S41963

Plane Polarized, S41963

Plane Polarized, S41963