BGS mineralogy and petrology collection record

Sample number S40251; COLLNOXN629;
Sample Donor Wright,J.E.
Rock name 'Original entry: Fine-Grained Altered Spherulitic Hornblende Porphyrite'
Stratigraphy Not entered
Comments Fine-grained ?lamprophyre from c. 7 ft concordant sheet in quartz schist
Locality details Tributary of Allt Odhar, 2540 yds E 18 deg S of Rathliesbeag
50k map sheet Loch Eil (62)

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Map reference NN 2319 8431
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


S40251

Cross Polarized, S40251

Plane Polarized, S40251

Plane Polarized, S40251