BGS mineralogy and petrology collection record

Sample number S39807; COLLNOXN481;
Sample Donor Wright,J.E.
Rock name 'Original entry: Altered Mafic Hornblende Porphyrite'
Stratigraphy Not entered
Comments From 15 ft sheet (inclined at 45 deg to NW) which is broken but not sheared. Sheet is intruded into slightly sheared psammite or quartz schist
Locality details 1210 yds E 14 deg N of Mucomir Manse
50k map sheet Loch Eil (62)

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Map reference NN 1982 8384
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


S39807

Cross Polarized, S39807

Plane Polarized, S39807

Plane Polarized, S39807