BGS mineralogy and petrology collection record

Sample number S39826; COLLNOXN539;
Sample Donor Wright,J.E.
Rock name 'Original entry: Altered Microdiorite (Porphyrite Suite)'
Stratigraphy Not entered
Comments From same c. 120 ft wide ?composite and multiple microdiorite/porphyrite vertical sheet or dyke as S. 39827. Trend NNE. Apparent large width of this sheet may be due to coalescing of several smaller sheets
Locality details 740 yds W 13 deg S of Rathliesbeag
50k map sheet Loch Eil (62)

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Map reference NN 2035 8499
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


S39826

Cross Polarized, S39826

Plane Polarized, S39826

Plane Polarized, S39826