BGS mineralogy and petrology collection record

Sample number S42032; COLLNOYB571;
Sample Donor Lawrie,T.R.M.
Rock name 'Original entry: Porphyrite'
Stratigraphy Not entered
Comments Sub-concordant sheet which transgresses upwards in steps; >9 ft thick, contains schist xenoliths and sub-rounded xenoliths up to 18 inches across of coarse porphyritic ?granodiorite like that of no. 2 intrusion if Lianachain Complex. Porphyrite
Locality details Allt Coire an Eoin, 1015 yds S 39.5 deg W of junction with Allt Beithe
50k map sheet Loch Eil (62)

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Map reference NN 2198 7534
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


S42032

Cross Polarized, S42032

Plane Polarized, S42032

Plane Polarized, S42032