BGS mineralogy and petrology collection record

Sample number S11478
Sample Donor Clough, C.T.
Rock name 'Original entry: Baked Biotite Malchite (Or Diorite Porphyrite)'
Stratigraphy Not entered
Comments Dyke in quartz felsite; Sp Gr 2.73
Locality details 760 yds SSE of trig pt 2731 ft Beinn Ceitlein
50k map sheet Ben Nevis (53)

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Map reference NN 1827 4845
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


S11478

Cross Polarized, S11478

Plane Polarized, S11478

Plane Polarized, S11478