BGS mineralogy and petrology collection record

Sample number S11469
Sample Donor Clough, C.T.
Rock name 'Original entry: Biotite-Hornblende Porphyrite (Microdiorite)'
Stratigraphy Not entered
Comments Dyke in granite, Sp Gr 2.66
Locality details 1433 yds E of trig pt 2731 ft Beinn Ceitlein
50k map sheet Ben Nevis (53)

View images in GeoScenic related to 'Ben Nevis'

View the geology near 'Ben Nevis'

Map reference NN 1901 4917
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


S11469

Cross Polarized, S11469

Plane Polarized, S11469

Plane Polarized, S11469