BGS mineralogy and petrology collection record

Sample number S45350; COLLNOYW30;
Sample Donor May,F.
Rock name 'Original entry: Spotted Spheniferous Biotite Tonalite'
Stratigraphy Not entered
Comments Intrusion in granite
Locality details 1410 yds W 38 deg S of summit (1122 ft) of Cnocan Dubh
50k map sheet Loch Eil (62)

View images in GeoScenic related to 'Loch Eil'

View the geology near 'Loch Eil'

Map reference NH 1629 0277
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


S45350

Cross Polarized, S45350

Plane Polarized, S45350

Plane Polarized, S45350