BGS mineralogy and petrology collection record

Sample number S28404
Sample Donor Simpson,J.B.
Rock name 'Original entry: ?Porphyrite'
Stratigraphy Not entered
Comments Dyke or sheet
Locality details At bend in stream 1000 yds due S of spot ht 1679 ft E of Beinn Iadain
50k map sheet Tobermory (52)

View images in GeoScenic related to 'Tobermory'

View the geology near 'Tobermory'

Map reference NM 6984 5477
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


S28404

Cross Polarized, S28404

Plane Polarized, S28404

Plane Polarized, S28404