BGS mineralogy and petrology collection record

Sample number S71169; COLLNONX991;
Sample Donor Rock,N.M.S.
Rock name 'Original entry: Lamprophyre'
Stratigraphy Not entered
Comments Lamprophyre sheet in Colonsay Group ; may belong to microdiorite or lamprophyre suites (Caledonian); discordant dyke, 3-4 m thick, dip 85 deg NNE
Locality details N side of An Rubha W coast of Colonsay
50k map sheet Colonsay (35)

View images in GeoScenic related to 'Colonsay'

View the geology near 'Colonsay'

Map reference NR 3563 9522
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


S71169

Cross Polarized, S71169

Plane Polarized, S71169

Plane Polarized, S71169