BGS mineralogy and petrology collection record

Sample number S71168; COLLNONX990;
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); near-concordant sheet, 2 m thick, dip 35 deg SW
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 3548 9515
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


S71168

Cross Polarized, S71168

Plane Polarized, S71168

Plane Polarized, S71168