BGS mineralogy and petrology collection record

Sample number S75768; COLLNOGX1095;
Sample Donor Mendum,J.R.
Rock name Porphyry.
Stratigraphy Not entered
Comments Felsic margin to lamprophyre
Locality details Allt a'Choileachain, 330m downstream of junction with Dairy Burn
50k map sheet Tomintoul (75)

View images in GeoScenic related to 'Tomintoul'

View a geological map near 'Tomintoul'

Map reference NJ 2301 2884
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


S75768

Cross Polarized, S75768

Plane Polarized, S75768

Plane Polarized, S75768