BGS mineralogy and petrology collection record

Sample number S50660; S50660/A; COLLNOZA746;
Sample Donor Chisholm,J.I.
Rock name Not entered
Stratigraphy Not entered
Comments Plug or lava
Locality details Quarry on Knockhill, 1400 ft at 235 deg from Wester Friarton farmhouse
50k map sheet Arbroath (49)

View images in GeoScenic related to 'Arbroath'

View a geological map near 'Arbroath'

Map reference NO 4229 2567
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


S50660

Cross Polarized, S50660

Plane Polarized, S50660

Plane Polarized, S50660


S50660/A

Cross Polarized, S50660/A

Plane Polarized, S50660/A

Plane Polarized, S50660/A