BGS mineralogy and petrology collection record

Sample number E13312
Sample Donor Anderson,F.W.
Rock name 'Original entry: Porphyry (Q-Alb-M)'
Stratigraphy Not entered
Comments ISOLATED CROP UO JUNCTION. INTRUSIVE IN ASH AREA Sample no.81
Locality details ROADSIDE AT KNOCK BURN
50k map sheet Alnwick (6)

View images in GeoScenic related to 'Alnwick'

View the geology near 'Alnwick'

Map reference NT 991 164
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


E13312

Cross Polarized, E13312

Plane Polarized, E13312

Plane Polarized, E13312