BGS mineralogy and petrology collection record

Sample number E18392
Sample Donor Dunham,K.C.
Rock name 'Original entry: Chalceoonic Silica Wacke'
Stratigraphy Not entered
Comments SUGARY SILICA Sample no.MR12
Locality details COWGREEN MINES MAIN SHAFT FORELEAD 191' LEVEL S.
50k map sheet Alston (25)

View images in GeoScenic related to 'Alston'

View the geology near 'Alston'

Map reference NY 81 30
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


E18392

Cross Polarized, E18392

Plane Polarized, E18392

Plane Polarized, E18392