BGS mineralogy and petrology collection record

Sample number E24537; COLLNOBN56;
Sample Donor Bisson,G.
Rock name 'Original entry: Hornblende Albite Oligoclase Rock'
Stratigraphy Not entered
Comments A second dyke, about 900 Ft. from W. portal.
Locality details From dump at West end of Prewley Tunnel.
50k map sheet Okehampton (324)

View images in GeoScenic related to 'Okehampton'

View the geology near 'Okehampton'

Map reference SX 549 909
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


E24537

Cross Polarized, E24537

Plane Polarized, E24537

Plane Polarized, E24537