BGS mineralogy and petrology collection record

Sample number E24088; MR18482; COLLNOBN74;
Sample Donor Bisson,G.
Rock name Tuff. 'Original entry: Contact Altered Crystal Tuff'
Stratigraphy Not entered
Comments Tuff series. Fine grained tuff. (Classification due to W.R.Dearman).
Locality details Meldon Quarry, 2 miles SW. of Okehampton. (BR-S.Reg).
50k map sheet Okehampton (324)

View images in GeoScenic related to 'Okehampton'

View the geology near 'Okehampton'

Map reference SX 568 926
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


Cross Polarized, E24088

Plane Polarized, E24088

Plane Polarized, E24088