BGS mineralogy and petrology collection record

Sample number E6949
Sample Donor Usher,W.A.E.
Rock name Rhyolite. 'Original entry: Elvan'
Stratigraphy Not entered
Comments Matrix greisened, feldspar kaolinised.
Locality details Elvan Quarry, NE. of Sticker.
50k map sheet Bodmin (347)

View images in GeoScenic related to 'Bodmin'

View a geological map near 'Bodmin'

Map reference SW 983 505
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, E6949

Plane Polarized, E6949

Plane Polarized, E6949