BGS mineralogy and petrology collection record

Sample number E21962
Sample Donor Shannon,W.G.
Rock name Tuff. 'Original entry: Crystal Tuff'
Stratigraphy Not entered
Comments Not entered
Locality details St. John
50k map sheet Plymouth (348)

View images in GeoScenic related to 'Plymouth'

Map reference Not entered
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, E21962

Plane Polarized, E21962

Plane Polarized, E21962