BGS mineralogy and petrology collection record

Sample number E4322; COLLNO17;
Sample Donor Usher,W.A.E.
Rock name Tuff. 'Original entry: Sheared Tuff'
Stratigraphy Not entered
Comments Midd. Devonian
Locality details Drakes Island. Plymouth Sound
50k map sheet Plymouth (348)

View images in GeoScenic related to 'Plymouth'

View a geological map near 'Plymouth'

Map reference SX 471 528
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, E4322

Plane Polarized, E4322

Plane Polarized, E4322