BGS mineralogy and petrology collection record

Sample number E21775
Sample Donor Shannon,W.G.
Rock name Porphyry. 'Original entry: Felsite'
Stratigraphy Not entered
Comments Not entered
Locality details Withnoe
50k map sheet Plymouth (348)

View images in GeoScenic related to 'Plymouth'

View a geological map near 'Plymouth'

Map reference
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


E21775

Cross Polarized, E21775

Plane Polarized, E21775

Plane Polarized, E21775