BGS mineralogy and petrology collection record

Sample number E3838; COLLNO310;
Sample Donor Hill, J.B.
Rock name Porphyry. 'Original entry: Granite Porphyry'
Stratigraphy Not entered
Comments Schorlaceous.
Locality details 600 Yds. W. by S. of Trebowland.
50k map sheet Falmouth (352)

View images in GeoScenic related to 'Falmouth'

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


E3838

Cross Polarized, E3838

Plane Polarized, E3838

Plane Polarized, E3838