BGS mineralogy and petrology collection record

Sample number E7342
Sample Donor Enquiry
Rock name 'Original entry: Tonalite. Quartz Diorite'
Stratigraphy Not entered
Comments Enquiry.HM.OW.
Locality details John Mowlems Quarries, Guernsey
50k map sheet Not entered
Map reference 49:28,2:34
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


E7342

Cross Polarized, E7342

Plane Polarized, E7342

Plane Polarized, E7342