BGS mineralogy and petrology collection record

Sample number E58767; E58767/A; E58767/B; COLLNOJH1840;
Sample Donor Dangerfield,J.; Hawkes,J.R.; Wheatley, C.W.;
Rock name 'Original entry: Granite'
Stratigraphy Not entered
Comments Medium grained biotite granite
Locality details Hill around St.Deny's Church, St.Dennis
50k map sheet Bodmin (347)

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Map reference SW 9510 5830
Year collected 1976 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E58767/A

Cross Polarized, E58767/A

Plane Polarized, E58767/A

Plane Polarized, E58767/A


E58767/B

Cross Polarized, E58767/B

Plane Polarized, E58767/B

Plane Polarized, E58767/B