BGS mineralogy and petrology collection record

Sample number E58621; E58621/A; E58621/B; COLLNOJH1534;
Sample Donor Hawkes,J.R.; Wheatley, C.W.;
Rock name 'Original entry: Granite'
Stratigraphy Not entered
Comments Megacrystic (finer groundmass type)
Locality details Burthy Quarry, 3.65km at 309deg from St. Stephen's Church, St.Stephen
50k map sheet Bodmin (347)

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Map reference SW 9172 5565
Year collected 1972 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E58621/A

Cross Polarized, E58621/A

Plane Polarized, E58621/A

Plane Polarized, E58621/A


E58621/B

Cross Polarized, E58621/B

Plane Polarized, E58621/B

Plane Polarized, E58621/B