BGS mineralogy and petrology collection record

Sample number E58610; E58610/A; E58610/B; COLLNOJH1504;
Sample Donor Dangerfield,J.; Hawkes,J.R.;
Rock name 'Original entry: Granite'
Stratigraphy Not entered
Comments Kaolinized fine grained with abundant megacrysts
Locality details Longstone China Clay Pit, 3.9km at 315deg from Holy Trinity Church, St.Austell
50k map sheet Bodmin (347)

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Map reference SW 9810 5575
Year collected 1972 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E58610/A

Cross Polarized, E58610/A

Plane Polarized, E58610/A

Plane Polarized, E58610/A


E58610/B

Cross Polarized, E58610/B

Plane Polarized, E58610/B

Plane Polarized, E58610/B