BGS mineralogy and petrology collection record

Sample number E7432; E7432/A;
Sample Donor Allister, D.Mc.
Rock name 'Original entry: Tourmalinized Greissen'
Stratigraphy Not entered
Comments Pseudomorphs of kaolinised tourmaline after feldspar.
Locality details Henbarrow Downs.
50k map sheet Bodmin (347)

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Map reference
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


E7432

Cross Polarized, E7432

Plane Polarized, E7432

Plane Polarized, E7432


E7432/A

Cross Polarized, E7432/A

Plane Polarized, E7432/A

Plane Polarized, E7432/A