BGS mineralogy and petrology collection record

Sample number E21912
Sample Donor Shannon,W.G.
Rock name 'Original entry: Quartz Orthoclase Porphyry Tourmalinized'
Stratigraphy Not entered
Comments Tourmaline quartz porphyry. No rock. Pebbles from Permian breccia.
Locality details Maidencombe.
50k map sheet Newton Abbot (339)

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Map reference SX 926 684
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


E21912

Cross Polarized, E21912

Plane Polarized, E21912

Plane Polarized, E21912