BGS mineralogy and petrology collection record

Sample number E32021; COLLNOKB306;
Sample Donor Beer,K.E.
Rock name 'Original entry: Altered Lamprophyre (Olivine Biotite)'
Stratigraphy Not entered
Comments Weathered dyke rock. Throughout exp. faces. Old working faces flooded.
Locality details Quarry, W. of Lew Moor Farm.
50k map sheet Okehampton (324)

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Map reference SS 513 027
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


E32021

Cross Polarized, E32021

Plane Polarized, E32021

Plane Polarized, E32021