BGS mineralogy and petrology collection record

Sample number E12934; COLLNO22;
Sample Donor Robertson,T.
Rock name Not entered
Stratigraphy Not entered
Comments Archean core of Malvern Hills
Locality details Colewall New Tunnel, 1496 ft from E face
50k map sheet Worcester (199)

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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


E12934

Cross Polarized, E12934

Plane Polarized, E12934

Plane Polarized, E12934