BGS mineralogy and petrology collection record

Sample number E12925; COLLNO13;
Sample Donor Robertson,T.
Rock name Not entered
Stratigraphy Not entered
Comments Archean core of Malvern Hills
Locality details Colewall New Tunnel, 817 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


E12925

Cross Polarized, E12925

Plane Polarized, E12925

Plane Polarized, E12925