BGS mineralogy and petrology collection record

Sample number E20537
Sample Donor Not entered
Rock name 'Original entry: Olivine-Dolerite.'
Stratigraphy Not entered
Comments After attrition tests. Decomposed olivine-dolerite with much analcite and chlorite.
Locality details Bentley Quarry, one mile west of Walsall, off main Wolverhampton Road on Bentley Common.
50k map sheet Lichfield (154)

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Map reference SO 09 09
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


E20537

Cross Polarized, E20537

Plane Polarized, E20537

Plane Polarized, E20537