BGS mineralogy and petrology collection record

Sample number E30266
Sample Donor Poole,E.G.
Rock name Dolerite (Synonymous With Microgabbro). 'Original entry: Dolomitised, Kaolinised Chilled Dolerite.'
Stratigraphy Not entered
Comments 5' 4" Sill intruded into coal measures. Probably carboniferous in age of Rawley Regis and Ladywood occurences.
Locality details On east bank of canal N.E. of County Bridge Farm Bentley Estate. Darlaston. No.1 BH (Darlastan) Borough Engineers Dept.) at Bentley Estate. Top of sill at 71'.
50k map sheet Lichfield (154)

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Map reference SO 97930 98987
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


E30266

Cross Polarized, E30266

Plane Polarized, E30266

Plane Polarized, E30266