BGS mineralogy and petrology collection record

Sample number E30268
Sample Donor Poole,E.G.
Rock name Dolerite (Synonymous With Microgabbro). 'Original entry: Dolomitized, 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. (Darlastan Borough engineers Dept.) at Bentley Estate. Bottom of sill at 76' 4".
50k map sheet Lichfield (154)

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Map reference SO 9788 9893
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


E30268

Cross Polarized, E30268

Plane Polarized, E30268

Plane Polarized, E30268