BGS mineralogy and petrology collection record

Sample number E30267
Sample Donor Poole,E.G.
Rock name Dolerite (Synonymous With Microgabbro). 'Original entry: Dolomitised, Kaolinised 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. No.1 BH (Darlastan Borough Engineers Dept.) at Bentley Estate. Centre of sill at 73' 6".
50k map sheet Lichfield (154)

View images in GeoScenic related to 'Lichfield'

View a geological map near 'Lichfield'

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


E30267

Cross Polarized, E30267

Plane Polarized, E30267

Plane Polarized, E30267