BGS mineralogy and petrology collection record

Sample number	E9640
Sample Donor	Gibson,Dr.
Rock name	Dolerite (Synonymous With Microgabbro). 'Original entry: Olivine Dolerite.'
Stratigraphy	Not entered
Comments	Intrusion in Middle Coal Measures. See Geology of country around Lichfield, p110.
Locality details	Obtained from Ashmore Colliery Workings, Holly Bank.
50k map sheet	Lichfield (154) View images in GeoScenic related to 'Lichfield' View a geological map near 'Lichfield'
Map reference	SJ 96428 03375
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.