BGS mineralogy and petrology collection record

Sample number MR30158
Sample Donor Not entered
Rock name 'Original entry: Dolerite With Poikilitic ?Browzite'
Stratigraphy Not entered
Comments Dolerite with poikilitic ?browzite, ,Commodity:coal,Collected by A Fowler:
Locality details Chasnall No 15 seam upcast shaft between 340ft and 380ft below surface. Jaria Coalfield, Dhanbad, Bihar,Chasnalla Mine,c. 2ft thick band in burnt coal,India
50k map sheet Not entered
Map reference 23:40,86:25
Year collected 1968 
Bore name Not applicable
Confidentiality No restrictions