BGS mineralogy and petrology collection record

Sample number	MR11223
Sample Donor	Hall,T.C.
Rock name	Chert. 'Original entry: Chert - Lower Column'
Stratigraphy	Not entered
Comments	Chert - lower column,Collected byT.C. Hall TCH688
Locality details	,Barracadoes Quarry, St. Stephen, Launceston, Cornwall,
50k map sheet	Tavistock (337) View images in GeoScenic related to 'Tavistock' View a geological map near 'Tavistock'
Map reference	SX 321 856
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions