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 the geology near 'Tavistock'
Map reference	SX 321 856
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions