BGS mineralogy and petrology collection record

Sample number	E30487; COLLNOC202;
Sample Donor	Collins,G.H.
Rock name	Wacke. 'Original entry: Greywacke'
Stratigraphy	Not entered
Comments	Khaki sandstone.
Locality details	Ash Farm, Petrockstow.
50k map sheet	Cholmleigh (309) View images in GeoScenic related to 'Cholmleigh' View a geological map near 'Cholmleigh'
Map reference	SS 519 081
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.