BGS mineralogy and petrology collection record

Sample number	E36302; COLLNOMK42;
Sample Donor	Mckeown,M.C.
Rock name	'Original entry: Chert'
Stratigraphy	Not entered
Comments	Poorly cleaved, tough, siliceous rock, with possible fossils.
Locality details	Old quarry, 250 Yds. N. at 40 deg. E. of Treludick Farm. NW. face.
50k map sheet	Holsworthy (323) View images in GeoScenic related to 'Holsworthy' View the geology near 'Holsworthy'
Map reference	SX 2552 8828
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.