BGS mineralogy and petrology collection record

Sample number	E36312; COLLNOMK52;
Sample Donor	Mckeown,M.C.
Rock name	'Original entry: Chert'
Stratigraphy	Not entered
Comments	Weathered banded silt from "chert" quarry.
Locality details	Old quarry, 800 Yds. E. of Tregeare House.
50k map sheet	Holsworthy (323) View images in GeoScenic related to 'Holsworthy' View the geology near 'Holsworthy'
Map reference	SX 2485 8656
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.