BGS mineralogy and petrology collection record

Sample number	E36276; COLLNOMK16;
Sample Donor	Mckeown,M.C.
Rock name	'Original entry: Siltstone'
Stratigraphy	Not entered
Comments	Banded siliceous slate (? chert). Lower Culm.
Locality details	S. bank of railway cutting, 210 Yds. S. at 20 deg. W. of Tresmeer Station.
50k map sheet	Holsworthy (323) View images in GeoScenic related to 'Holsworthy' View a geological map near 'Holsworthy'
Map reference	SX 2283 8857
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.