BGS mineralogy and petrology collection record

Sample number	E36310; COLLNOMK50;
Sample Donor	Mckeown,M.C.
Rock name	'Original entry: Siltstone Mineral Sample'
Stratigraphy	Not entered
Comments	? Manganese impregnated altered siltstone with joint faces showing well formed crystals.
Locality details	Old quarry, 340 Yds. W. at 15 deg. N. of Treburrow Farm.
50k map sheet	Holsworthy (323) View images in GeoScenic related to 'Holsworthy' View the geology near 'Holsworthy'
Map reference	SX 2530 8751
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.