BGS mineralogy and petrology collection record

Sample number	E23836; COLLNOGG12;
Sample Donor	Green,G.W.
Rock name	'Original entry: Secondary Silica-Rock With Barite'
Stratigraphy	Not entered
Comments	Harptree Chert beds
Locality details	1260yds SE. Spot height 867 on Compton Martin Wells road 560yds NE. Spring Farm
50k map sheet	Wells (280) View images in GeoScenic related to 'Wells' View the geology near 'Wells'
Map reference	ST 550 543
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.