BGS mineralogy and petrology collection record

Sample number	E38117; MR31816; COLLNOGRITSTONE;
Sample Donor	Wright,J.
Rock name	'Original entry: Silty Greywacke'
Stratigraphy	Not entered
Comments	Welcombe Formation; Upper Carboniferous. Used as part of 1970's Roadstone Project
Locality details	Quarry in Mount Wood, 650 Yds. SSE. of Rosemoor which is 0.75 miles SE. of Gt. Torrington.
50k map sheet	Cholmleigh (309) View images in GeoScenic related to 'Cholmleigh' View the geology near 'Cholmleigh'
Map reference	SS 5015 1755
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.