BGS mineralogy and petrology collection record

Sample number	E38121; MR31820; COLLNOGRITSTONE;
Sample Donor	Wright,J.
Rock name	Wacke. 'Original entry: Greywacke'
Stratigraphy	Not entered
Comments	Bude Formation; Upper Carboniferous. Used as part of 1970's Roadstone Project
Locality details	Oldborough Quarry, 350 Yds. ESE. of Oldborough, which is 3/4 mile S. of Morchard Bishop.
50k map sheet	Cholmleigh (309) View images in GeoScenic related to 'Cholmleigh' View a geological map near 'Cholmleigh'
Map reference	SS 776 063
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.