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 the geology 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.