BGS mineralogy and petrology collection record

Sample number	E52690; COLLNORC347; X7970;
Sample Donor	Cave,R.
Rock name	Siltstone (Undifferentiated). 'Original entry: Siltstone'
Stratigraphy	Not entered
Comments	Valley Bulge - U. Lias Cephalopod bed. Rock is calcareous, argillaceous, iron rich siltstone.
Locality details	560 m. at 228 deg. from St. Bartholomew's Church, Oakridge, Lynch.
50k map sheet	Gloucester (234) View images in GeoScenic related to 'Gloucester' View the geology near 'Gloucester'
Map reference	SO 9172 0297
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.