BGS mineralogy and petrology collection record

Sample number	E31777; COLLNO348;
Sample Donor	Dixon,E.E.L.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Sponge Chert (black) S2 top. Bedding enclosing dolomite rhombs.
Locality details	Lydstep.
50k map sheet	Pembroke (245) View images in GeoScenic related to 'Pembroke' View a geological map near 'Pembroke'
Map reference	SS 090 980
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.