BGS mineralogy and petrology collection record

Sample number	E21093; COLLNOBW154;
Sample Donor	Welch,F.B.A.
Rock name	'Original entry: Dolomite'
Stratigraphy	Not entered
Comments	Types of marginal Trias (local equivalent of dolomitic conglomerate).ld Red Sandstone.
Locality details	Farthinghill Wood, N. end, 1140 Yds. NW. of Portskewett Church and 1350 Yds. NE. of Caldicot Church.
50k map sheet	Chepstow (250) View images in GeoScenic related to 'Chepstow' View the geology near 'Chepstow'
Map reference	ST 496 890
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.