BGS mineralogy and petrology collection record

Sample number	E21095; COLLNOBW156;
Sample Donor	Welch,F.B.A.
Rock name	'Original entry: Sandy Dolomite'
Stratigraphy	Not entered
Comments	Types of marginal Trias (local equivalent of dolomitic conglomerate).ld Red Sandstone.
Locality details	Ravine, 300 Yds. NNE. of Upper Millbrook, 1050 Yds. NNE. of Llanvaches Church.
50k map sheet	Chepstow (250) View images in GeoScenic related to 'Chepstow' View the geology near 'Chepstow'
Map reference	ST 436 927
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.