BGS mineralogy and petrology collection record

Sample number	E26283; COLLNO1;
Sample Donor	Eyles,V.A.
Rock name	Monchiquite. 'Original entry: Monchiquite'
Stratigraphy	Not entered
Comments	Ash matrix of volcanic vent.
Locality details	Near Great House, 9 miles WNW. of Shirenewton.
50k map sheet	Chepstow (250) View images in GeoScenic related to 'Chepstow' View the geology near 'Chepstow'
Map reference	ST 420 968
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.