BGS mineralogy and petrology collection record

Sample number	E53474; COLLNOAS144;
Sample Donor	Charley,T.J.
Rock name	Siltstone (Undifferentiated). 'Original entry: Siltstone'
Stratigraphy	Not entered
Comments	Siltstone. Denstone Formation. Mercia Mudstone Group. Triassic.
Locality details	Windyharbour (I.G.S.) BH. 1.1 miles SE. of Alton Parish Church.
50k map sheet	Ashbourne (124) View images in GeoScenic related to 'Ashbourne' View a geological map near 'Ashbourne'
Map reference	SK 0854 4100
Year collected	Not entered
Bore name	Windyharbour (I.G.S) Bh.
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.