BGS mineralogy and petrology collection record

Sample number	E10976; COLLNO57;
Sample Donor	Matley, C.A
Rock name	'Original entry: Limestone'
Stratigraphy	Not entered
Comments	see mem. Geology of Anglesey pp 310-311 Calcite carbonaceous dust. Well bedded with seam of black dust fine Mona Complex Gwna Beds
Locality details	S. side of Hell's Mouth [ass. With Quartzite]
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 393 949
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.