BGS mineralogy and petrology collection record

Sample number	E11400; COLLNO199;
Sample Donor	Greenly,E.
Rock name	'Original entry: Powder Of Grey Limestone (Reidue From H.Cl.) Residue From Limestone (O.R.S.)'
Stratigraphy	Not entered
Comments	Old Red Sandstone Series. See Mem.Geol.of Anglesey.pp.580-581: 593. Idiomorphic quartz and ? Kaolinite Residues
Locality details	Coast NE.of Penrhyn
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 491 884
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.