BGS mineralogy and petrology collection record

Sample number	E66957; COLLNORJM529;
Sample Donor	Merriman,R.J.; Pratt, W.;
Rock name	Not entered
Stratigraphy	Not entered
Comments	Pisolithic ironstone. Llanvirn/Caradoc ?
Locality details	0.5 Km S of Llyn Gafr, Cadair Idris
50k map sheet	Barmouth (149) View images in GeoScenic related to 'Barmouth' View a geological map near 'Barmouth'
Map reference	SH 7099 1375
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.