BGS mineralogy and petrology collection record

Sample number	E16762; COLLNOM 11;
Sample Donor	Pulfrey, W.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Pres. W.Pulfrey. Pisolitic Magnetite Calcite Rock
Locality details	Tyllau Mwn
50k map sheet	Bala (136) View images in GeoScenic related to 'Bala' View a geological map near 'Bala'
Map reference	SH 844 206
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.