BGS mineralogy and petrology collection record

Sample number	MR736
Sample Donor	Not entered
Rock name	'Original entry: Shale'
Stratigraphy	Not entered
Comments	Spilosite. Llandeilo. 222/41, B/29.
Locality details	Portreuddyn Quarries, nr. Tremadoc, Merionethshire
50k map sheet	Snowdon (119) View images in GeoScenic related to 'Snowdon' View the geology near 'Snowdon'
Map reference	SH 578 408
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions