BGS mineralogy and petrology collection record

Sample number	MR33286; COLLNORC1309;
Sample Donor	Cave,R.
Rock name	'Original entry: Shale'
Stratigraphy	Not entered
Comments	Shale overlaying limestone (MR33285) - bioturbated
Locality details	Mine tip lower adit, Cwm-gwnen Mine, 82yds at 020deg from Cwm-gwnen-uchaf, SW of Penygarnedd
50k map sheet	Bala (136) View images in GeoScenic related to 'Bala' View a geological map near 'Bala'
Map reference	SJ 0831 2208
Year collected	1976
Bore name	Not applicable
Confidentiality	No restrictions