BGS mineralogy and petrology collection record

Sample number	E1586
Sample Donor	Geikie,A.
Rock name	Porphyry. 'Original entry: Felsite'
Stratigraphy	Not entered
Comments	Not entered
Locality details	Cwm above Glaslyn, Snowdon
50k map sheet	Snowdon (119) View images in GeoScenic related to 'Snowdon' View the geology near 'Snowdon'
Map reference
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions