BGS mineralogy and petrology collection record

Sample number	E39924; COLLNOCE218;
Sample Donor	Evans,C.D.R.
Rock name	'Original entry: Tuffite'
Stratigraphy	Not entered
Comments	10' above base of LWR rhyolite tuffs. Crystal tuffite.
Locality details	Side Moel Siabad.
50k map sheet	Snowdon (119) View images in GeoScenic related to 'Snowdon' View the geology near 'Snowdon'
Map reference	SH 7140 5539
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.