BGS mineralogy and petrology collection record

Sample number	E63669; COLLNOKB669;
Sample Donor	Not entered
Rock name	Microgranite. 'Original entry: Microgranite'
Stratigraphy	Not entered
Comments	Intrusive into siltstones.(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=
Locality details	Cwmystradllyn, 100m NE of Braich y Cornel
50k map sheet	Snowdon (119) View images in GeoScenic related to 'Snowdon' View the geology near 'Snowdon'
Map reference	SH 5520 4515
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.