BGS mineralogy and petrology collection record

Sample number	E63670; COLLNOKB670;
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 SW of cairn.
50k map sheet	Snowdon (119) View images in GeoScenic related to 'Snowdon' View the geology near 'Snowdon'
Map reference	SH 5512 4490
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.