BGS mineralogy and petrology collection record

Sample number	E10699; COLLNO100;
Sample Donor	Blake,Professor
Rock name	'Original entry: Quartz-Albite Dust'
Stratigraphy	Not entered
Comments	Mona Complex. Gwna Beds. See Mem.Geol.of Anglesey.p.350. Minute angular frag's of albite & quartz in a feldspathic matrix.
Locality details	No.4 Llangefni, N.nearest to it
50k map sheet	Caernarfon (105) View images in GeoScenic related to 'Caernarfon' View the geology near 'Caernarfon'
Map reference	SH 45 75
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.