BGS mineralogy and petrology collection record

Sample number	E29771; COLLNOKC459;
Sample Donor	Sanderson,R.W.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Hornblende schist. Penmynydd Zone. Mona Complex.
Locality details	Hengae Qy., 650yd. NW.of Llangaffo
50k map sheet	Caernarfon (105) View images in GeoScenic related to 'Caernarfon' View a geological map near 'Caernarfon'
Map reference	SH 441 687
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.