BGS mineralogy and petrology collection record

Sample number	E10011; COLLNO223; NEGM.1099;
Sample Donor	Greenly,E.
Rock name	'Original entry: Jaspery Phyllite'
Stratigraphy	Not entered
Comments	Mona Complex. Anal.Mem.1931.p.138.
Locality details	In Lmst., 900ft. SW. (a little W.) Hendre-bach
50k map sheet	Caernarfon (105) View images in GeoScenic related to 'Caernarfon' View the geology near 'Caernarfon'
Map reference	SH 427 745
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.