BGS mineralogy and petrology collection record

Sample number	E10188; COLLNO400;
Sample Donor	Greenly,E.
Rock name	'Original entry: Hornstone.An.Mem.1931.P.130. Banded Hornfels'
Stratigraphy	Not entered
Comments	See E.11190 reg.on sht.93.Same rock & same loc. Mona Complex. ANAL.MEM.1931 p130
Locality details	Coast, Bonc-y-Bedd, S.of "Mark" E.of dykes
50k map sheet	Caernarfon (105) View images in GeoScenic related to 'Caernarfon' View the geology near 'Caernarfon'
Map reference	SH 329 716
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.