BGS mineralogy and petrology collection record

Sample number	E10207; COLLNO419;
Sample Donor	Greenly,E.
Rock name	'Original entry: Contact Alterations Of Dyke In M.Schist'
Stratigraphy	Not entered
Comments	Mona C
Locality details	Rhoscolyn, Porth-Gorellwyn
50k map sheet	Caernarfon (105) View images in GeoScenic related to 'Caernarfon' View the geology near 'Caernarfon'
Map reference	SH 281 749
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.