BGS mineralogy and petrology collection record

Sample number	E29317; COLLNOKC744;
Sample Donor	Chaperlin,K.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Tertiary Olivine-Dolerite dyke cutting Cambrian Slate
Locality details	Just SW of "The Bell", Penrhyn Slate Quarry, Bethesda
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View a geological map near 'Bangor'
Map reference	SH 620 650
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.