BGS mineralogy and petrology collection record

Sample number	E26934; COLLNOFD44;
Sample Donor	Dunning,F.W.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Band(?) in slates belived to be Black Graptolite Slate (C25)
Locality details	NW shore of Llyn Brodgynydd
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View a geological map near 'Bangor'
Map reference	SH 761 594
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.