BGS mineralogy and petrology collection record

Sample number	E47042; COLLNOAP434;
Sample Donor	Addison,R.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Ironstone, sedimentary.
Locality details	RTrial level 400 m SSW Of Tygwyn, Francon Farm House
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View a geological map near 'Bangor'
Map reference	SH 6436 6232
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.