BGS mineralogy and petrology collection record

Sample number	E25267; COLLNOAA78;
Sample Donor	Archer,A.A.
Rock name	'Original entry: Pyritised Crystal Tuff'
Stratigraphy	Not entered
Comments	Tuff?
Locality details	Trecastell Lead Mine, No.6 Level. S.W. end of drive on No.3 Lode
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View the geology near 'Bangor'
Map reference	SH 763 745
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.