BGS mineralogy and petrology collection record

Sample number	E64370; COLLNOTL1;
Sample Donor	Not entered
Rock name	Volcaniclastic-Breccia. 'Original entry: Porphyrite Microbreccia'
Stratigraphy	Not entered
Comments	Intrusive into Nant Ffrancon Formation(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=Granophyric
Locality details	Carreg y Gath
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View a geological map near 'Bangor'
Map reference	SH 6745 6590
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.