BGS mineralogy and petrology collection record

Sample number	E10564; COLLNO776; NEGM.1132;
Sample Donor	Greenly,E.
Rock name	'Original entry: Hornblende Picrite'
Stratigraphy	Not entered
Comments	Not entered
Locality details	Graig-twyd, Trescawen
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 445 813
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.