BGS mineralogy and petrology collection record

Sample number	E6423; COLLNO2;
Sample Donor	Flett,J.S.
Rock name	'Original entry: Serpentine 'Borneys' Variolitic Var.'
Stratigraphy	Not entered
Comments	Variolitic spots are rounded pseudomorphs in carbonate & labradoritefilms.Serpentine presumably after pyroxene
Locality details	Abt.100yds.S.of School 1/2m.SSW.of Four Mile Bridge
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 275 776
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.