BGS mineralogy and petrology collection record

Sample number	E11024; COLLNO105;
Sample Donor	Matley, C.A
Rock name	'Original entry: Amphibolite. Junch. Serpentine & Hornblendite'
Stratigraphy	Not entered
Comments	Mona Complex. Plutonic Intrusion. See Mem.Geol.of Anglesey.p.320. Hornblende, epidotes, etc. titaniferous. Prob.once a gabbro.
Locality details	Porth-yr-Ysgraff near western end.
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 308 929
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.