BGS mineralogy and petrology collection record

Sample number	E11384; COLLNO123;
Sample Donor	Greenly,E.
Rock name	'Original entry: Powder Of Garnetiferous Basic Gneiss. Garnet Gneiss.'
Stratigraphy	Not entered
Comments	Mona Complex. The Gneisses. See Mem.Geol.of Anglesey.p.325 Hornblende, garnet, biotite, quartz, decomposed feldspar. Top of Hornbe. Gneiss. Residues
Locality details	Mynydd Mwyn Mawr, 120ft.NW.of "M"
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 410 824
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.