BGS mineralogy and petrology collection record

Sample number	N1009; COLLNORYF158;
Sample Donor	Ball, F.Derek
Rock name	Rhyolite. 'Original entry: Felsitic Rhyolite'
Stratigraphy	Not entered
Comments	Felsitic rhyolite intrusion in Permian strata
Locality details	BH4 (BGS Scot, GW Reg No. 93/6), Machrie area, West Arran
50k map sheet	Arran (Millport) (21) View images in GeoScenic related to 'Arran' View the geology near 'Arran'
Map reference	NR 9147 3176
Year collected	1998
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.