BGS mineralogy and petrology collection record

Sample number	S65732; COLLNOBX768;
Sample Donor	Henderson,W.G.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Coarse-grained cleaved greywacke with skin of siltstone on lower surface . ' Bullrock Greywacke' Upper Dalradian, ?Lower Cambrian
Locality details	Top of S side of Aldownick Burn ravine near to Ards Road, Rhu. 400 m E of junction of Ards Road with Rhu-Gareloch Road
50k map sheet	Glasgow (30) View images in GeoScenic related to 'Glasgow' View a geological map near 'Glasgow'
Map reference	NS 2686 8482
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.