BGS mineralogy and petrology collection record

Sample number	S74048; COLLNONX1504;
Sample Donor	Rock,N.M.S.
Rock name	Rhyolite.
Stratigraphy	Not entered
Comments	Altered trachyte (?riebeckite bearing or olivine-augite trachyte phase). Eildon Hills composite laccolith (?Lower Carboniferous)
Locality details	W side Eildon Mid Hill
50k map sheet	Kelso (25) View images in GeoScenic related to 'Kelso' View a geological map near 'Kelso'
Map reference	NT 546 323
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.