BGS mineralogy and petrology collection record

Sample number	E62905; COLLNOLC962;
Sample Donor	Fortey,N.J.
Rock name	Rhyolite.
Stratigraphy	Ashgill.
Comments	Flow banded rhyolite
Locality details	Backside Beck, below main fault in volcanics
50k map sheet	Kirkby Stephen (40) View images in GeoScenic related to 'Kirkby Stephen' View a geological map near 'Kirkby Stephen'
Map reference	SD 6955 9925
Year collected	1990
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.