BGS mineralogy and petrology collection record

Sample number	E9141; COLLNO4A;
Sample Donor	Dewey,H.
Rock name	Rhyolite. 'Original entry: Elvan'
Stratigraphy	Not entered
Comments	Not entered
Locality details	Knole Down Quarry.
50k map sheet	Dartmoor Forest (338) View images in GeoScenic related to 'Dartmoor Forest' View a geological map near 'Dartmoor Forest'
Map reference	SX 529 697
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.