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 the geology 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.