BGS mineralogy and petrology collection record

Sample number	E30518; COLLNOC260;
Sample Donor	Collins,G.H.
Rock name	'Original entry: Tuff'
Stratigraphy	Not entered
Comments	Cleaved ash.
Locality details	Black Rock, Bulley Cleaves.
50k map sheet	Dartmoor Forest (338) View images in GeoScenic related to 'Dartmoor Forest' View the geology near 'Dartmoor Forest'
Map reference	SX 742 667
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.