BGS mineralogy and petrology collection record

Sample number	E34196; COLLNOMK226;
Sample Donor	Mckeown,M.C.
Rock name	'Original entry: Tuff'
Stratigraphy	Not entered
Comments	Banded ashes, 11 ft below top of rock
Locality details	Offshore Rock, 1600 yds W 40 deg N of Trebarwith Strand
50k map sheet	Camelford (336) View images in GeoScenic related to 'Camelford' View the geology near 'Camelford'
Map reference	SX 0480 8650
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.