BGS mineralogy and petrology collection record

Sample number	E57279; MR34535; COLLNOB370;
Sample Donor	Dangerfield,J.; Hawkes,J.R.; Wheatley, C.W.;
Rock name	'Original entry: Porphyritic Volcanic Rock'
Stratigraphy	Not entered
Comments	Quartz porphyry.
Locality details	Little Rough Tor, 4.4 Km. at 098 deg. from St.Adwena's Church,Tresinney
50k map sheet	Camelford (336) View images in GeoScenic related to 'Camelford' View a geological map near 'Camelford'
Map reference	SX 1480 8092
Year collected	1979
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.