BGS mineralogy and petrology collection record

Sample number	E57248
Sample Donor	Dangerfield,J.; Hawkes,J.R.; Wheatley, C.W.;
Rock name	'Original entry: Porphyritic Volcanic Rock'
Stratigraphy	Not entered
Comments	Quartz porphyry (feldspars mineralised).
Locality details	Brash, N. side of Berry Down, 1.6 Km. at 035 deg. from St. Neot Church.
50k map sheet	Camelford (336) View images in GeoScenic related to 'Camelford' View the geology near 'Camelford'
Map reference	SX 196 691
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.