BGS mineralogy and petrology collection record

Sample number	E58515; COLLNODAN2175;
Sample Donor	Dangerfield,J.
Rock name	'Original entry: Porphyritic Volcanic Rock'
Stratigraphy	Not entered
Comments	Quartz Porphyry; N wall of dyke 1.
Locality details	1.47 Km 162 deg from the chapel at Row
50k map sheet	Camelford (336) View images in GeoScenic related to 'Camelford' View the geology near 'Camelford'
Map reference	SX 1004 7504
Year collected	1975
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.