BGS mineralogy and petrology collection record

Sample number	E57317
Sample Donor	Dangerfield,J.; Hawkes,J.R.; Wheatley, C.W.;
Rock name	'Original entry: Porphyritic Volcanic Rock'
Stratigraphy	Not entered
Comments	Quartz feldspar porphyry.
Locality details	Kit Hill North Quarry, 2.60 Km. at 035 deg. from Callington Church.
50k map sheet	Tavistock (337) View images in GeoScenic related to 'Tavistock' View the geology near 'Tavistock'
Map reference	SX 3740 7180
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.