BGS mineralogy and petrology collection record

Sample number	E58684; MR33745; COLLNOJH1771;
Sample Donor	Dangerfield,J.; Hawkes,J.R.; Wheatley, C.W.;
Rock name	'Original entry: Granite'
Stratigraphy	Not entered
Comments	Poorly megacrystic granite (kaolinised). NGR as in register.
Locality details	Wheal Martyn China Clay Pit: at 1.7 km 173 deg. From Hensbarrow Beacon
50k map sheet	Bodmin (347) View images in GeoScenic related to 'Bodmin' View the geology near 'Bodmin'
Map reference	SW 999 559
Year collected	1976
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.