BGS mineralogy and petrology collection record

Sample number	E18188; COLLNOB1MI26992;
Sample Donor	Dines,H.G.
Rock name	'Original entry: Quartz, Muscovite, Chlorite, Tourmaline Rock'
Stratigraphy	Not entered
Comments	Cock Lode, 75 fm level. Apparently altered granite which is part of lode.
Locality details	Porkellis Mine, Wendron.
50k map sheet	Falmouth (352) View images in GeoScenic related to 'Falmouth' View the geology near 'Falmouth'
Map reference
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.