BGS mineralogy and petrology collection record

Sample number	E18411; COLLNOA29MI26988;
Sample Donor	Dines,H.G.
Rock name	'Original entry: Biotite, Tourmaline Granite With Chloritized Feldspar'
Stratigraphy	Not entered
Comments	Second branch, 11th level.
Locality details	Geevor Mine, Pendeen, St. Just.
50k map sheet	Penzance (351) View images in GeoScenic related to 'Penzance' View the geology near 'Penzance'
Map reference	SW 374 347
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.