BGS mineralogy and petrology collection record

Sample number	E36799; COLLNOKB569;
Sample Donor	Beer,K.E.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Fresh biotite-tourmaline granite.
Locality details	Baltrink Tin Ltd., BH. T.S.1., 270 Yds. N. 17 deg. E. from Trink Hill summit, St. Ives.
50k map sheet	Falmouth (352) View images in GeoScenic related to 'Falmouth' View the geology near 'Falmouth'
Map reference	SW 5054 3735
Year collected	Not entered
Bore name	Trink Hill Ts1 Towednack
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.