BGS mineralogy and petrology collection record

Sample number	E36805; COLLNOKB575;
Sample Donor	Beer,K.E.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Tourmalinised granite ?
Locality details	Baltrink Tin Ltd. BH No. TS 5, 293 yds E 42 deg N from Trink Hill Summit, St. Ives
50k map sheet	Penzance (351) View images in GeoScenic related to 'Penzance' View a geological map near 'Penzance'
Map reference	SW 5069 3734
Year collected	Not entered
Bore name	Trink Hill Ts5 Towednack
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.