BGS mineralogy and petrology collection record

Sample number	E4098; COLLNO184;
Sample Donor	Allister, D.Mc.
Rock name	Microgranite. 'Original entry: Microgranite'
Stratigraphy	Not entered
Comments	Tourmaline. (In Clarks Shaft, 40 fm. level).
Locality details	Wheal Hampton,Tregurtha Downs Mine.
50k map sheet	Penzance (351) View images in GeoScenic related to 'Penzance' View the geology near 'Penzance'
Map reference
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.