BGS mineralogy and petrology collection record

Sample number	E49774; COLLNOAN20;
Sample Donor	Wilson,A.C.
Rock name	'Original entry: Cordierite, Quartz, Biotite, Sericite, (Muscovite) Hornfels'
Stratigraphy	Not entered
Comments	F2 folds and S2 crenulation cleavage cutting spotted, hornfelsed slates. (? Devonian).
Locality details	Crag on Carn Naun, 1020 m. at 020 deg from Treveal Farm.
50k map sheet	Penzance (351) View images in GeoScenic related to 'Penzance' View the geology near 'Penzance'
Map reference	SW 4765 4103
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.