BGS mineralogy and petrology collection record

Sample number	E49789; COLLNOAN35;
Sample Donor	Wilson,A.C.
Rock name	'Original entry: Quartz, Biotite, Muscovite, Hornfels'
Stratigraphy	Not entered
Comments	S2 cleavage in spotted slates. ( ? Devonian).
Locality details	Crags, 90 m. at 257 deg from Pendeen Lighthouse.
50k map sheet	Penzance (351) View images in GeoScenic related to 'Penzance' View the geology near 'Penzance'
Map reference	SW 3780 3585
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.