BGS mineralogy and petrology collection record

Sample number	E49788; COLLNOAN34;
Sample Donor	Wilson,A.C.
Rock name	'Original entry: Quartz, Sericite, (Muscovite), Biotite, Hornfels'
Stratigraphy	Not entered
Comments	F2 folds and S2 cleavage in spotted slates. ( ? Devonian).
Locality details	Crags S. of Botallack Head, 120 m. at 306 deg from triangulation point at The Crowns.
50k map sheet	Penzance (351) View images in GeoScenic related to 'Penzance' View the geology near 'Penzance'
Map reference	SW 3622 3379
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.