BGS mineralogy and petrology collection record

Sample number	E11961; COLLNO306;
Sample Donor	Dewey,H.
Rock name	'Original entry: Greissen'
Stratigraphy	Not entered
Comments	Coarsely granular, sometimes interpenetrating quartz and flakes of muscovite.
Locality details	Hawkmoor Mine, Calstock.
50k map sheet	Tavistock (337) View images in GeoScenic related to 'Tavistock' View the geology near 'Tavistock'
Map reference
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.