BGS mineralogy and petrology collection record

Sample number	E36074; COLLNOJH701;
Sample Donor	Hawkes,J.R.
Rock name	'Original entry: Microgranite'
Stratigraphy	Not entered
Comments	Specimen from sub-vertical elvan (strike WNW) cutting "Cornish type" granite.
Locality details	Cut off trench. Sibblyback dam wall, approx. 2 miles NW. of St. Cleer, Bodmin Moor.
50k map sheet	Tavistock (337) View images in GeoScenic related to 'Tavistock' View the geology near 'Tavistock'
Map reference	SX 229 703
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.