BGS mineralogy and petrology collection record

Sample number	E6504; COLLNO136; NEGM626;
Sample Donor	Dewey,H.
Rock name	'Original entry: Siliceous Rock'
Stratigraphy	Not entered
Comments	Not entered
Locality details	Field W. of Treglassick..
50k map sheet	Tavistock (337) View images in GeoScenic related to 'Tavistock' View the geology near 'Tavistock'
Map reference	SX 202 861
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.