BGS mineralogy and petrology collection record

Sample number	E67192; COLLNOMZ73;
Sample Donor	Barton, C.M.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Coarsely layered, ? volcanic. Upper Devonian
Locality details	Croft Quarry, 450 m NW of Treboul
50k map sheet	Plymouth (348) View images in GeoScenic related to 'Plymouth' View the geology near 'Plymouth'
Map reference	SX 3404 5767
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.