BGS mineralogy and petrology collection record

Sample number	E1799
Sample Donor	Usher,W.A.E.
Rock name	'Original entry: Altered Porphyrite. Keratophyric Lava'
Stratigraphy	Not entered
Comments	Not entered
Locality details	Near Sourton, SW. of Okehampton.
50k map sheet	Okehampton (324) View images in GeoScenic related to 'Okehampton' View the geology near 'Okehampton'
Map reference
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions