BGS mineralogy and petrology collection record

Sample number	E51955; MR34174; COLLNO4;
Sample Donor	Dangerfield,J.; Hawkes,J.R.;
Rock name	Tuff. 'Original entry: Tuff'
Stratigraphy	Not entered
Comments	30 mm. wide aplite veinlet in contact altered, keratophyric tuff. (4th aplite stringer).
Locality details	Meldon BH. No. 1. 0.8 Km. at 118 deg. from Meldon Church, 3.6 Km. at 061 deg. from Sourton Church.
50k map sheet	Okehampton (324) View images in GeoScenic related to 'Okehampton' View a geological map near 'Okehampton'
Map reference	SX 5672 9202
Year collected	1978
Bore name	Meldon Bh. No.1. Devon.
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.