BGS mineralogy and petrology collection record

Sample number	E32017; COLLNOKB295;
Sample Donor	Beer,K.E.
Rock name	'Original entry: Altered Lamprophyre (Olivine Biotite)'
Stratigraphy	Not entered
Comments	Intruded into soft silty shales. Altitude not seen. Probably dips northwards.
Locality details	Large quarry, 120 Yds. S. at 18 deg. E. of Cleave Farm. Centre of floor.
50k map sheet	Okehampton (324) View images in GeoScenic related to 'Okehampton' View the geology near 'Okehampton'
Map reference	SS 531 020
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.