BGS mineralogy and petrology collection record

Sample number	E32014; COLLNOJW323;
Sample Donor	Wright,J.E.
Rock name	'Original entry: Altered Lamprophyre'
Stratigraphy	Not entered
Comments	Weathered ? quartz microdiorite or felsite from ? dyke in culm. c. 30 Ft. thick near edge of quarry. Concordant with bedding of sediments dipping @ 40 deg. N.
Locality details	Old quarry, 730 Yds. W. at 29 Deg. N. of Hendicott Farm.
50k map sheet	Okehampton (324) View images in GeoScenic related to 'Okehampton' View the geology near 'Okehampton'
Map reference	SX 680 988
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.