BGS mineralogy and petrology collection record

Sample number	E34017; COLLNOMW261;
Sample Donor	Williams,M.
Rock name	'Original entry: Altered Lamprophyre'
Stratigraphy	Not entered
Comments	? Lamprophyre debris.
Locality details	Langdon Mine, 180 Yds. at 321 deg. from Langdon Farm. 130 Yds. E. of W. extremity.
50k map sheet	Holsworthy (323) View images in GeoScenic related to 'Holsworthy' View a geological map near 'Holsworthy'
Map reference	SS 3929 0057
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.