BGS mineralogy and petrology collection record

Sample number	E34016; COLLNOMW258;
Sample Donor	Williams,M.
Rock name	'Original entry: Siderite Bearing Siltstone (With Quartz And Geothite Veins)'
Stratigraphy	Not entered
Comments	Indurated manganiferous sandstone (middle culm) debris.
Locality details	Langdon Mine, 180 Yds. at 321 deg. from Langdon Farm. 110 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.