BGS mineralogy and petrology collection record

Sample number	E21175; MR17766; COLLNOWY 12;
Sample Donor	Wray, D.A.
Rock name	'Original entry: Sideritic Shell-Fragment Limestone Partly Oxidised'
Stratigraphy	Not entered
Comments	See Liassic Ironstones Memoir p.106:115:131. Marlstone Bed. 18" thick worked for road metal. See also PET XXX p24
Locality details	Qys., half-mile S.W.of Frieston House, Lincolnshire
50k map sheet	Grantham (127) View images in GeoScenic related to 'Grantham' View the geology near 'Grantham'
Map reference	SK 931 470
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.