BGS mineralogy and petrology collection record

Sample number	E20336; COLLNOJHT149;
Sample Donor	Taylor,J.H.
Rock name	Siltstone (Undifferentiated). 'Original entry: Ironstone'
Stratigraphy	Middle Jurassic. Lower Estuarine "Series" [Obsolete: Use Clh, Grf, Swk, Ebb, Sycm].
Comments	silty limonite with sphaerosiderite 9 ft above top of workable ironstone
Locality details	Sandy Spinney Pit 620 y NNE of Cranford Hall
50k map sheet	Kettering (171) View images in GeoScenic related to 'Kettering' View a geological map near 'Kettering'
Map reference	SP 926 780
Year collected	0
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.