BGS mineralogy and petrology collection record

Sample number MR22366
Sample Donor Greig,D.C.
Rock name 'Original entry: Illite-Smectite Clay (Mixed Layer Illite Smectite)'
Stratigraphy Not entered
Comments From clay band in Wenlock Shale
Locality details 765yds at 237deg from Cwm Head church & 1050yds at 195deg from cross roads at Hamperley
50k map sheet Church Stretton (166)

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Map reference SO 416 885
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions