BGS mineralogy and petrology collection record

Sample number MR7969
Sample Donor Not entered
Rock name Sandstone (Undifferentiated). 'Original entry: Sandstone (Cefn Rock)'
Stratigraphy Westphalian. Middle Coal Measures Formation [Obsolete: Use Pmcm, Mcms, Swmcm].
Comments Sandstone (Cefn rock),Middle Coal Measures,Upper Carboniferous,Collected byTG Jones J459
Locality details small quarry at top of Bryn-teg, 2.5 miles NW of Wrexham,
50k map sheet Wrexham (121)

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Map reference
Year collected 1931 
Bore name Not applicable
Confidentiality No restrictions