BGS mineralogy and petrology collection record

Sample number MR18400
Sample Donor Not entered
Rock name Sandstone, Micaceous. 'Original entry: Fine Shaley Micaceous Sandstone With Plant Fragments. Senni Beds'
Stratigraphy Pragian. Senni Formation.
Comments Fine Shaley Micaceous Sandstone with plant fragments. Senni Beds,Senni Beds, middle part,Devonian,Collected byW N Croft
Locality details Beacons Quarry, Storey Arms, 7 2/3 ml SW of Brecon,51
50k map sheet Merthyr Tydfil (231)

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Map reference SN 9713 2071
Year collected 1950 
Bore name Not applicable
Confidentiality No restrictions