BGS mineralogy and petrology collection record

Sample number
Sample Donor Not entered
Rock name 'Original entry: No Name'
Stratigraphy Llandovery. Lr Llandovery, Silurian. Gwastaden Grits
Comments Load deformation in Bryn Glas Formation
Locality details Quarry name: Cerriggwinian quarry: at Cerriggwinian quarry, 2.33 km S of Rhayader
50k map sheet Rhayader (179)

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Map reference SN 9713 6566
Year collected 1976 
Bore name Not applicable
Confidentiality No restrictions