BGS mineralogy and petrology collection record

Sample number MR18393; COLLNO794/1;
Sample Donor Not entered
Rock name 'Original entry: Calcareous Chocolate Coloured Sandstone'
Stratigraphy Not entered
Comments Fine and silty with small flakes of white mica on unevan lamination planes Upper Dittonian Beds
Locality details Stream section 50-300yds S of Caerau Farm 1ml. SSW of Llanfrynach, nr. Brecon
50k map sheet Brecon (213)

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Map reference SO 066 240
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions