BGS mineralogy and petrology collection record

Sample number MR31507; COLLNOSN1647;
Sample Donor Sanderson,R.W.
Rock name 'Original entry: Tuff'
Stratigraphy Caradoc. Ordovician, Caradocian. Upper Volcanic Group
Comments Medium grained, pale green Tuff. NGR as in register.
Locality details Quarry name: not recorded: at S W side of large Qry. Moel y Gotta, 460 m NE of Trewen Church
50k map sheet Welshpool (151)

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Map reference SJ 2872 1193
Year collected 1972 
Bore name Not applicable
Confidentiality No restrictions