BGS mineralogy and petrology collection record

Sample number E71303; COLLNOLC69;
Sample Donor Fortey,N.J.
Rock name Porphyry. 'Original entry: Igneous Rock'
Stratigraphy Ordovician.
Comments gritty-feeling altered igneous rock - pervasive carbonate alteration of massive, fine-grained igneous rock (minor sheet) GIR8006
Locality details SW flank of Low Bank
50k map sheet Keswick (29)

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Map reference NY 1686 1875
Year collected 1982 
Bore name Not applicable
Confidentiality No restrictions