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Mineral investigations near Bodmin, Cornwall. Part 3, the Mulberry and Wheal Prosper area

By M.J. Bennett, K.J. Beer, R.C. Jones, K. Turton, K.E. Rollin, J.M.C. Tombs and D.J. Patrick

Abstract

Investigations in the area between the former opencast\ud tin workings of Mulberry and Wheal Prosper\ud suggest that the most promising ground for future\ud mineral exploration lies to the south of the latter\ud workings. The north-south Mulberry mineralisation\ud trend, although recognisable south of the calcsilicate\ud belt, gives rise to only sporadic and lowamplitude\ud tin anomalies in the soils. Near to the\ud surface there is no evidence of an analogue of the\ud Mulberry deposit; its existence or absence at depth\ud could only be proved by speculative drilling.\ud Traced westwards, the Prosper mineralisation\ud becomes more tenuous and, at shallow depth, uneconomic.\ud Strong geochemical evidence, supported by less\ud f’lrm geophysical indications, points to the presence\ud of a previously unrecognised mineralised zone subparallel\ud to the Prosper vein sheets and some 200 m\ud south of them. The presence of tin, copper, zinc\ud and a little tungsten is indicated

Topics: Earth Sciences
Publisher: Institute of Geological Sciences
Year: 1981
OAI identifier: oai:nora.nerc.ac.uk:11906

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Citations

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