Chert-hosted metasedimentary Paleozoic manganese ore, contact metamorphosed by granitic intrusion. Mining started in 1956; now closed. Main ore minerals were manganpyrosmalite, rhodonite, manganogrunerite, spessartine and manganoan fayalite.
(Note: "Pyrosmalite" recorded from here is Fe-rich manganpyrosmalite. Contributors: Please do not add "pyrosmalite" to this species list.)
Mineral List
19 entries listed. 16 valid minerals. 1 erroneous literature entry.
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