Trewethen & Pengenna Mine, Cornwall
Wadebridge: grid reference SX048789
Notable minerals: Torbernite, Psilomelane & Siderite.
Trewethen and Pengenna Mine lies one and a half miles southwest of St. Teath in the St. Kew parish of North Cornwall. The mine worked a lead-zinc lode and an antimony lode just north of Pengenna Farm. The lodes were worked from five shafts numbered 1 to 5, as well as Cowling's Shaft. The mine lies adjacent to Treburgett Mine, whilst nearby lie Pendoggett and Treore mines. Records of production are: 16 tons of antimony ore between 1860 and 1862.
There are reports of fine examples of the Lead/Iron/Antimony sulphide mineral 'Torbernite' present here as well as psilomelane and siderite.
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Other nearby mines and their main ores
Pengenna (approx. 0.3 km; LEAD, ANTIMONY & LEAD-ZINC)
Treburgett (approx. 1.3 km; LEAD, SILVER, ZINC & PYRITE)
Trewetha (Wheal Boys) (approx. 4.5 km; LEAD & ANTIMONY)
Great Onslow Consols (approx. 4.8 km; COPPER, PYRITE & BLENDE)
Great Roughtor Consols (approx. 11.8 km; MISPICKEL)
Buttern Hill (approx. 12.9 km; TIN & WOLFRAM)
Mulberry Hill (approx. 13.5 km; TIN)
James, Retire, Colbiggan & Rosewarrick (approx. 14.3 km; IRON ORE)
Wheal James, Retire, Colbiggan & Rosewarrick (approx. 14.7 km; IRON)
Tretoil (Lanivet Consols) (approx. 14.9 km; COPPER & TIN)