Llechwedd Helyg Mine (Willow Bank Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
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|Latitude & Longitude (WGS84):||52° 26' 38'' North , 3° 56' 16'' West|
|Latitude & Longitude (decimal):||52.4439981189, -3.9379208161|
|UK National Grid Reference:||SN683847|
|Other/historical region names associated with this locality:||Dyfed; Cardiganshire|
Llechwedd Helyg mine, developed a section of the Camdwr fault system, which is recorded as being up to 9 mts wide here. The mine was worked befor 1853, when it was reopened. The mine continued to be worked until 1862, with only 3 tons of lead ore being recorded for this 10 year period.
The mine produced some of mid-Wales best examples of malachite, for a short time from the dumps.
35 valid minerals.
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