UK Grid Reference: SX041841
Latitude: 50°37'23"N
Longitude: 4°46'11"W
This small lead mine raised argentiferous galena from a sporadically mineralized fault which crops out in the cliffs at Tregardock beach. The shaft, of which a grassed-over burrow remains in a field just west of Tregardock farm, was sunk 30 fathoms below adit level by an engine erected at the bottom of the cliff. The portal of the adit was located at the foot of the cliff at Minehousedoor Cove, just west of Tregardock farm. In 1957, it was buried by a rockslide.
The workings produced 60 tons of 50% lead ore and 690 oz of silver between 1853 and 1860. According to A.K. Hamilton Jenkin, the name of the mine was sometimes spelled Tregarget.
References
- Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 2, p. 578.
- Clayton, R.E., and Spiro, B: (2000): Sulphur, carbon and oxygen isotope studies of early Variscan mineralisation and Pb-Sb vein deposits in the Cornubian orefield: implications for the scale of fluid movements during Variscan deformation. Mineralium Deposita 35, 315-331.
Mineral List
13 entries listed. 11 valid minerals.
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