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Trial level, Vigra Mine, Bontddu, Dolgellau Gold Belt, Gwynedd (Merionethshire), Wales, UK

A trial adit, only 30-40m in length, above small dumps on the hillside, in the general area of the Vigra Mine set. There appears to be no record of when the adit was driven.

The adit intersects a vein on it's footwall after 20m. There is no stoping.





UK OS Grid Reference: SH657194
Map Reference: 52°45'18"N , 3°59'24"W

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Mineral List:
Aragonite
Arsenopyrite
Brochantite
Chalcoalumite
Chalcocite
Chalcophyllite
'Chlorite Group'
Chrysocolla
Cobaltite
Copper
Covellite
Cuprite
Devilline
Erythrite
Gypsum
Langite
Malachite
'Mica Group'
Monohydrocalcite
Pyrite
Pyrrhotite
Quartz
Sphalerite
Tyrolite
Wroewolfeite


25 entries listed. 23 valid minerals.

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