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Glasdir Mine, Llanfachreth, Dolgellau Gold Belt, Gwynedd (Merionethshire), Wales, UK
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UK Grid Reference: SH740223
Latitude: 52°46'59"N
Longitude: 3°52'6"W
 
 
Although one of the most extensive mines in the Dolgellau gold belt, Glasdir, first opened as a quarry about 1852, was primarily a copper mine, with 13,077 tons of dressed copper ore leaving the mine between 1872 - 1913.

In 1907, the owner Stanley Elmore, who had previously built a mill for the Elmore Flotation Process at the Sygun copper mine at Bedgellert, transferred the plant and equipment to Glasdir when that mine failed.

Glasdir closed in 1915. The recorded output of precious metals between 1872-1915 was 8,275 ounces of silver (1913-14)and 735 ounces of gold (1914).

refs:
Goldmining in Western Merioneth, T. A. Morrison (undated)
The Gold Mines of Merioneth, G.W. Hall (undated)

Mineral List

Bornite
Chalcopyrite
Gibbsite
Gold
Pyrite
Thaumasite
Wroewolfeite


7 entries listed. 7 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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