UK Grid Reference: SH770830
Latitude: 53°19'45"N
Longitude: 3°50'49"W
First recorded by this name in 1807, New Mine adjoined the larger and richer Old Mine, and like Old Mine, the principle period of working was in the mid 1800s.
New Mine worked similar ores to Old Mine, copper carbonates in the shallow workings and copper sulphides at depth. Working was via Pyllau shaft (SH770830) on the land of Pyllau farm, and the Penmorpha Adit (SH771822), whose portal lies on the West Shore. Although driven primarily to dewater the flooded New Mine (and therefore mainly financed by the New Mine), the adit was jointly owned, and accesses extensive workings on both the Old and the New Mines.
Although only the main ore minerals are listed here, given the proximity of the two mines, it is likely that a similar suite of minerals listed for Old mine also occurs here (indeed, many collectors are unaware that there are two mines here and have erroneously called the whole area "Gt Orme Mine"). In recent years there has also been considerable movement at surface, which further adds to the location problem. Unless a specimen comes from underground (or from the considerable material cleared from Old Mine in recent years), it is difficult to precisely ascribe a specimen to a particular mine.
The Great Orme Exploration Society website
http://www.goes.org.uk has much information about, and photographs of, the three Gt Orme mines.
Mineral List
3 entries listed. 3 valid minerals.
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