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Rylagh Burn, near OmaghTyrone
PHOTO TO BE ADDED
Summary Full report
Site Type: Stream section
Site Status: PASSI
District:
Grid Reference: X24623780
Rocks
Rock Age: Carboniferous, Precambrian
Rock Name: Glengawna Formation
Rock Type: Schist
Interest
Minerals: Arsenopyrite, Gold, Pyrite, Quartz
Other interest: fault, hydrothermal vein, fault gouge, No Data

Summary of site:

Veins bearing arsenopyrite, iron arsenic sulphide, are present in the bed of the burn. It is commonly associated with other sulphide minerals and gold and was deposited high to medium temperature brines circulating through rock cavities. Arsenopyrite is the commonest ore of arsenic, an element used in dyeing, in the treatment of leather and for pest control.


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