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Croreagh, near NewryDown
Croreagh, near Newry, Co.Down, May 1997: active quarry.
Summary Full report
Site Type: Quarry (disused), Quarry (working)
Site Status: PASSI
Grid Reference: X31223291
Rock Age: Devonian
Rock Name: Newry Granodiorite
Rock Type: Granodiorite
Minerals: Chalcopyrite, Epidote, Hematite, Magnetite, Molybdenite, Pyrite, Sphalerite, Sphene, Covellite, Pyrrhotite
Other interest: Building stone, No data, No Data

Summary of site:

This quarry in the Newry Granodiorite has yielded the mineral molybdenite (molybdenum sulphide, the chief ore of molybdenum) associated with sphene (calcium titanium silicate) and epidote (calcium, aluminium, iron aluminosilicate). It has not been exploited industrially.

Molybdenum is a vital ingredient of tool and stainless steels and has a range of electrical uses.

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