Earth Science Conservation Review

Croreagh - MineralogyDown
Croreagh, near Newry, Co.Down, May 1997: active quarry.
Summary Full report
Site Type: Quarry (disused), Quarry (working)
Site Status: local interest
Council area: Newry, Mourne & Down District Council
Grid Reference: J122291
Bing maps: 54.19904,-6.28075
Google maps: 54.19904,-6.28075
Rocks
Rock Age: Devonian
Rock Name: Newry Granodiorite
Rock Type: Granodiorite
Interest
Minerals: Chalcopyrite, Epidote, Hematite, Magnetite, Molybdenite, Pyrite, Sphalerite, Sphene, Covellite, Pyrrhotite
Other interest: Building stone
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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