M. W. Hitzman, 1995. "Mineralization in the Irish Zn-Pb-(Ba-Ag) Orefield", Irish Carbonate-Hosted Zn-Pb Deposits, Kerr Anderson, John Ashton, Garth Earls,, Murray Ritzman, Simon Tear
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The Lower Carboniferous carbonate rocks of the Irish Midlands host one of the world’s major orefields. The Midlands area stretches from the Mallow area in the south to the Navan-Oldcastle area in the north and is bound to the east by the Leinster Massif (Fig. 1). Although limited medieval mining for silver took place at Silvermines, it was not until the 1960s that Ireland became a significant world producer of zinc. The deposits and prospects discovered in the 1960s and 1970s were mostly subcropping; the discovery of concealed orebodies at Galmoy (1986) and Lisheen (1990) marked a new phase in Irish base metal exploration. These recent discoveries will ensure that Ireland remains a major zinc producer.
Figures & Tables
Irish Carbonate-Hosted Zn-Pb Deposits
This paper describes the stratigraphy, basin evolution, and structural geology of Ireland so that the hydrothermal processes which formed the deposits can be placed in a geological context. Informal regional nomenclature are used throughout this paper to provide a clearer overview, rather than the myriad of existing local formation names (see Jones and Earls, this volume). The stratigraphy, together with series and stage designation and available radiometric ages, is presented in Figure 1.