Chalcomenite from Ballybunnion, Co. Kerry, Eire

Remobilization and mineralization of selenium–tellurium in metamorphosed red beds: Evidence from the Munster Basin, Ireland

“…The current consensus is that the Carboniferous-hosted ores were derived from hydrothermal activity involving contemporary seawater, rather than from Devonian-sourced brines (Everett et al 2003). However, we note that high selenium concentrations, found in the Devonian rocks, also occur in Carboniferous black shales in central Ireland (Webb & Atkinson 1965, Keily & Fleming 1969, Francis & Ryback 1987. (Table 2).…”