A NEW FOSSIL VENT BIOTA IN THE BALLYNOE BARITE DEPOSIT,SILVERMINES, IRELAND: EVIDENCE FOR INTRACRATONIC SEA-FLOOR HYDROTHERMALACTIVITY ABOUT 352 Ma

A NEW FOSSIL VENT BIOTA IN THE BALLYNOE BARITE DEPOSIT,SILVERMINES, IRELAND: EVIDENCE FOR INTRACRATONIC SEA-FLOOR HYDROTHERMALACTIVITY ABOUT 352 Ma