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1983 A Silica Deposit of Possible Tertiary Age in the Carboniferous Limestone near Birr, County Offaly, Ireland

BESSE, A.P., P. M. BRÜCK, J. FEEHAN and T. MURPHY, 1983.
A Silica Deposit of Possible Tertiary Age in the Carboniferous Limestone near Birr, County Offaly, Ireland. Geol. Mag., 120, 331-340.