Early Holocene Oöids in Modern Littoral Sands Reworked from a Coastal Terrace, Southern Tunisia

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Science  21 Aug 1970:
Vol. 169, Issue 3947, pp. 757-760
DOI: 10.1126/science.169.3947.757


Locally, Early Holocene (Atlanticum) oöids, dated with carbon-14, form the major compound in the Recent near-shore sediments of the Gulf of Gabes (southern Tunisia, Mediterranean Sea). They are reworked from coastal oölites and are not forming today. The Holocene oölites crop out at the seaward side of a coastal terrace, while the oölitic rocks from the inland side give a straightforward carbon-14 age of 20,000 to 30,000 years before the present. The entire terrace was formerly dated as Tyrrhenian III (= last interglacial time).

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