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A combined sedimentological, lithological and chemostratigraphical (Mg/Ca, δ 13 C, δ 18 O) analysis of the Lower Pliensbachian marl–limestone platform successions exposed along the Asturias coastline (northern Spain) has resulted in the characterization of high-frequency cycles. The highest-order sedimentary cycles (i.e. elementary cycles) are centimeter- to deciemeter-thick alternations...
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