Sequence response to syndepositional regional uplift: insights from high-resolution sequence stratigraphy of late Early Pleistocene strata, Periadriatic Basin, central Italy

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• 作者：Cantalamessa ; Gino ; Di Celma ; Claudio
• 关键词：Sequence stratigraphy ; High-frequency sea-level changes ; Cyclostratigraphy ; Pleistocene
• 刊名：Sedimentary Geology
• 出版年：2004
• 期刊代码：81_00370738
• 类别：ear
• 出版时间：February 16, 2004
• 卷：164
• 期：3-4
• 页码：283-309
• 文件大小：2.63 M

摘要

This paper deals with the depositional sequences that occur within the uppermost part of the Plio–Pleistocene Periadriatic basin fill in the southern Marche region, central Italy. The succession is an Early Pleistocene, easterly dipping clastic wedge showing an overall shallowing trend from slope clays to shallow-marine and non-marine deposits comprising two major sequences, namely Q_mb and Q_mc. Analysis has provided new insights into: (i) the nature of sedimentary facies and facies associations occurring within the upper part of Q_mb and Q_mc; (ii) the gradual contact within Q_mb between regressive littoral deposits (RLD) and underlying deep-marine blue clays; (iii) the composite origin of the Emilian surface, which is a widespread erosional unconformity separating Q_mb from Q_mc; (iv) the cyclothemic pattern of Q_mc, composed of downstepping, small-scale depositional sequences; (v) the role played by synsedimentary uplift on the stacking pattern of small-scale sequences and their internal architecture.