A Milankovitch Climate Control on the Middle Miocene Mediterranean Intermediate Water

Sprovieri, Mario; Sgarrella, Franca; Russo, Bianca; Bellanca, Adriana; Neri, Rodolfo

doi:10.2110/pec.04.81.0045

Cited by 4 publications

(4 citation statements)

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“…The Monterey Excursion [ Vincent and Berger , ] is widely recognized in the Mediterranean [ Jacobs et al ., ; John et al ., ; Sprovieri et al ., ; Brandano et al ., ; Mourik et al ., ; Reuter et al ., ]. In the Decontra section Reuter et al .…”

Section: Discussionmentioning

confidence: 98%

Correlating carbon and oxygen isotope events in early to middle Miocene shallow marine carbonates in the Mediterranean region using orbitally tuned chemostratigraphy and lithostratigraphy

et al. 2015

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During the Miocene prominent oxygen isotope events (Mi‐events) reflect major changes in glaciation, while carbonate isotope maxima (CM‐events) reflect changes in organic carbon burial, particularly during the Monterey carbon isotope excursion. However, despite their importance to the global climate history they have never been recorded in shallow marine carbonate successions. The Decontra section on the Maiella Platform (central Apennines, Italy), however, allows to resolve them for the first time in such a setting during the early to middle Miocene. The present study improves the stratigraphic resolution of parts of the Decontra section via orbital tuning of high‐resolution gamma ray (GR) and magnetic susceptibility data to the 405 kyr eccentricity metronome. The tuning allows, within the established biostratigraphic, sequence stratigraphic, and isotope stratigraphic frameworks, a precise correlation of the Decontra section with pelagic records of the Mediterranean region, as well as the global paleoclimatic record and the global sea level curve. Spectral series analyses of GR data further indicate that the 405 kyr orbital cycle is particularly well preserved during the Monterey Event. Since GR is a direct proxy for authigenic uranium precipitation during increased burial of organic carbon in the Decontra section, it follows the same long‐term orbital pacing as observed in the carbon isotope records. The 405 kyr GR beat is thus correlated with the carbon isotope maxima observed during the Monterey Event. Finally, the Mi‐events can now be recognized in the δ18O record and coincide with plankton‐rich, siliceous, or phosphatic horizons in the lithology of the section.

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Section: Discussionmentioning

confidence: 98%

Correlating carbon and oxygen isotope events in early to middle Miocene shallow marine carbonates in the Mediterranean region using orbitally tuned chemostratigraphy and lithostratigraphy

et al. 2015

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“…Bernhard and Sen Gupta, 1999;Jorissen, 1999;Loubere and Fariduddin, 1999;Kouwenhoven and van der Zwaan, 2006;Sarkar and Gupta, 2009;Mourik et al, 2011;Eichler et al, 2016;Rathburn et al, 2018;Xue et al, 2019) and relationship with chemical and physical features of deep water masses was highlighted by several authors (e.g. Smart and Ramsay, 1995;Schmiedl et al, 1997;Yasuda, 1997;Bellanca et al, 2002;Sprovieri et al, 2004;Jorissen et al, 2007;Russo et al, 2007;Pérez-Asensio et al, 2012). Benthic foraminifera are closely related to oxygen concentration in the bottom waters and in the sediment, as well as to the organic matter input from the surface waters (e.g.…”

Section: Introductionmentioning

confidence: 94%

Deep-water paleoenvironmental changes based on early-middle Miocene benthic foraminifera from Malta Island (Central Mediterranean)

Russo

Ferraro

Correggia

et al. 2022

Palaeogeography, Palaeoclimatology, Palaeoecology

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“…More data on these sequences are provided by Hilgen (1991a), Hilgen et al. (1995), Spovieri et al. (1999, 2004a,b), Bellanca et al.…”

Section: Hemipelagic Faciesmentioning

confidence: 99%

Mediterranean contributions to cyclostratigraphy and astrochronology

Fischer

Hilgen

Garrison³

2008

Sedimentology

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In 1895, G.K. Gilbert suggested that rhythmical repetition of patterns in the sequences of strata correspond to orbital variations and could provide a chronology for Earth history. This suggestion remained a heuristic hypothesis in need of testing; in this, the Mediterranean region latterly played a crucial role. Its extended sequences of pelagic and lacustrine-paludal strata provide long time series of hierarchical rhythmic variations tied directly to biostratigraphy and to magnetic reversals. The latter provide historical control and links to astronomically calculated curves that have been extended progressively into the past. These comparisons verify the orbital origins of the major sedimentary rhythms and are serving to reduce the age uncertainties of the significant time stratigraphic levels (biostratigraphic and magnetostratigraphic zones) from an order of ca 500 kyr toward the precessional (20 kyr) level. This refinement has essentially been reached for the last 14 Myr of Earth history in the Mediterranean, and beyond in the Pacific Ocean. The cyclic structure of shallow-water platform carbonates is also hierarchical but here the identification with specific orbital cycles has been equivocal and complicated by conflicts with radiometric data. In the gap-riddled shallow-water successions showing hierarchical 'sequences', the identification of some third-order, fourth-order and fifth-order 'sequences' or 'parasequences' with orbital forcing is being explored but remains inferential. Beyond chronology, the orbital variations constitute an endless series of experiments: similar variations in insolation, which resulted in sedimentary patterns formed by a chain of responses extending through atmospheric and hydrospheric dynamics to geological processes and the dynamics of the biotic systems. The emerging patterns offer glimpses into the past, to reveal previously unexpected phenomena such as systematic oscillations in deep-water aeration and unexpected oscillations in composition of upper-water plankton: patterns that pose new challenges to the understanding of Earth history.

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A Milankovitch Climate Control on the Middle Miocene Mediterranean Intermediate Water

Cited by 4 publications

References 1 publication

Correlating carbon and oxygen isotope events in early to middle Miocene shallow marine carbonates in the Mediterranean region using orbitally tuned chemostratigraphy and lithostratigraphy

Correlating carbon and oxygen isotope events in early to middle Miocene shallow marine carbonates in the Mediterranean region using orbitally tuned chemostratigraphy and lithostratigraphy

Deep-water paleoenvironmental changes based on early-middle Miocene benthic foraminifera from Malta Island (Central Mediterranean)

Mediterranean contributions to cyclostratigraphy and astrochronology

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