Bibliographies thématiques / Early-Middle Pleistocene Transition

Littérature scientifique sur le sujet « Early-Middle Pleistocene Transition »

Auteur : Grafiati
Publié le 10 mars 2023

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Articles de revues sur le sujet "Early-Middle Pleistocene Transition"

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Peng, Xianzhe, Hong Ao, Guoqiao Xiao, Xiaoke Qiang et Qiang Sun. « The Early-Middle Pleistocene transition of Asian summer monsoon ». Palaeogeography, Palaeoclimatology, Palaeoecology 545 (mai 2020) : 109636. http://dx.doi.org/10.1016/j.palaeo.2020.109636.

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Maslin, Mark A., et Christopher M. Brierley. « The role of orbital forcing in the Early Middle Pleistocene Transition ». Quaternary International 389 (décembre 2015) : 47–55. http://dx.doi.org/10.1016/j.quaint.2015.01.047.

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Markova, Anastasia K. « Eastern European rodent (Rodentia, mammalia) faunas from the Early–Middle Pleistocene transition ». Quaternary International 131, no 1 (janvier 2005) : 71–77. http://dx.doi.org/10.1016/j.quaint.2004.07.020.

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Zieliński, Tomasz. « Prospects and limitations of heavy mineral analyses to discriminate preglacial/glacial transitions in Pleistocene sedimentary successions ». Geologos 24, no 2 (1 août 2018) : 151–62. http://dx.doi.org/10.2478/logos-2018-0014.

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Abstract The present study revolves around the identification of the stratigraphical boundary between Pleistocene formations that formed prior to the first advance of the Scandinavian ice sheet (Early Pleistocene, i.e., the so-called preglacial) and the overlying, glacially derived deposits (Middle Pleistocene). In particular, it focuses on variation in heavy mineral assemblages, which are an important tool for stratigraphers. The Neogene basement, described here, was most often the source of material that was redeposited by Early Pleistocene rivers. The geological structure and Early Pleistocene palaeogeographical scenarios for various Polish regions are discussed. Moreover, comparisons with other European preglacial formations are carried out. The mineral spectrum of Lower Pleistocene deposits is largely dependent of rocks of the Neogene and Mesozoic basement. If the incision of ancient catchments was into terrigenous rocks, the stratigraphical boundary between preglacial and glacial formations is easily determined with the help of a heavy mineral analysis. As a rule, this coincides with a noticeable change from resistant to non-resistant mineral associations. Such cases are noted for successions in central Poland and eastern England. On the other hand, outcrops of igneous or metamorphic rocks exist within preglacial river catchments in most parts of Europe. They were the local sources of non-resistant heavy minerals long before their glacial supply from the Baltic Shield. In these cases, mineralogical analysis fails in the search for the Early/Middle Pleistocene transition.
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Johnson, Kenneth G. « Middle Miocene recovery of Caribbean reef corals : New data from the Tamana Formation, Trinidad ». Journal of Paleontology 75, no 3 (mai 2001) : 513–26. http://dx.doi.org/10.1017/s0022336000039639.

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Caribbean coral reef communities were restructured by episodes of accelerated biotic change during the late Oligocene/early Miocene and the late Pliocene/early Pleistocene. However, rigorous description of the effects of rapid biotic change is problematic because preservation and exposure of coral-bearing deposits is not consistent in all stratigraphic intervals. In the Caribbean, early and middle Miocene exposures are more rare than late Miocene and Pliocene exposures. One exception is the late early to early middle Miocene Tamana Formation of Trinidad, and old and new collections from this unit were studied to determine the timing of recovery after the Oligocene/Miocene transition. A total of 41 species of zooxanthellate corals were recovered from the unit, including 21 new records. Within these assemblages, species first occurrences outnumber species last occurrences by a factor of four (31 first occurrences and eight last occurrences). The extension of the stratigraphic ranges of species previously first recorded in Pliocene sediments has reduced an apparent Pliocene pulse of origination, indicating that the Pliocene/Pleistocene transition was largely a result of accelerated extinction against a background of near-constant origination. The fact that few species last occur in the Tamana fauna indicates that the Oligocene/Miocene transition was complete by the end of the early Miocene.
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Marković, S. B., U. Hambach, T. Stevens, M. Jovanović, K. O'Hara-Dhand, B. Basarin, H. Lu et al. « Loess in the Vojvodina region (Northern Serbia) : an essential link between European and Asian Pleistocene environments ». Netherlands Journal of Geosciences - Geologie en Mijnbouw 91, no 1-2 (septembre 2013) : 173–88. http://dx.doi.org/10.1017/s0016774600001578.

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AbstractLoess deposits in the Vojvodina region, northern Serbia, are among the oldest and most complete loess-paleosol sequences in Europe to date. These thick sequences contain a detailed paleoclimatic record from the late Early Pleistocene. Based on the correlation of detailed magnetic susceptibility (MS) records from Vojvodina with the Chinese loess record and deep-sea isotope stratigraphy we here reconfirm and expand on a stratigraphic model of the Vojvodinian loess-paleosol chronostratigraphic sequence following the Chinese loess stratigraphic system.Variations in MS, dust accumulation rates, and the intensity of pedogenesis demonstrate evidence for a Middle Pleistocene climatic and environmental transition. The onset of loess deposition in Vojvodina also indicates a direct link between dust generation in Europe and that in the interior of Eurasia since the Early Pleistocene. The youngest part of the Early Pleistocene and oldest part of the Middle Pleistocene is characterised by relatively uniform dust accumulation and soil formation rates as well as relatively high magnetic susceptibility values. In contrast, the last five interglacial-glacial cycles are characterised by sharp environmental differences between high dust accumulation rates during the glacials and low rates observed during soil development. The data presented in this study demonstrate the great potential of Vovjodina's loess archives for accurate reconstruction of continental Eurasian Pleistocene climatic and environmental evolution.
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Head, Martin J., Brad Pillans et Sarah A. Farquhar. « The Early–Middle Pleistocene Transition : characterization and proposed guide for the defining boundary ». Episodes 31, no 2 (1 juin 2008) : 255–59. http://dx.doi.org/10.18814/epiiugs/2008/v31i2/014.

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Huuse, Mads. « Late Cenozoic palaeogeography of the eastern North Sea Basin : climatic vs tectonic forcing of basin margin uplift and deltaic progradation ». Bulletin of the Geological Society of Denmark 49 (2 décembre 2002) : 145–70. http://dx.doi.org/10.37570/bgsd-2003-49-12.

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The late Eocene to middle Pleistocene development of the eastern North Sea Basin is described by a series of palaeogeographic maps. The maps are based on published information integrated with recent investigations of seismic and well data from the eastern North Sea. The maps provide overviews of the basin geometry at late Eocene, late Oligocene, middle Miocene, late Miocene, late Pliocene and middle Pleistocene time. In post-Eocene time, the eastern and central North Sea Basin was progressively filled by large deltas, which built out from the eastern basin margin. These deltas were fed by ancient rivers from southern Norway (late Paleocene-Oligocene and Pliocene), southern Norway and Sweden (early Miocene), the Baltic region (middle Miocene-early Pleistocene), and finally by rivers flowing northward through the northwest European lowland (middle Pleistocene). It is argued that the Cenozoic evolution of the eastern North Sea Basin may be explained by a ‘self-perpetuating’ passive model. This model involves isostatic uplift of source areas due to erosional unloading of a relief generated by early Palaeogene uplift. The erosional unloading accelerated at the Eocene/Oligocene transition, in the middle Miocene and in the Plio-Pleistocene corresponding to periods of global climatic cooling and long-term eustatic lowering as indicated by δ18O records. The passive model diminishes the need for hypothetical Neogene tectonic events, although the influence of tectonic events cannot be excluded. Previous estimates of Neogene uplift and erosion of the northeastern Danish North Sea of the order of 500–1000 m do not agree with seismic geometries or with the regional palaeogeographic development. This indicates that previous estimates of Neogene uplift and erosion of the northeastern Danish North Sea may be several hundred metres too high.
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Martı́nez-Navarro, Bienvenido, et Maria Rita Palombo. « Occurrence of the Indian genusHemibos(Bovini, Bovidae, Mammalia) at the Early–Middle Pleistocene transition in Italy ». Quaternary Research 61, no 3 (mai 2004) : 314–17. http://dx.doi.org/10.1016/j.yqres.2004.02.002.

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The morphology of the horn-core structure and section shape of theBos galerianustype specimen, as well as the general anatomy of the frontal and occipital areas of the skull, suggest that the skull is better attributed to the Indian genusHemibos. This finding contributes to our understanding of faunal dispersal patterns into Europe at the Early–Middle Pleistocene transition.
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Bertini, Adele, Francesco Toti, Maria Marino et Neri Ciaranfi. « Vegetation and climate across the Early–Middle Pleistocene transition at Montalbano Jonico, southern Italy ». Quaternary International 383 (octobre 2015) : 74–88. http://dx.doi.org/10.1016/j.quaint.2015.01.003.

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Thèses sur le sujet "Early-Middle Pleistocene Transition"

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Jonsson, Carl H. W. « Late-early to middle pleistocene vegetation and climate history of the Highland Valley, British Columbia, Canada ». Thesis, 2017. https://dspace.library.uvic.ca//handle/1828/8922.

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The climate and vegetation history of the Middle Pleistocene transition in the interior of British Columbia (BC) is poorly understood due largely to the lack of records. Sediments from the overburden of the Teck Highland Valley Copper mine (HVC) of British Columbia straddle the Brunhes-Matuyama paleomagnetic transition, providing a opportunity to study this critical Pleistocene interval. The stratigraphy was described and sampled for paleomagnetic and pollen/spore analysis at reconnaissance scale. The HVC sediments consist mainly of (from bottom to top) a lower glacial drift, >50 m of lakebed sediments, ~50 m of gravel fan deposits, and a >60 m thick drift of mostly glacial till. These units were deposited by a valley glacier, lake, fluvial/debris flow events, and an ice sheet, respectively. Pollen and spore analyses, reveal at least 11 climate-vegetation intervals (9 zones, 2 more possible ones). These are broadly classified as either warm Pinus-Picea parkland and forest, cold Selaginella-rich steppe or arid Artemisia-Poaceae steppe. These intervals suggest a long paleo-environmental record at HVC and indicate fluctuations between glacial and interglacial climates which can tentatively be placed with Marine Isotope Stages 23 through 16 and younger. The HVC record is a unique sequence with the potential to reveal a much more detailed history of this critical time in Earth’s past. Implications of these findings are discussed.
Graduate
2018-12-06
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Toti, Francesco. « A Mediterranean perspective on the Early-Middle Pleistocene transition with emphasis on marine isotope stage 19 ». Doctoral thesis, 2018. http://hdl.handle.net/2158/1124617.

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In this thesis, we discuss pollen and dinocysts data from the western and central Mediterranean to reconstruct vegetation and climate during the Early-Middle Pleistocene transition, with emphasis on MIS 19, i.e. the best analogue of the present interglacial.
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Livres sur le sujet "Early-Middle Pleistocene Transition"

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(Editor), M. J. Head, et P. L. Gibbard (Editor), dir. Early Middle Pleistocene Transitions : The Land-Ocean Evidence (Special Publication, No. 247). Geological Society of London, 2005.

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Chapitres de livres sur le sujet "Early-Middle Pleistocene Transition"

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Belmaker, Miriam. « Hominin Adaptability and Patterns of Faunal Turnover in the Early to Middle Pleistocene Transition in the Levant ». Dans Sourcebook of Paleolithic Transitions, 211–27. New York, NY : Springer New York, 2009. http://dx.doi.org/10.1007/978-0-387-76487-0_12.

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