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Geosciences
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Quaternary Sedimentary Successions II
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Quaternary Sedimentary Successions II

A special issue of Geosciences (ISSN 2076-3263). This special issue belongs to the section "Sedimentology, Stratigraphy and Palaeontology".

Deadline for manuscript submissions: closed (15 May 2022) | Viewed by 7541

Special Issue Editor

Dr. Francesco Sciuto

E-Mail Website
Guest Editor
Earth Sciences Section, Department of Biological, Geological and Environmental Sciences, University of Catania, Catania, Italy
Interests: quaternary; Ostracoda; environments; stratigraphy; marine ecology and paleoecology; micropaleontology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Quaternary is the most recent period in the history of Earth. It is characterized by a general decrease in temperature and the inception of strong climatic oscillations, as well as the diffusion of hominids whose activities have significantly contributed to altering natural processes.

All these factors have affected the production, transport, and deposition of sediments, leaving recognizable marks within sedimentary successions deposited either in continental settings and particularly in lakes or marine settings. Owing to their young stage of development, quaternary marine sediments, particularly deep-sea ones, crop out in restricted areas affected by strong tectonic activity, leading to relevant landmass uplift. Yet, a relevant quantity of sedimentary successions still remains submerged and can be studied mostly through indirect analyses.

These sedimentary successions hold precious information that can be used not only to reconstruct the evolution of past sedimentary basins but also to decipher and enlighten worldwide climatic changes (currently, a topic of considerable and alarming social and economic interest) and their dynamics, as well as to locate abrupt depositional events produced by regional or local geological causes, including volcanic- or seismic-related tsunamis. This information can be used to foresee possible future scenarios.

Traditional field collection and remote acquisition of data and facies analysis are now more and more often combined with high-resolution sequence stratigraphy and multidisciplinary approaches employing geobiological data from fossil groups that can be used as geological archives (good palaeoenvironmental and stratigraphical indicators), geochemical data from particular isotopes, and new geophysical and informatics tools for modeling and optimization.

Contributions in all possible fields of the earth sciences are encouraged.

Dr. Francesco Sciuto
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Geosciences is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1800 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • paleontology
  • geology
  • stratigraphy
  • marine geology
  • marine ecology
  • facies analysis
  • marine paleoecology
  • Quaternary climatology and paleoclimatology

Published Papers (2 papers)

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Research

25 pages, 4540 KiB  
Article
Dating of Holocene Sedimentary and Paleosol Sequence within the Guadalentín Depression (Murcia, SE Spain): Paleoclimatic Implications and Paleoseismic Signals
by Pablo G. Silva, Elvira Roquero, Alicia Medialdea, Teresa Bardají, Javier Élez and Miguel A. Rodríguez-Pascua
Geosciences 2022, 12(12), 459; https://0-doi-org.brum.beds.ac.uk/10.3390/geosciences12120459 - 19 Dec 2022
Viewed by 1455
Abstract
This work presents the chronology of the Holocene filling of the Guadalentín Tectonic Depression (Murcia, SE Spain) combining 14C and OSL age data. This work studies the sediments and paleosols interbedded in the sedimentary sequence between Totana and Librilla, using as reference [...] Read more.
This work presents the chronology of the Holocene filling of the Guadalentín Tectonic Depression (Murcia, SE Spain) combining 14C and OSL age data. This work studies the sediments and paleosols interbedded in the sedimentary sequence between Totana and Librilla, using as reference the Espuña Karting section (Alhama de Murcia), which has been fully sampled for its geochronological analysis. The entire dated sequences record the last c. 20–19 ka BP, although local basal travertine beds extend back to the Late Pleistocene (30–33 ka). Soil morphology and properties from dated paleosols record different environmental crises in SE Spain, but also a progressive aridification throughout the Holocene. The Chalcolithic Paleosol develops soon after c. 4.6–4.0 BP, nearly coinciding with the start of the Meghalayan stage, evidencing a drastic change from relatively humid to arid conditions, coincident with the crisis of the Copper Age civilizations in Spain. The Bronze Age paleosol also developed under arid but relatively more humid conditions, indicating a more important and longer gap in the sedimentary sequence soon after c. 2.5–2.7 ka BP. This stop in the sedimentation are correlative to the first stages of fluvial incision at basin center locations and the desiccation and fragmentation of the ancient wetlands coinciding with the collapse of the Bronze Age civilizations in SE Spain (Argaric Culture). During the Ibero-Roman Humid Period (IRHP), c. 2.6–1.6 ka BP, the last pedogenic cycle occurred under relatively humid conditions. This preluded the progressive establishment of exorheic fluvial environments as well as a period of paleoseismic activity in the area around 2.0–1.8 ka BP. Full article
(This article belongs to the Special Issue Quaternary Sedimentary Successions II)
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59 pages, 14020 KiB  
Article
Trends and Composition—A Sedimentological-Chemical-Mineralogical Approach to Constrain the Origin of Quaternary Deposits and Landforms—From a Review to a Manual
by Harald G. Dill
Geosciences 2022, 12(1), 24; https://0-doi-org.brum.beds.ac.uk/10.3390/geosciences12010024 - 06 Jan 2022
Cited by 3 | Viewed by 5142
Abstract
In this study, six basic Quaternary landform series (LFS) and their sedimentary deposits (LFS1 aeolian, LFS 2.1 to 2.2 mass wasting, LFS 3 cryogenic-glacial, LFS 4.1 to 4.6 fluvial, LFS 5.1 to 5.2 coastal-marine, LFS 6.1 to 6.3 lacustrine) are subdivided into subtypes [...] Read more.
In this study, six basic Quaternary landform series (LFS) and their sedimentary deposits (LFS1 aeolian, LFS 2.1 to 2.2 mass wasting, LFS 3 cryogenic-glacial, LFS 4.1 to 4.6 fluvial, LFS 5.1 to 5.2 coastal-marine, LFS 6.1 to 6.3 lacustrine) are subdivided into subtypes and examined with regard to their sedimentological parameters and their mineralogical and chemical compositions. Emphasis is placed on the textural (related to transport and deposition), compositional (sediment load/weight, Eh and pH) and geodynamic maturity of the sedimentary deposits which are influenced by the parent lithology and bedrock tectonic and by the climate during the last 2 Ma. To constrain the development of the LFS and their sediments, composite trend-line diagrams are designed combining sedimentological (x-axis) and chemical/mineralogical dataset (y-axis): (1) sorting vs. heavy mineral content; (2) sphericity of grains vs. silica/carbonate contents; and (3) median vs. Ti/Fe ratios. In addition, the x-y plots showing the log SiO2/Al2O3 vs. log Na2O/K2O are amended by a dataset of the three most common clay minerals, i.e., kaolinite-, mica-, and smectite-group clay minerals. Such joint sedimentological-chemical-mineralogical investigations focused on the depositional environment of unconsolidated clastic sediments of Quaternary age can be used to describe the economic geology and environmental geology of mineral deposits in the pre-Quaternary sedimentary series according to the phrase: “The Present is the key to the Past”. Both trend diagrams and compositional x-y plots can contribute to constraining the development of the full transect of landform series from the fluvial incision and slope retreat to reef islands fringing the coastal zone towards the open sea as far as they are built up of clastic sedimentary deposits enriched in siliceous and/or carbonate minerals. Climate zonation and crustal maturity are the exogenous and endogenous “drivers”, as can be deduced from the compositional (mineralogy and chemistry) and physical (transport and deposition) variations observed in the Quaternary sediments. The current study bridges the gap between a review only based on literature and a hybrid manual generated by practical field studies devoted to applied geosciences in economic and environmental geology (“E & E issue”). Full article
(This article belongs to the Special Issue Quaternary Sedimentary Successions II)
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