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Geosciences, Volume 14, Issue 7

2024 July - 22 articles

Cover Story: This article presents a new episode of accelerated environmental change recorded during the late Barremian. The study is based on a multi-proxy approach integrating C-isotope stratigraphy, a high-resolution quantitative study of nannofossil assemblages, major and trace elements, and biomarkers. Our results outline the paleoenvironmental conditions recorded during the early stages of the Taxy Episode. A disturbance has been identified in the C-isotope record, called the IFeNE (Intra-Feradianus negative C-excursion), which predates the well-known ISNE (Intra-Sarasini negative C-excursion). This study unveils a separate episode of warming heralding the ISNE, resulting in the acceleration of the hydrological cycle and a consequent increase in continental inputs and the fertilization of surface waters, which is linked to the early phases of the Ontong Java Plateau. View this paper
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Articles (22)

  • Article
  • Open Access
1,549 Views
17 Pages

Geological Assessment of Faults in Digitally Processed Aerial Images within Karst Area

  • Laszlo Podolszki,
  • Nikola Gizdavec,
  • Mateo Gašparović and
  • Tihomir Frangen

The evolution of map development has been shaped by advancing techniques and technologies. Nevertheless, field and remote mapping with cabinet data analysis remains essential in this process. Geological maps are thematic maps that delineate diverse g...

  • Article
  • Open Access
3 Citations
1,842 Views
22 Pages

This work illustrates a semi-quantitative approach to evaluate changes in regional landslide distribution as a consequence of forecasted climate change, which can be adopted at other regions. We evaluated the relationship between climate conditions a...

  • Article
  • Open Access
1,533 Views
15 Pages

Flash floods in ephemeral streams are rare, short and difficult to forecast and thus to monitor. During these events, bedload transport reaches very high rates and most sediment transport occurs within a limited number of hours during the course of a...

  • Article
  • Open Access
4 Citations
1,840 Views
27 Pages

A PLL-Based Doppler Method Using an SDR-Receiver for Investigation of Seismogenic and Man-Made Disturbances in the Ionosphere

  • Nazyf Salikhov,
  • Alexander Shepetov,
  • Galina Pak,
  • Vladimir Saveliev,
  • Serik Nurakynov,
  • Vladimir Ryabov and
  • Valery Zhukov

The article describes in detail the equipment and method for measuring the Doppler frequency shift (DFS) on an inclined radio path, based on the principle of the phase-locked loop using an SDR receiver for the investigation of seismogenic and man-mad...

  • Article
  • Open Access
1 Citations
1,797 Views
20 Pages

The Preparation Phase of the 2022 ML 5.7 Offshore Fano (Italy) Earthquake: A Multiparametric–Multilayer Approach

  • Martina Orlando,
  • Angelo De Santis,
  • Mariagrazia De Caro,
  • Loredana Perrone,
  • Saioa A. Campuzano,
  • Gianfranco Cianchini,
  • Alessandro Piscini,
  • Serena D’Arcangelo,
  • Massimo Calcara and
  • Maurizio Soldani
  • + 3 authors

This paper presents an analysis of anomalies detected during the preparatory phase of the 9 November 2022 ML = 5.7 earthquake, occurring approximately 30 km off the coast of the Marche region in the Adriatic Sea (Italy). It was the largest earthquake...

  • Article
  • Open Access
4,073 Views
25 Pages

There are some persistent basic questions pertaining to the bedrock schist of New York City (NYC). How many mappable schist formations are exposed in NYC, and what was the sedimentary protolith of the Manhattan schists? Our proposed answers are based...

  • Article
  • Open Access
1 Citations
2,950 Views
16 Pages

Elemental Geochemistry on Paleoenvironment Reconstruction: Proxies on Miocene-Pliocene of Marine to Fluvial Sediment in Serpong, Banten, Indonesia

  • Heri Syaeful,
  • Syaiful Bakhri,
  • Budi Muljana,
  • Agus Sumaryanto,
  • I. Gde Sukadana,
  • Hendra Adhi Pratama,
  • Adi Gunawan Muhammad,
  • Ngadenin,
  • Frederikus Dian Indrastomo and
  • Zufialdi Zakaria
  • + 5 authors

Research of the depositional environment using geological mapping, petrography, gamma-ray (GR) log, palynology, and foraminifera fossils of the Bojongmanik Formation has led to the formation of several different conclusions about the transition to th...

  • Article
  • Open Access
3 Citations
2,501 Views
22 Pages

This study involves an investigation into the grain size distribution and provenance of the sand deposited near Zagreb (Croatia) in the riverbed of the regionally important, almost 1000 km long Sava River, which connects several SE European countries...

  • Article
  • Open Access
2 Citations
1,686 Views
12 Pages

New Evidence for an Episode of Accelerated Environmental Change in the Late Barremian: Geochemical and Paleontological Records from the Subbetic Basin (Western Tethys)

  • Ginés A. de Gea,
  • José Manuel Castro,
  • Miguel Company,
  • Luis O’Dogherty,
  • José Sandoval,
  • María Luisa Quijano,
  • Cristina Sequero,
  • Sandro Froehner and
  • Roque Aguado

We investigate a new event of accelerated environmental change that was recorded during the late Barremian in the pelagic Subbetic Basin (Western Tethys). Two pelagic sections have been studied using a multi-proxy approach based on C-isotope stratigr...

  • Article
  • Open Access
1 Citations
2,454 Views
21 Pages

Mapping Seafloor Sediment Distributions Using Public Geospatial Data and Machine Learning to Support Regional Offshore Renewable Energy Development

  • Connor W. Capizzano,
  • Alexandria C. Rhoads,
  • Jennifer A. Croteau,
  • Benjamin G. Taylor,
  • Marisa L. Guarinello and
  • Emily J. Shumchenia

Given the rapid expansion of offshore wind development in the United States (US), the accurate mapping of benthic habitats, specifically surficial sediments, is essential for mitigating potential impacts on these valuable ecosystems. However, offshor...

  • Article
  • Open Access
5 Citations
4,356 Views
14 Pages

Core Flooding Experiments on the Impact of CO2-EOR on the Petrophysical Properties and Oil Recovery Parameters of Reservoir Sandstones in Kazakhstan

  • Ainash Shabdirova,
  • Ashirgul Kozhagulova,
  • Yernazar Samenov,
  • Rinat Merbayev,
  • Ainur Niyazbayeva and
  • Daryn Shabdirov

This study investigates the impact of CO2-enhanced oil recovery (CO2-EOR) on the petrophysical properties and oil recovery potential of sandstone reservoirs in the oilfields located in the east-southern Precaspian region of Kazakhstan. Despite the re...

  • Article
  • Open Access
4 Citations
1,941 Views
10 Pages

Two nanhsiungchelyid carapaces from the Upper Cretaceous of Ganzhou Basin, Jiangxi Province, Southern China, are reported and assigned to Nanhsiungchelys sp. The new material reveals an unusual carapace morphology that was either not or poorly preser...

  • Article
  • Open Access
1 Citations
2,570 Views
13 Pages

This study utilizes domain adaptation to enhance the integration of diverse geoscience datasets, aiming to improve the identification of ore bodies. Traditional mineral exploration methods often face challenges in merging different geoscience data ty...

  • Article
  • Open Access
9 Citations
2,917 Views
16 Pages

Stabilization using industrial by-products is presently gaining importance in the construction sector for improving the geotechnical characteristics of soft soils. The optimum dosage of stabilisers has become of great interest to experimenters in ter...

  • Article
  • Open Access
2 Citations
3,055 Views
27 Pages

Marl Mining Activity and Negative Repercussions for Two Hillside Villages (Northern Italy)

  • Fabio Luino,
  • Sabrina Bonetto,
  • Barbara Bono,
  • Cesare Comina,
  • William W. Little,
  • Sabina Porfido,
  • Paolo Sassone and
  • Laura Turconi

Coniolo and Brusaschetto, are two small towns located in the Monferrato area of the Alessandria Province, northern Italy. These communities have similar histories related to development and subsequent abandonment of marl quarry activity that began mo...

  • Article
  • Open Access
1 Citations
2,475 Views
23 Pages

This research examines the integration of geological and hydrogeological data in numerical aquifer model simulations, with a particular focus on the urban area of Torino, Italy. The role of groundwater resources in urban sustainability is analysed. T...

  • Article
  • Open Access
1,987 Views
26 Pages

This paper focuses on the structural and finite strain analysis of the Pelagonian nappe, the HP/LT Ampelakia unit, and the Olympos-Ossa unit in the Olympos-Ossa mountainous area in order to better understand the exhumation history of the Ampelakia un...

  • Article
  • Open Access
10 Citations
3,433 Views
19 Pages

Supra-glacial debris cover is important for the control of surface ice melt and glacier retreat in mountain regions. Despite the progress in techniques based on various satellite imagery, the mapping of debris-covered glacier boundaries over large re...

  • Article
  • Open Access
1 Citations
3,237 Views
36 Pages

Modern River-Sand Geochemical Mapping in the Manufahi Municipality and Its Surroundings, Timor-Leste: Implications for Provenance

  • Vital Vilanova,
  • Tomoyuki Ohtani,
  • Satoru Kojima,
  • Kazuma Yatabe,
  • Nene Cristovão and
  • Aniceta Araujo

A geochemical mapping of regional modern river-sand is performed to clarify geological information in the study area of Timor-Leste. Several areas of Timor-Leste including the study area in particular have limited geological information due to limite...

  • Article
  • Open Access
1,745 Views
11 Pages

Determining the Cohesive Length of Rock Materials by Roughness Analysis

  • Saeed Aligholi,
  • Manoj Khandelwal and
  • Ali Reza Torabi

In this research, the cohesive length of various rock types is measured using quantitative fractography alongside a recently developed multifractal analysis. This length is then utilized to gauge material cohesive stress through the theory of critica...

  • Article
  • Open Access
4 Citations
2,575 Views
24 Pages

Sustainable Geotourism in the Chiusella Valley (NW Italian Alps): A Tool for Enhancing Alpine Geoheritage in the Context of Climate Change

  • Arianna Negri,
  • Elena Storta,
  • Rasool Bux Khoso,
  • Agnese Maria Colizzi,
  • Fiorella Acquaotta,
  • Mauro Palomba and
  • Marco Giardino

The Chiusella Valley (NW Italian Alps) is a key area for both the history of the alpine orogeny and its environmental context. It presents major structural features (including the Traversella neoalpine intrusion and a section of the Insubric line) an...

  • Article
  • Open Access
5 Citations
3,277 Views
24 Pages

In India, particularly within its Northeastern territories, landslides triggered by rainfall following dry periods are a major concern, consistently causing extensive damage to both life and infrastructure. This study focuses on mitigating their impa...

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Geosciences - ISSN 2076-3263