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Geosciences, Volume 13, Issue 9

2023 September - 33 articles

Cover Story:

Stable isotope compositions of Arctic paleoprecipitation are reported using phyllosilicates sampled from three paleosols and two bentonites in the Prince Creek Formation (Maastrichtian) in northern Alaska. Estimates of paleoprecipitation were calculated using mineralogical, elemental, and stable oxygen and hydrogen isotopic data recovered from the phyllosilicates. The resulting water isotope values do not intersect the Global Meteoric Water Line and show a deuterium excess ranging from 7 to 46 per mil. These results confirm the presence of a deuterium excess in Late Cretaceous Arctic paleoprecipitation and provide new insights to assessing possible explanations for this phenomenon, with implications for the mechanisms of Cretaceous polar warmth. View this paper

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Articles (33)

  • Article
  • Open Access
3 Citations
2,873 Views
24 Pages

Holocene Deformations at the Po Plain–Southern Alps Transition (Lake Maggiore, Italy): Inferences on Glacially vs. Tectonic-Induced Origin

  • Niccolò Menegoni,
  • Matteo Maino,
  • Giovanni Toscani,
  • Lucia Isabella Mordeglia,
  • Gianfranco Valle and
  • Cesare Perotti

21 September 2023

The investigation of deformations in Quaternary deposits holds primary importance in understanding recent geological history and natural hazards in highly populated areas, such as the Po Plain. While civil excavations and trenches possess the potenti...

  • Article
  • Open Access
3 Citations
5,102 Views
22 Pages

21 September 2023

The seismicity in the Ionian Sea region is very high. In the historical period, many earthquakes have been reported mainly since the 16th century. In this research, we investigated the historical seismicity in the Ionian Sea, emphasizing earthquakes...

  • Article
  • Open Access
3,151 Views
16 Pages

20 September 2023

Salt harvesting through natural solar evaporation of salt brines is a practice notably abundant in the Iberian Peninsula. Such activity has been relevant for human consumption, food preservation, livestock feed, and various industries throughout hist...

  • Article
  • Open Access
1 Citations
3,176 Views
26 Pages

20 September 2023

Since Antiquity, sustainable resources of gold and copper have been mined at two prominent prospects in the north Eastern Desert of Egypt, namely the south Gabel Um Monqul (SGUM) and Gabal Al Kharaza (GKZ). Mineralization is hosted by Neoproterozoic...

  • Technical Note
  • Open Access
15 Citations
4,029 Views
12 Pages

Pearson Correlation Coefficient Applied to Petroleum System Characterization: The Case Study of Potiguar and Reconcavo Basins, Brazil

  • Érica T. Morais,
  • Gabriel A. Barberes,
  • Igor Viegas A. F. Souza,
  • Fabiano G. Leal,
  • Jarbas V. P. Guzzo and
  • André L. D. Spigolon

18 September 2023

This study applied the Pearson correlation coefficient and principal component analysis as tools for unsupervised qualitative petroleum system evaluation techniques. A total of 252 oil samples (32 features per sample) representative of two Brazilian...

  • Article
  • Open Access
4 Citations
2,197 Views
13 Pages

14 September 2023

The Lambousa fishtank, an archaeological structure entirely carved in bedrock, can be easily recognized and measured in the plan on Google Earth (GE). We surveyed in situ this excellent archaeological marker in 2016 through direct measurements using...

  • Article
  • Open Access
2 Citations
2,144 Views
23 Pages

Ochotopteris—An Endemic Fern of the Mid-Cretaceous Arctic

  • Alexei B. Herman and
  • Ksenia V. Domogatskaya

14 September 2023

Three species belonging to the fern genus Ochotopteris E. Lebedev, including the new species O. lebedevii Herman et Domogatskaya, are revised, described and illustrated in this paper. The fossils come from Albian, Cenomanian, Turonian and Coniacian b...

  • Article
  • Open Access
13 Citations
2,664 Views
25 Pages

Features of Soil Organic Carbon Transformations in the Southern Area of the East European Plain

  • Fedor N. Lisetskii,
  • Zhanna A. Buryak,
  • Olga A. Marinina,
  • Pavel A. Ukrainskiy and
  • Pavel V. Goleusov

14 September 2023

The active development of the problems related to the assessment of the role of the pedosphere in global climate change involves the possibility of application of the quantitative determination of soil organic carbon (SOC) as one of the indicators of...

  • Article
  • Open Access
2 Citations
6,383 Views
35 Pages

13 September 2023

This work aims to analyse the mechanisms and factors contributing to shallow soil landslides in river valleys entrenched in lowlands on the example of the Central Radunia Valley. The combination of susceptibility analysis using geographic-information...

  • Article
  • Open Access
6 Citations
3,392 Views
24 Pages

13 September 2023

Advances in research on environmental problems and public awareness of them have led to renewed concern about the need to establish mechanisms and figures to protect and manage sites so that geoecological processes remain outside the dynamics of anth...

  • Article
  • Open Access
2,916 Views
32 Pages

Magnetic Fabric and Paleomagnetic Analyses of the Zaghar and Tafresh Areas, Central Urumieh-Dokhtar Magmatic Arc, Iran

  • Maryam Sheibi,
  • Nima Rahimi,
  • Pierre Rochette,
  • François Demory and
  • Hassan Mirnejad

12 September 2023

Magnetic fabric, paleomagnetic, and petrophysical studies were conducted on rocks in the Tafresh area of the central Urumieh-Dokhtar magmatic arc in Iran. The samples included Late Triassic dark gray sandstone, a mafic dyke, diorites, and a felsic dy...

  • Communication
  • Open Access
6 Citations
4,565 Views
14 Pages

12 September 2023

There are different ideas about the classification and distribution of permafrost in Mongolia. Terms such as continuous, discontinuous, sporadic, and isolated permafrost are inconsistently applied; hence, maps of permafrost display different distribu...

  • Article
  • Open Access
1 Citations
2,530 Views
15 Pages

10 September 2023

We report estimated stable isotope compositions of Artic paleoprecipitation using phyllosilicates sampled from three paleosols and two bentonites in the Prince Creek Formation (Maastrichtian) in northern Alaska. Previous studies reported a deuterium...

  • Brief Report
  • Open Access
2 Citations
2,543 Views
14 Pages

8 September 2023

This paper uses the displacement discontinuity method, one of the boundary element methods, to solve two major engineering problems. The first one addresses the safe design of underground excavations in fractured rock masses. The implemented method w...

  • Article
  • Open Access
2,485 Views
20 Pages

3D Body-Wave Velocity Structure of the Southern Aegean, Greece

  • Andreas Karakonstantis and
  • Filippos Vallianatos

7 September 2023

This study delves into the southern Aegean regionwhere the subduction of the oceanic Mediterranean lithosphere under the Aegean continental one takes place. This region is considered one of the most active ones in the eastern Mediterranean Sea due to...

  • Article
  • Open Access
6 Citations
2,012 Views
18 Pages

Expected Changes in Rainfall-Induced Landslide Activity in an Italian Archaeological Area

  • Evelina Volpe,
  • Stefano Luigi Gariano,
  • Luca Ciabatta,
  • Yaser Peiro and
  • Elisabetta Cattoni

7 September 2023

Cultural heritage is one of the most exceptional resources characterizing the Italian territory. Archaeological heritage, i.e., the archaeological sites with different types of archaeological artifacts, strongly contributes to enriching the national...

  • Article
  • Open Access
1 Citations
2,986 Views
30 Pages

Identifying Probable Submarine Hydrothermal Spots in North Santorini Caldera Using the Generalized Moments Method

  • Ana Dura,
  • Paraskevi Nomikou,
  • Theo J. Mertzimekis,
  • Mark D. Hannington,
  • Sven Petersen and
  • Serafim Poulos

6 September 2023

The presence of active hydrothermal vent fields near residential areas and their possible link to volcanic activity poses a potential hazard to the environment, society, and the economy. By capitalizing on Autonomous Underwater Vehicle sampling metho...

  • Article
  • Open Access
7 Citations
2,816 Views
31 Pages

4 September 2023

This study reports a fractal analysis of one-year radon in groundwater disturbances from five stations in China amidst the catastrophic Wenchuan (Mw = 7.9) earthquake of 12 May 2008 (day 133). Five techniques are used (DFA, fractal dimensions with Hi...

  • Article
  • Open Access
12 Citations
4,109 Views
18 Pages

3 September 2023

We utilized the random forest (RF) machine learning algorithm, along with nine topographical/morphological factors, namely aspect, slope, geomorphons, plan curvature, profile curvature, terrain roughness index, surface texture, topographic wetness in...

  • Article
  • Open Access
10 Citations
3,516 Views
28 Pages

Monitoring CO2 Hazards of Volcanic Origin: A Case Study at the Island of Vulcano (Italy) during 2021–2022

  • Sergio Gurrieri,
  • Roberto Maria Rosario Di Martino,
  • Marco Camarda and
  • Vincenzo Francofonte

3 September 2023

The La Fossa volcano is near the inhabited zone of the island of Vulcano and is a suitable case for studying gas sources of different geological origins. Since the last eruption, fumarolic-solfataric activity has interested this area with fumarolic e...

  • Article
  • Open Access
2,474 Views
16 Pages

The Qinghai–Tibet Plateau (QTP) hosts significant lacustrine sedimentary boron-rich deposits, with the Xiongba Basin being a prominent region housing two large sedimentary boron-rich deposits. These deposits are closely associated with extensiv...

  • Article
  • Open Access
1 Citations
2,168 Views
31 Pages

A Multicloud Model for Coastal Convection

  • Abigail Dah,
  • Boualem Khouider and
  • Courtney Schumacher

Coastal convection is often organized into multiple mesoscale systems that propagate in either direction across the coastline (i.e., landward and oceanward). These systems interact non-trivially with synoptic and intraseasonal disturbances such as co...

  • Article
  • Open Access
3 Citations
2,848 Views
24 Pages

In geological mapping, maps of K, Th, and U concentrations provided by airborne radiometric surveys are widely used to delineate geological units in tropical regions from the few rare outcrops. Indeed, thanks to their specific geochemical properties...

  • Article
  • Open Access
2 Citations
3,550 Views
18 Pages

A Comparative Study of Gender Disparities in Geoscience and Mining in Mongolia

  • Gerel Ochir,
  • Munkhtsengel Baatar,
  • Myagmarsuren Sanjaa and
  • Helen Williams

Mongolian women enjoy equal rights and actively participate in various sectors of the national economy, including the mineral and mining industry. The Mongolian University of Science and Technology (MUST), the largest university in Mongolia, plays a...

  • Article
  • Open Access
3 Citations
2,644 Views
17 Pages

Soil Erosion in a British Watershed under Climate Change as Predicted Using Convection-Permitting Regional Climate Projections

  • Rossano Ciampalini,
  • Elizabeth J. Kendon,
  • José A. Constantine,
  • Marcus Schindewolf and
  • Ian R. Hall

Climate change can lead to significant environmental and societal impacts; for example, through increases in the amount and intensity of rainfall with the associated possibility of flooding. Twenty-first-century climate change simulations for Great B...

  • Article
  • Open Access
2,009 Views
13 Pages

Shelter caves serve as crucial repositories that provide valuable insights into Late Pleistocene–Holocene depositional mechanisms and environmental changes. In this study, we conducted a stratigraphic analysis of the easternmost cave-fill succe...

  • Article
  • Open Access
3 Citations
3,208 Views
20 Pages

Continuous monitoring of water resources is essential for ensuring sustainable urban water supply. Remote sensing techniques have proven to be valuable in monitoring certain qualitative parameters of water with optical characteristics. This survey wa...

  • Article
  • Open Access
2 Citations
2,282 Views
18 Pages

Multiscale Structural Analysis of Ediacaran–Cambrian Rocks on the Northeastern Edge of the Saghro Inlier (Eastern Anti-Atlas): Relevance of Post-Cambrian Deformation

  • Zakarya Yajioui,
  • Helena Sant’Ovaia,
  • Brahim Karaoui,
  • Cláudia Cruz,
  • Amar Karaoui,
  • Abdelkader Mahmoudi,
  • Hmidou El Ouardi and
  • Lakhlifi Badra

The Ediacaran–Cambrian rocks on the northeastern edge of the Saghro inlier experienced polycyclic tectono-thermal events, which are reported here based on a multiscale structural analysis, from field measurements to fluid inclusion planes. Thre...

  • Review
  • Open Access
2 Citations
8,584 Views
16 Pages

The Geological and Tectonic Evolution of Feni, Papua New Guinea

  • Olive L. Ponyalou,
  • Michael G. Petterson and
  • Joseph O. Espi

Feni is located at the southeastern end of the NW-trending Tabar–Lihir–Tanga–Feni (TLTF) volcanic island chain, in northeastern Papua New Guinea. This island chain is renowned for hosting alkaline volcanics, geothermal activity, cop...

  • Article
  • Open Access
7 Citations
3,207 Views
17 Pages

Vs30 Mapping of the Greater Montreal Region Using Multiple Data Sources

  • Philippe Rosset,
  • Adil Takahashi and
  • Luc Chouinard

The metropolitan community of Montreal (MMC) is located in Eastern Canada and included in the western Quebec seismic zone characterized by shallow crustal earthquakes and moderate seismicity. Most of the urbanized areas are settled close to the Saint...

  • Article
  • Open Access
1 Citations
3,612 Views
15 Pages

The 2023 discovery of a fish fossil from lower Eocene strata of the Chuckanut Formation provides new insights into the paleoenvironment and paleoecology of one of the region’s most prolific fossil deposits. The detrital clastic fluvial and floo...

  • Article
  • Open Access
7 Citations
3,965 Views
42 Pages

Lagoonal Microfacies, Lithostratigraphy, Correlation and Shale Migration of the Basal Middle Eocene Seeb Formation (Rusayl Embayment, Sultanate of Oman)

  • Frank Mattern,
  • Andreas Scharf,
  • Abdul Razak Al-Sayigh,
  • Nada Al-Wahaibi,
  • Laura Galluccio,
  • Gianluca Frijia and
  • Mazin Al-Salmani

The study improves the understanding of the basal part of the Eocene Seeb Formation of Oman, informally known as “Unit 1”, in terms of microfacies, lithostratigraphy and shale migration within the context of regional tectonics. We logged...

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Geosciences - ISSN 2076-3263