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Geosciences, Volume 12, Issue 8

2022 August - 31 articles

Cover Story: The study of carbonate platforms, and their systems, evolution, and paleobiogeography is crucial to the understanding of the coevolution of life and the Earth. Upper Triassic Panthalassan carbonate systems remain poorly studied and understood. Lime Peak, Yukon (Canada) represents a remarkable exception in the Panthalassa. There, the remains of an Upper Norian carbonate platform show very well-preserved depositional geometries and an excellent rock preservation. In this work, we analyze the lateral and vertical distribution of carbonate microfacies as well as the factors influencing sedimentation of the complex. This paper lays the first foundations for reconstructing more robust platform models for Upper Triassic Panthalassan carbonate systems. View this paper
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Articles (31)

  • Article
  • Open Access
3 Citations
2,803 Views
14 Pages

Quantification of Alpine Metamorphism in the Edolo Diabase, Central Southern Alps

  • Marco Filippi,
  • Davide Zanoni,
  • Gisella Rebay,
  • Manuel Roda,
  • Alessandro Regorda,
  • Jean-Marc Lardeaux and
  • Maria Iole Spalla

The Southern Alps are the retro-vergent belt of the European Alps that developed from Late Cretaceous subduction to Neogene times. The most prominent Alpine thrusts and folds, nowadays sealed off by the Adamello intrusion, were already developed befo...

  • Article
  • Open Access
14 Citations
10,954 Views
22 Pages

This article presents the distribution of seasonal snow cover in the Trans-Himalayan region of Ladakh over the observation period of 2000–2019. Seasonal snow cover area and duration have been monitored and mapped based on the MODIS Normalised D...

  • Article
  • Open Access
6 Citations
3,847 Views
28 Pages

The upper Unstrut River is located in Germany at the modern Central European climate boundary of Cfb and Dfb climate. The river drains a loess landscape, which has experienced important environmental changes throughout the last 12,000 years. To evalu...

  • Article
  • Open Access
2 Citations
2,582 Views
12 Pages

Deterioration Processes on Prehistoric Rock Art Induced by Mining Activity (Arenaza Cave, N Spain)

  • Juan Carlos Cañaveras,
  • María Concepción Muñoz-Cervera and
  • Sergio Sánchez-Moral

Arenaza Cave is located in Vizcaya (N Spain) and contains important Palaeolithic rock art representations. This cave belongs to an active karstic system developed on Lower Cretaceous limestones, mainly consisting of micrites and biomicrites with abun...

  • Article
  • Open Access
10 Citations
4,226 Views
24 Pages

Maturity Matters in Provenance Analysis: Mineralogical Differences Explained by Sediment Transport from Fennoscandian and Variscan Sources

  • Mette Olivarius,
  • Henrik Vosgerau,
  • Lars Henrik Nielsen,
  • Rikke Weibel,
  • Sebastian N. Malkki,
  • Benjamin D. Heredia and
  • Tonny B. Thomsen

The significance of mineralogical maturity as a provenance indicator has long been debated and we use this study to demonstrate that it can indeed be a powerful tool to track the distribution of sandstone reservoirs. We investigate the cause of the p...

  • Article
  • Open Access
7 Citations
2,743 Views
21 Pages

Declines in seasonal sea ice in polar regions have stimulated projections of how primary production has shifted in response to greater light penetration over a longer open water season. Despite the limitations of remotely sensed observations in an of...

  • Article
  • Open Access
1 Citations
2,815 Views
22 Pages

The aim of this paper is to present a 3D Probability-based Earth Density Tomography Inversion (PEDTI) method derived from the principles of the Gravity Probability Tomography (GPT). The new method follows the rationale of a previous Probability-based...

  • Article
  • Open Access
9 Citations
3,805 Views
20 Pages

A Quick QGIS-Based Procedure to Preliminarily Define Time-Independent Rockfall Risk: The Case Study of Sorba Valley, Italy

  • Giulia Torsello,
  • Gianmarco Vallero,
  • Lorenzo Milan,
  • Monica Barbero and
  • Marta Castelli

Rockfalls are widespread, rapid, and high-energy landslide phenomena that could potentially affect large portions of populated lands. The preliminary identification of the most rockfall-prone zones is a challenging task, especially in times of extrem...

  • Article
  • Open Access
9 Citations
3,718 Views
23 Pages

Initial Accretion in Hamelin Pool Microbialites: The Role of Entophysalis in Precipitation of Microbial Micrite

  • Brooke E. Vitek,
  • Erica P. Suosaari,
  • John F. Stolz,
  • Amanda M. Oehlert and
  • R. Pamela Reid

One of the largest assemblages of living marine microbialites, with shapes and sizes analogous to ancient structures, is found along the margins of Hamelin Pool, Shark Bay, Western Australia. An investigation of microbial mats on the surfaces of thes...

  • Article
  • Open Access
6 Citations
3,991 Views
18 Pages

Geospatial Assessment of Karst Spring Water Quality in Northeast Tennessee, USA

  • Lukman Fashina,
  • Ingrid Luffman,
  • T. Andrew Joyner and
  • Arpita Nandi

Karst springs are an essential source of private water supply for about 10% of households in Tennessee. However, the water quality of these springs is unmonitored and unregulated even though many springs are highly productive yet vulnerable to contam...

  • Article
  • Open Access
6 Citations
3,725 Views
18 Pages

Intraplate volcanic islands are often considered as stable relief with constant vertical motion and used for relative sea-level reconstruction. This study shows that large abrupt mass unloading causes non-negligible isostatic adjustment. The vertical...

  • Case Report
  • Open Access
4 Citations
2,327 Views
10 Pages

The present study focused on the petrography and geotechnics of aggregates of two sites around the city of Mongo for their use in construction. The study area is located in central Chad, in the Guéra province, at the eastern and north-western...

  • Article
  • Open Access
1 Citations
3,100 Views
15 Pages

Silicified ostracods from the Tin Mountain Limestone provide new information regarding the Carboniferous paleontology of the Death Valley Region, California, USA. Acid maceration of marine limestones yielded the following ostracods: Acratia spp., Bai...

  • Article
  • Open Access
4 Citations
3,695 Views
19 Pages

Drivers of Last Millennium Antarctic Climate Evolution in an Ensemble of Community Earth System Model Simulations

  • Olivia J. Truax,
  • Bette L. Otto-Bliesner,
  • Esther C. Brady,
  • Craig L. Stevens,
  • Gary S. Wilson and
  • Christina R. Riesselman

Improved understanding of the drivers of climate variability, particularly over the last millennium, and its influence on Antarctic ice melt have important implications for projecting ice sheet resilience in a changing climate. Here, we investigated...

  • Article
  • Open Access
15 Citations
4,590 Views
24 Pages

The Thompson River valley hosts 14 landslides along a 10 km section, which threaten the two major railroads connecting the Port of Vancouver and the interior provinces in Canada. The Ripley landslide is one of the active landslides in this section of...

  • Article
  • Open Access
5 Citations
2,566 Views
19 Pages

Geotechnical Parameters of Landslide-Prone Laflamme Sea Deposits, Canada: Uncertainties and Correlations

  • Amande-Gaston Sanou,
  • Ali Saeidi,
  • Shahriyar Heidarzadeh,
  • Rama Vara Prasad Chavali,
  • Hamza Es Samti and
  • Alain Rouleau

Due to inherent variability arising from unpredictable geological depositional and post-depositional processes, the geotechnical parameters of Laflamme sea clay deposits remain highly uncertain. This study aims to develop and apply a methodology to a...

  • Article
  • Open Access
8 Citations
3,123 Views
18 Pages

Hydrothermal Numerical Simulation of Injection Operations at United Downs, Cornwall, UK

  • Saeed Mahmoodpour,
  • Mrityunjay Singh,
  • Christian Obaje,
  • Sri Kalyan Tangirala,
  • John Reinecker,
  • Kristian Bär and
  • Ingo Sass

The United Downs Deep Geothermal Project (UDDGP) is designed to utilize a presumably permeable steep dipping fault damage zone (constituting the hydrothermal reservoir in a very low permeability granitic host rock) for fluid circulation and heat extr...

  • Article
  • Open Access
3 Citations
3,078 Views
13 Pages

The performance of a large number of critical infrastructure systems needs to be periodically re-evaluated. This is especially so when such systems are located in seismic areas and are subjected to ageing effects. Seismic re-evaluations are typically...

  • Article
  • Open Access
2 Citations
2,682 Views
24 Pages

Vadose Zone Transport of Tritium and Nitrate under Ponded Water Conditions

  • Philip H. Stauffer,
  • Brent D. Newman,
  • Kay H. Birdsell,
  • Marvin O. Gard,
  • Jeffrey M. Heikoop,
  • Emily C. Kluk and
  • Terry A. Miller

Vadose zone transport of tritium and nitrate can be important considerations at radioactive waste sites, landfills, or areas with industrial impacts. These contaminants are of particular concern because they typically have a relatively higher mobilit...

  • Article
  • Open Access
10 Citations
6,161 Views
34 Pages

A New Look at Cenozoic Fossil Wood from Thailand

  • George Mustoe,
  • Chiraporn Aranyanark,
  • Nareerat Boonchai and
  • Pratueng Jintasakul

Thailand contains two notable fossil forest regions. Pleistocene fluvial sediments in the Tak region in the northern highlands contain silicified trunks of large trees. Deposits in the Khorat Plateau in northeast Thailand contain a multitude of wood...

  • Article
  • Open Access
3 Citations
4,827 Views
18 Pages

Integrated Geomatics Surveying and Data Management in the Investigation of Slope and Fluvial Dynamics

  • Carlotta Parenti,
  • Paolo Rossi,
  • Mauro Soldati,
  • Francesca Grassi and
  • Francesco Mancini

In mountain environments, slope and fluvial dynamics often interact, and their relationship can be investigated through an integrated methodological approach. Landslides are a source of supplying sediments into riverbeds and can interact or interrupt...

  • Article
  • Open Access
4 Citations
5,603 Views
64 Pages

Upper Triassic Carbonate Records: Insights from the Most Complete Panthalassan Platform (Lime Peak, Yukon, Canada)

  • Nicolò Del Piero,
  • Sylvain Rigaud,
  • Camille Peybernes,
  • Marie-Beatrice Forel,
  • Nicholas Farley and
  • Rossana Martini

Upper Triassic carbonate platforms from the Panthalassa Ocean remain less-understood and less-studied than their Tethyan equivalents. This imbalance is largely due to the poorer preservation state of Panthalassan carbonate rock successions in terms o...

  • Article
  • Open Access
9 Citations
4,615 Views
15 Pages

Soil contamination in areas close to unplanned dumpsites represents an increasing risk to the ecosystems and human health. This study aimed to evaluate soil quality in the area surrounding the Hulene-B waste dump, Maputo, Mozambique, and to estimate...

  • Article
  • Open Access
3 Citations
3,571 Views
15 Pages

Understanding landslide kinematics, their characteristics, and contributing factors is crucial for decision-making regarding mitigation strategies for infrastructure projects. These characteristics depend on the geomorphology of the area, climate, an...

  • Article
  • Open Access
3 Citations
2,684 Views
15 Pages

Aftershocks, background earthquakes, and their spatiotemporal parameters have been studied for decades for the purpose of hazard assessment and forecasting. Methods for determining these parameters or seismic attributes are becoming increasingly soph...

  • Article
  • Open Access
1 Citations
2,927 Views
29 Pages

A column experiment at a laboratory level was carried out to assess the effect of the application of nanotechnology in the decontamination of soils and alluvial deposits with high levels of potentially toxic elements (PTEs). A suspension of zero-vale...

  • Article
  • Open Access
3 Citations
11,628 Views
18 Pages

In spite of the significant number of studies focused on the 1755 earthquake and tsunami, there are still many unknowns regarding this event in Lisbon, Portugal. Thus, in this research the authors compiled historical documents, including some that ha...

  • Review
  • Open Access
10 Citations
6,246 Views
13 Pages

Granite is a distinctive constituent part of the continental crust on Earth, the formation and evolution of which have long been hot research topics. In this paper, we reviewed the partial melting processes of crustal rocks without or with fluid assi...

  • Article
  • Open Access
3 Citations
3,707 Views
19 Pages

A bi-directional static load test (BDSLT) is one of the most effective methods for accurately estimating pile bearing capacity, in which the test pile is divided into two portions by activating the single-loading device welded along the pile shaft. B...

  • Article
  • Open Access
6 Citations
3,800 Views
21 Pages

Collection, Standardization and Attribution of Robust Disaster Event Information—A Demonstrator of a National Event-Based Loss and Damage Database in Austria

  • Matthias Themessl,
  • Katharina Enigl,
  • Stefan Reisenhofer,
  • Judith Köberl,
  • Dominik Kortschak,
  • Steffen Reichel,
  • Marc Ostermann,
  • Stefan Kienberger,
  • Dirk Tiede and
  • Maria Balas
  • + 6 authors

Loss and damage databases are essential tools within the disaster risk management cycle for making informed decisions. However, even in data-rich countries such as Austria, no consistent and curated multi-hazard database is available. Based on the re...

  • Review
  • Open Access
4 Citations
4,638 Views
34 Pages

Antarctic sea ice is an essential component of the global climate system. Reconstructions of Antarctic sea ice from marine sediment cores are a vital resource to improve the representation of Antarctic sea ice in climate models and to better understa...

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Geosciences - ISSN 2076-3263