Mario Zarroca

Universitat Autònoma de Barcelona

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Rogelio Linares

Universitat Autònoma de Barcelona

Carles Roqué i Pau

University of Girona

Francisco Gutiérrez

Universidad de Zaragoza

Domingo Carbonel

Universidad de Zaragoza

Jesús Guerrero

Universidad de Zaragoza

J. A. P. Rodriguez

Planetary Science Institute

Victor R. Baker

University of Arizona

Jeffrey S. Kargel

Planetary Science Institute

Xavier Comas

Florida Atlantic University

D. C. Berman

Planetary Science Institute

Cooperative Institutions

Planetary Science Institute

Universidad de Zaragoza

Universidad de Cantabria

Universitat Autònoma de Barcelona

University of Arizona

Consejo Superior de Investigaciones Científicas

Ames Research Center

Universidad Politécnica de Cartagena

Centre National de la Recherche Scientifique

United States Geological Survey

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Large landslides associated with a diapiric fold in Canelles Reservoir (Spanish Pyrenees): Detailed geological–geomorphological mapping, trenching and electrical resistivity imaging

Geomorphology (2015)

Francisco Gutiérrez Rogelio Linares Carles Roqué i Pau Mario Zarroca Domingo Carbonel

Rockslide

Electrical Resistivity Tomography

Rockfall

10.1016/j.geomorph.2015.04.016

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Citations (55)

Evidence of an oceanic impact and megatsunami sedimentation in Chryse Planitia, Mars

Scientific Reports (2022)

J. A. P. Rodriguez Darrel Robertson Jeffrey S. Kargel Victor R. Baker D. C. Berman

Abstract In 1976, NASA's Viking 1 Lander (V1L) was the first spacecraft to operate successfully on the Martian surface. The V1L landed near the terminus of an enormous catastrophic flood channel, Maja Valles. However, instead of the expected megaflood record, its cameras imaged a boulder-strewn surface of elusive origin. We identified a 110-km-diameter impact crater (Pohl) ~ 900 km northeast of the landing site, stratigraphically positioned (a) above catastrophic flood-eroded surfaces formed ~ 3.4 Ga during a period of northern plains oceanic inundation and (b) below the younger of two previously hypothesized megatsunami deposits. These stratigraphic relationships suggest that a marine impact likely formed the crater. Our simulated impact-generated megatsunami run-ups closely match the mapped older megatsunami deposit's margins and predict fronts reaching the V1L site. The site's location along a highland-facing lobe aligned to erosional grooves supports a megatsunami origin. Our mapping also shows that Pohl's knobby rim regionally represents a broader history of megatsunami modification involving circum-oceanic glaciation and sedimentary extrusions extending beyond the recorded megatsunami emplacement in Chryse Planitia. Our findings allow that rocks and soil salts at the landing site are of marine origin, inviting the scientific reconsideration of information gathered from the first in-situ measurements on Mars.

Sedimentation

10.1038/s41598-022-18082-2

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Citations (3)

Investigating sinkholes related to a deep-seated interstratal karst in the Disney Wilderness Preserve (Florida) using an array of near-surface geophysical methods.

AGU Fall Meeting Abstracts (2020)

X. Comas Francisco Gutiérrez Mario Zarroca Carles Roqué i Pau Jorge Sevil

Sinkhole

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Static Liquefaction Causes the Flow Failure of a Tailings Dam: A Case Study of El Descargador, Cartagena–La Unión Mining Region, SE Spain (October 1963)

Minerals (2022)

Roberto Rodríguez A. Caparrós Alberto Alcolea Pedro Martínez‐Pagán Marcos A. Martínez-Segura

The aim of this work is to investigate the causes of the El Descargador tailings dam failure, at the mine district Cartagena–La Unión (SE Spain), in October 1963. Dam stability back analyses have been carried out by applying a geotechnical and geophysical approach. The failure occurred in the form of several landslides in five different points along the dam structure. The rise in the pore pressure and the steeped slopes of the tails, scaling up to 40° in some sectors, were the main causal preparatory factors. Here we propose that static liquefaction is the most plausible cause of the tailings dam flow failure. The presence of sand dikes and sand volcanoes with atypical stratigraphic architecture, both in the lagoon and at the surfaces exposed in the landslide areas, as well as the evidence of conspicuous sand fraction on the surface support the occurrence of the liquefaction processes. Major landslides were located near the drainage pipe and the flow directions were controlled by its position. Our results reveal that the liquefaction processes were triggered and aggravated by the poor drainage capability of the tailings dam structure.

Dike

Tailings dam

Debris flow

Dam failure

10.3390/min12121488

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Citations (4)

Soil radon dynamics in the Amer fault zone: An example of very high seasonal variations

Journal of Environmental Radioactivity (2015)

V. Moreno Joan Bach i Plaza L. Font C. Baixeras Mario Zarroca

Radium

Soil gas

Soil test

10.1016/j.jenvrad.2015.10.018

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Citations (39)

Time-lapse resistivity analysis of Quaternary sediments in the Midlands of Ireland

Journal of Applied Geophysics (2012)

Xavier M. Pellicer Mario Zarroca J. Paul Gibson

Electrical Resistivity Tomography

Silt

Lithology

10.1016/j.jappgeo.2012.02.009

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Citations (18)

The Chaotic Terrains of Mercury Reveal a History of Planetary Volatile Retention and Loss in the Innermost Solar System

Scientific Reports (2020)

J. A. P. Rodriguez G. J. Leonard Jeffrey S. Kargel D. L. Domingue D. C. Berman

Abstract Mercury’s images obtained by the 1974 Mariner 10 flybys show extensive cratered landscapes degraded into vast knob fields, known as chaotic terrain (AKA hilly and lineated terrain). For nearly half a century, it was considered that these terrains formed due to catastrophic quakes and ejecta fallout produced by the antipodal Caloris basin impact. Here, we present the terrains’ first geologic examination based on higher spatial resolution MESSENGER (MErcury Surface Space ENvironment GEochemistry and Ranging) imagery and laser altimeter topography. Our surface age determinations indicate that their development persisted until ~1.8 Ga, or ~2 Gyrs after the Caloris basin formed. Furthermore, we identified multiple chaotic terrains with no antipodal impact basins; hence a new geological explanation is needed. Our examination of the Caloris basin’s antipodal chaotic terrain reveals multi-kilometer surface elevation losses and widespread landform retention, indicating an origin due to major, gradual collapse of a volatile-rich layer. Crater interior plains, possibly lavas, share the chaotic terrains’ age, suggesting a development associated with a geothermal disturbance above intrusive magma bodies, which best explains their regionality and the enormity of the apparent volume losses involved in their development. Furthermore, evidence of localized, surficial collapse, might reflect a complementary, and perhaps longer lasting, devolatilization history by solar heating.

Landform

Antipodal point

Planetary science

10.1038/s41598-020-59885-5

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Citations (6)

Aplicación de la tomografía eléctrica de resistividades (ERT) a la investigación de dolinas en el karst evaporítico del Valle del Fluvià (NE de España)

Mario Zarroca Rogelio Linares Carles Roqué i Pau Ivan Fabregat González Francisco Gutiérrez

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Tres años después de la reactivación del argayo de Sebrango (Cantabria)