Persona: Lario Gómez, Javier
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Lario Gómez
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Publicación The importance of coastal geomorphological setting as a controlling factor on microtextural signatures of the 2010 Maule (Chile) tsunami deposit(Universidad Politécnica de Barcelona, 2019) Costa, P.J. M.; Rasteiro da Silva, D.; Figueirinhas, Leonor; Lario Gómez, JavierQuartz grains collected from Arauco and Mataquito (central Chile) after the 2010 Maule tsunami presented an overwhelming dominance of dissolution textures. The analysis of superficial imprints proved that some grains were mechanically impacted before deposition. However, the percentage of grains with fresh surfaces and percussion marks was significantly lower than average values from other tsunami deposits elsewhere in the world. In this work, we discuss the reasons for such results in the context of the geomorphological setting of the areas analyzed and its influence on the microtextural signatures observed. The data presented in this study evidences a geographic dependence in the type of microtextures in the areas analyzed. For example, in Arauco the abundance of dissolution textures decreases rapidly towards the center of the embayment and increases towards the rocky headlands of its westernmost sector. By contrast, an increase of mechanical marks (e.g. fresh surfaces) is observed in the central region of the Arauco’s embayment. Similarly, in Mataquito, dissolution features are more abundant in the headlands or small capes, while there is a higher presence of mechanical marks in sandy embayments. The results of this study demonstrate the importance of the geomorphological context as a controlling factor in the intensity of mechanical imprints on the surface of quartz grains transported by tsunamis and deposited in the inner shelf and coastal areas. Therefore, our results suggest that without a detailed geomorphological contextualization microtextural discrimination can lead to misleading interpretations. Hence, there is a need for more microtextural analysis on tsunami deposits in order to assess the variability in the geographic distribution and intensity of microtextures imprinted on the surface of quartz grains deposited during a tsunami event.Publicación Atmospheric CO2 increasing in deep caves related to micro seismicity(Sociedad Geológica de España, 2016-09-12) Pérez López, Raúl; Patyniak, Magda; Sánchez Moral, Sergio; Bañón, E.; Martínez Díaz, J. J.; Cuezva Robleño, Soledad; Martín Velázquez, S.; Silva, Pablo Gabriel; Giner Robles, Jorge Luis; Rodríguez Pascua, Miguel Ángel; Lario Gómez, JavierSe han registrado variaciones del contenido de CO2 en la Sima de Benis (Cieza, Murcia, SE de España), a una profundidad de 280m en la Sala de las Nubes durante los primeros 6 meses de 2015. El objetivo es analizar las variaciones de CO2 con la micro-sismicidad en la zona. Para ello, se ha colocado un registrador de dióxido de carbono de tipo SENSAIR cuya frecuencia de muestreo es de 40 minutos. Se ha correlacionado los incrementos diarios en este gas con terremotos, obteniendo aumentos en 24h de hasta 300 ppm sobre un valor total cercano a 2000 ppm, en relación a terremotos localizados a menos de 15 km de la boca de la cavidad, cuya magnitud estimó el Instituto Geográfico Nacional en M3. Esta cavidad, que afecta a materiales carbonatados del Prebético Externo, se desarrolla a partir de una falla con evidencias de paleoterremotos durante el Pleistoceno Superior. Independientemente de su capacidad sismogénica, los datos muestran un aumento en la difusión y movilidad del CO2 al tránsito de ondas sísmicas.Publicación Positive correlation between CO2 daily peaks and micro-earthquakes occurrence in deep fault-caves: an empirical model(Istituto Nazionale di Geofisica e Vulcanologia, 2015) Pérez López, Raúl; Bañón, E.; López Gutiérrez, J.; Rodríguez Pascua, Miguel Ángel; Martín Velázquez, S.; Giner Robles, Jorge Luis; Silva, Pablo G.; Moral., B. del; Pueyo Morer, E. L.; Lario Gómez, JavierThe south-eastern part of Spain is determined by different active faults affecting limestone terrains. These terrains have been affected by endokarstic processes. The Benis Cave is the deepest explored cave in the region and it was related to an active fault. Evidence of recent paleoseismic activity and the peculiar topography of the cave, encouraged us to monitor the daily CO2 content in the air composition at depth (-280m), and for a time period of four months. Our results show a preliminary positive correlation between micro-seismic activity in the surroundings (up to 60 km away), and the CO2 concentration (daily increasing of 40ppm for the closest microearthquakes). Moreover, there is an empirical relationship between the daily increment value and the distance to the epicentre. Therefore, we propose an increase in the CO2 concentration into the air karst related to the microseismic activity. Despite this preliminary worthy results, more data are needed to establish an accurate model for earthquake forecasting.Publicación Geoarchaeological study of the Sidrón cave (Piloña, Asturias)(Instituto Nacional Geológico y Minero. Revista de Ciencias de la Tierra, 2018-03) Cañaveras, Juan Carlos; Sánchez Moral, Sergio; Cuezva Robleño, Soledad; Fernández Cortés, Ángel; Muñoz Cervera, María Concepción; Silva, Pablo Gabriel; Santos Delgado, Gabriel; Duarte Matías, E.; Santamaría, David; Rasilla, Marco de la; Lario Gómez, JavierEl relleno sedimentario que alberga el registro arqueológico y antropológico de la Galería del Osario (cueva de El Sidrón) presenta una alta complejidad, tanto en los tipos de sedimentos como en su distribución espacial en la cavidad. Los principales factores que rigen esta complejidad son la naturaleza episódica y altamente energética de gran parte de las unidades litoestratigráficas reconocidas y la irregular geometría del propio conducto, que compartimenta significativamente las áreas de deposición. A modo de resumen puede indicarse que en la Galería del Osario quedan representados todos los tipos de materiales detríticos típicos de depósitos alóctonos en ambiente kárstico; desde materiales bien seleccionados de granulometría fina representativos de facies de encharcamiento (arcillas de la unidad O) o de desbordamiento (Unidad IV), a depósitos groseros mal seleccionados correspondientes a coladas de barro y detritos en masa (Unidad II y base de unidad III), pasando por típicas facies fluvio-kársticas o de canal compuestas por materiales arenosos con laminaciones y estructuras de flujo (unidades I y II). Los restos óseos se concentran en la unidad III. El área fuente se sitúa en cotas superiores a la Galería del Osario, es decir, en los niveles intermedio o superior del sistema kárstico, y el depósito o entrada de material óseo a la Galería del Osario se activaría en episodios de alta energía relacionado con eventos de inundación y/o tormenta.Publicación Tectonic and morphosedimentary features of the 2010 Chile earthquake and tsunami in the Arauco Gulf and Mataquito River (Central Chile)(Elsevier, 2016-05-23) Zazo Cardeña, Caridad; Goy Goy, José Luis; Lario Gómez, JavierEffects of the 2010 Chilean earthquake and tsunami were evaluated at coastal sites between two zones of different coseismic deformations. Land deformation, run-up, inundation extent and deposit extent and thickness were measured in the field, providing insights into the processes and morphological changes associated with tsunami inundation and backwash. Three to five waves, of up to 10 m height, deposited several related layers along the coast, the thickness of these sandy deposits does not exceed 80 cm, and is generally less than 30 cm. Coseismic deformation measured by means of bio- and geomorphic markers agrees well both with model deformation and measured GPS. There is no relationship between the run-up height and the trend of coseismic deformation (uplift or subsidence), mainly because the effects of the tsunami were influenced locally by offshore bathymetry and coastal morphology.Publicación Paleoseismology, Quaternary slip-rate and heat flow of the Benis Fault (SE of Spain)(Istituto Nazionale di Geofisica e Vulcanologia, 2015) Pérez López, Raúl; Martín Velázquez, S.; López Gutiérrez, J.; Silva, Pablo Gabriel; Rodríguez Pascua, Miguel Ángel ; Giner Robles, Jorge Luis; Lario Gómez, JavierWe have carried out a paleoseismic analysis of the Benis Fault, located at the southeast part of Spain. We have estimated the last earthquake size-magnitude and time, from evidence of celling collapse and displaced broken carbonate blocks (M6 and 65 ± 18 ka BP). Our analysis suggests that the tectonic slip-rate of the Benis Fault is lesser than 0.01 mm/yr. Additionally we have measured the deep thermal profile of the Benis Cave (-350 m of vertical development, Cieza, SE of Spain), from single rock point temperature measurements in different field campaigns and for a period of 2 years. The temperature increases with depth, being in consequence a reverse thermal profile in comparison with normal gradients in deep caves. Furthermore, we have estimated the Vertical Geothermal Gradient with a value of 1.85ºC/100 m for the deepest zone (-150-290 m). Finally, we have calculated the heat flux of 0,46 mWm2.Publicación Micromorphological Study of Site Formation Processes at El Sidrón Cave (Asturias, Northern Spain): Encrustations over Neanderthal Bones(MDPI, 2021) Cañaveras, Juan Carlos; Sánchez Moral, Sergio; Duarte Matías, E.; Santos Delgado, Gabriel; Silva, Pablo Gabriel; Cuezva Robleño, Soledad; Fernández Cortés, Ángel; Muñoz Cervera, María Concepción; Rasilla, Marco de la; Lario Gómez, JavierEl Sidrón Cave is an archaeological and anthropological reference site of the Neanderthal world. It shows singular activity related to cannibalisation, and all existing processes are relevant to explain the specific behaviour of the concerned individuals. This paper presents geoarchaeological data, primarily based on mineralogical and petrographic techniques, from an investigation of the nature of the encrustations or hard coatings that affect a large part of the Neanderthal bone remains and their relationship with the depositional and post-depositional processes at the archaeological site. Crusts and patina were found to be numerous and diverse, mainly composed of calcite and siliciclastic grains, with different proportions and textures. The analysis indicated different origins and scenarios from their initial post-mortem accumulation to the final deposit recovered during the archaeological work. The presence of micromorphological features, such as clotted-peloidal micrite, needle-fibre calcite (NFC) aggregates, clay coatings, iron–manganese impregnation, and/or adhered aeolian dust may indicate that a significant proportion of the remains were affected by subaerial conditions in a relatively short period of time in a shelter, cave entrance, or shallower level of the karstic system, prior to their accumulation in the Ossuary Gallery.Publicación Los cenotes y el geoturismo: una atracción geológica mundial(Universidad Nacional Autónoma de México, 2021) Carcavilla, Luis; Lario Gómez, JavierLa relevancia y, sobre todo, el valor estético y escénico de determinados elementos del patrimonio geológico puede convertirlos en recursos turísticos lo suficientemente importantes como para transformarse en uno de los principales atractivos de un determinado entorno. Por ello, en los últimos años ha ido tomando forma el concepto de geoturismo, entendido como viajar con objeto de experimentar, aprender y disfrutar el patrimonio de la Tierra (Hose, 2000), de manera que permita al visitante conocer y disfrutar del patrimonio geológico, así como fomentar y estimular en él actitudes favorables para su conservación.Publicación Aportaciones científicas sobre geología del Cuaternario(2024) Lario Gómez, JavierPublicación An extreme wave event in Timanfaya National Park: Possible first geological evidence of the 1755 Lisbon tsunami in Lanzarote, Canary Islands(Wiley, 2024-10) Galindo Jimenez, Inés; Romero, Carmen; Martín-González, Esther; Sanchez, Nieves; Vegas, Juana; Lario Gómez, Javier; https://orcid.org/0000-0002-2545-5234; https://orcid.org/0000-0002-9125-2275; https://orcid.org/0000-0001-5659-2197; https://orcid.org/0000-0001-9239-5254; https://orcid.org/0000-0001-9137-0020The identification of extreme wave events' deposits is of the main importance in the contexts of global warming and coastal geohazards. Specifically, improving the knowledge of this phenomenon is extremely relevant for high populated volcanic oceanic islands. In this paper, we analyse two extreme wave event deposits located on a coastal platform formed by lavas from the 1730–1736 Timanfaya eruption in Lanzarote Island (Spain). The first one consists of a boulder ridge parallel to the coast of approximately 750 m in length and 7 m asl in elevation. These are accumulations of non-cemented large boulders and sands that extend about 150 m inland from the intertidal zone. The boulders are of basaltic composition, heterometric, sub-rounded to angular, and they reach sizes up to 3 m of major axis. They are imbricated both inland and seaward, indicating a strong inundation and backwash. The second deposit is a small outcrop of boulders of equal composition and sizes up to 1 m of major axis, reaching an elevation up to 6 m asl, and has been correlated with the former deposit. Here, the boulders were also deposited on the Timanfaya lavas and later covered by lava flows extruded during the 1824 eruption. Therefore, both deposits could be related with a chronologically well-contrasted event, between 1736 and 1824. The origin of these deposits could be interpreted as an extreme storm or a tsunami. There are no historical records of extreme storms in the Canary Islands for this period, but there is documentary evidence of the tsunamis of 1761 and 1755. Moreover, for the latter, there is documentation that indicates its impact on coastal infrastructures in the Canary Islands, including the western slope of Lanzarote, and therefore, we propose these deposits as the first sedimentary evidence of the 1755 tsunami in the Canary Islands.