Search Results - "Matías Reolid"

Stable isotopes on foraminifera and ostracods for interpreting incidence of the Toarcian Oceanic Anoxic Event in Westernmost Tethys: Role of water stagnation and productivity by Reolid, Matías

“…The analysis of δ13C and δ18O from whole rock and the shells of selected foraminifera (Lenticulina and Dentalina) and bairdioid ostracods from Lower Toarcian…”
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δ13C of terrestrial vegetation records Toarcian CO2 and climate gradients by Ruebsam, Wolfgang, Reolid, Matías, Schwark, Lorenz

“…Throughout Earth’s history, variations in atmospheric CO 2 concentration modulated climate. Understanding changes in atmospheric carbon cycle is therefore…”
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Incidence of the early Toarcian global change on Dasycladales (Chlorophyta) and the subsequent recovery: Comparison with end-Triassic Mass Extinction by Bucur, Ioan I., Reolid, Matías

“…The early Toarcian biotic crisis (∼ 183 Ma), characterized in marine environments by abrupt temperature fluctuations, included a hyperthermal event (Jenkyns…”
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Changes in benthic microfossil assemblages before, during and after the early Toarcian biotic crisis in the Portland-Wight Basin (Kerr McGee 97/12-1 well, offshore southern England) by Reolid, Matías, Ainsworth, Nigel Richard

“…The uppermost Pliensbachian (Margaritatus Zone) - upper Toarcian (Pseudoradiosa Zone) sediments (silty and variably calcareous claystones, marlstones, silty…”
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Drivers of benthic extinction during the early Toarcian (Early Jurassic) at the northern Gondwana paleomargin: Implications for paleoceanographic conditions by Ruebsam, Wolfgang, Reolid, Matías, Marok, Abbas, Schwark, Lorenz

“…During the early Toarcian multiple environmental perturbations led to the genesis of the Toarcian Oceanic Anoxic Event (T-OAE), expressed by the widespread…”
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Foraminiferal assemblages, extinctions and appearances associated with the Early Toarcian Oceanic Anoxic Event in the Llanbedr (Mochras Farm) Borehole, Cardigan Bay Basin, United Kingdom by Reolid, Matías, Copestake, Philip, Johnson, Ben

“…The uppermost Pliensbachian-Lower Toarcian sediments recovered from Llanbedr (Mochras Farm) Borehole (North Wales, UK) were deposited in the Cardigan Bay Basin…”
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Textural and genetic relationships between glauconite and celadonite at the nanoscale: two different structural-compositional fields by Nieto, Fernando, Abad, Isabel, Bauluz, Blanca, Reolid, Matías

“…Glauconite and celadonite coexist at the nanometre scale in Early Jurassic submarine volcanic rocks of the Betic Cordillera (southern Spain) as a result of…”
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Geochemical compositional mapping of Lower Jurassic trace fossils: Palaeoenvironmental significance and methodological implications by Reolid, Jesús, Reolid, Matías

“…Analyses of X-ray microfluorescence (XRF) elemental maps of the ichnofossil assemblages from the upper Pliensbachian-lower Toarcian marl-limestone rhythmite of…”
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Microfossil assemblages and geochemistry for interpreting the incidence of the Jenkyns Event (early Toarcian) in the south-eastern Iberian Palaeomargin (External Subbetic, SE Spain) by Reolid, Matías

“…By studying the facies, geochemistry, and microfossil assemblages of the uppermost Pliensbachian and lower Toarcian of the Cueva del Agua section, I was able…”
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Pyritized radiolarians and siliceous sponges from oxygen-restricted deposits (Lower Toarcian, Jurassic) by Reolid, Matías

“…In Lower Toarcian marls and marly limestone deposits from the South Iberia Paleomargin (Fuente Vidriera section, Betic Cordillera, southern Spain), siliceous…”
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Integration of gamma ray spectrometry, magnetic susceptibility and calcareous nannofossils for interpreting environmental perturbations: An example from the Jenkyns Event (lower Toarcian) from South Iberian Palaeomargin (Median Subbetic, SE Spain) by Reolid, Matías, Iwańczuk, Jolanta, Mattioli, Emanuela, Abad, Isabel

“…The Pliensbachian-Toarcian sedimentary rocks of the Median Subbetic (Betic Cordillera, SE Spain) were deposited in the South Iberian Palaeomargin under…”
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Palaeoclimatic Inferences from Clayey-Iron Palaeosols: A Weathering Event Recorded in the Middle–Upper Jurassic Unconformity (South Iberian Palaeomargin, Western Tethys) by Elisa Laita, Isabel Abad, Matías Reolid

“…The study of iron crusts containing iron-coated grains from different sections of the Prebetic (SE Iberia) and the overlying marine sedimentary rocks also…”
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Ecosystem recovery after the Early Jurassic T-OAE in the Châabet El Attaris section of the Tunisian Atlas by Reolid, Matías, Soussi, Mohamed, Ruebsam, Wolfgang, Taher, Ilef Ben Haj, Mattioli, Emanuela, Saidi, Moncef, Schwark, Lorenz

“…The flooding of the Pliensbachian shelf of the North-South Axis of Central Tunisia during the early Toarcian favoured the development of organic-rich facies in…”
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Response of calcareous nannoplankton to the Late Cretaceous Oceanic Anoxic Event 2 at Oued Bahloul (central Tunisia) by Aguado, Roque, Reolid, Matías, Molina, Eustoquio

“…Oued Bahloul is a reference section for the Cenomanian–Turonian that was located on the North African palaeomargin, where Oceanic Anoxic Event 2 (OAE2) is…”
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Chemical fractionation in benthic fauna from Saya de Malha Bank (Mascarene Plateau, western Indian Ocean): Vital and habitat effects by Reolid, Matías, Reolid, Jesús, Betzler, Christian, Lindhorst, Sebastian

“…The temperature, salinity, nutrient availability and dissolved oxygen characterizing ocean water-masses and circulation patterns are essential environmental…”
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Evidence of phyllosilicate alteration processes and clay mineral neoformation promoted by hydrothermal fluids in the Padul Fault area (Betic Cordillera, SE Spain) by Abad, Isabel, Nieto, Fernando, Reolid, Matías, Jiménez-Millán, Juan

“…Geochemical changes and authigenic clays were detected in the fault rocks of the Padul Fault. An enrichment from the protolith to the ultracataclasites in Si,…”
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Upper Pliensbachian-Lower Toarcian methane cold seeps interpreted from geochemical and mineralogical characteristics of celestine concretions (South Iberian palaeo-margin) by Reolid, Matías, Abad, Isabel, Benito, María Isabel

“…Abundant sulfate mineralizations are recorded in the Upper Pliensbachian-Lower Toarcian marly-limestones and marls of La Cerradura section (Betic Cordillera,…”
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Albian south-western Europe terrestrial biogeography as suggested by fossil wood record by Philippe, Marc, Guiomar, Myette, Bert, Didier, Brochier, Jacques-Léopold, Reolid, Matías, Thévenard, Frédéric

“…After the ecological discontinuity of the Aptian/Albian boundary, new biocoenoses were established. In the continental domain, ecosystems in which angiosperms…”
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Environmental instability during the latest Paleocene at Zumaia (Basque-Cantabric Basin): The bellwether of the Paleocene-Eocene Thermal Maximum by Alegret, Laia, Reolid, Matías, Vega Pérez, Manuel

“…The Paleocene-Eocene transition is well represented in the bathyal Zumaia section (Basque-Cantabric Basin, Northern Spain), where numerous studies have…”
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The Middle-Upper Jurassic unconformity in the South Iberian Palaeomargin (Western Tethys): a history of carbonate platform fragmentation, emersion and subsequent drowning by Reolid, Matías, Abad, Isabel

“…A wide diversity of processes occurred during the fragmentation of the shallow carbonate platform of the Middle Jurassic in the South Iberian Palaeomargin. A…”
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