2026-09-04
17:12 |
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45 p, 16.0 MB |
Ontogenetic variation in an ornithopod femur from the Upper Cretaceous of Argentina :
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Rodríguez-Borges, Airam (Universidad de Zaragoza) ;
González-Dionis, Javier (Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET)) ;
Filippi, Leonardo S. (Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET)) ;
Cerda, Ignacio A. (Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET)) ;
Lee, Yuong-Nam (Seoul National University) ;
Cruzado-Caballero, Penélope (Universidad de La Laguna. Departamento de Biología Animal, Edafología y Geología)
The paleobiodiversity of Gondwanan ornithopods and the number of indeterminate remains attributed to this clade have increased markedly in recent decades, especially in South America. The femur is one of the most frequently preserved postcranial elements in the South American fossil record and often retains diagnostic features that have been used to establish new species. [...]
2026 -  10.1344/GeologicaActa2026.24.17
Geologica acta, Vol. 24 (2026) , p. 1-28 (New contributions to the paleontology of Iberian Mesozoic tetrapods)
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2026-09-04
17:12 |
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22 p, 6.1 MB |
Reactivation of Variscan subduction-modified mantle during Middle Triassic rifting : insights from andesitic pyroclastics of northern Adriatic passive margin (Mt. Žumberak, NW Croatia)
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Slovenec, Damir (Croatian Geological Survey) ;
Šegvić, Branimir (Texas Tech University. Department of Geosciences) ;
Grgasović, Tonći (Croatian Geological Survey) ;
Halamić, Josip (Croatian Geological Survey)
This study presents mineralogical, petrological, and geochemical data on Middle Triassic (Late Anisian; Illyrian) pyroclastic rocks interstratified with siliciclastic and carbonate sediments within the volcano-sedimentary succession of Mt. [...]
2026 - 10.1344/GeologicaActa2026.24.18
Geologica acta, Vol. 24 (2026) , p. 1-20. I-II (Articles)
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2026-09-04
17:12 |
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33 p, 5.9 MB |
Reactive transport modeling of metal removal by hydrozincite precipitation in an abandoned Pb-Zn mine
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Soler, Josep M. (Institut de Diagnóstic Ambiental i Estudis de l'aigua (IDAEA-CSIC)) ;
Cama, Jordi (Institut de Diagnóstic Ambiental i Estudis de l'aigua (IDAEA-CSIC)) ;
Gianetta, Max G. (Institut de Diagnóstic Ambiental i Estudis de l'aigua (IDAEA-CSIC)) ;
Benaiges-Fernandez, Robert (Institut de Diagnóstic Ambiental i Estudis de l'aigua (IDAEA-CSIC))
In this study, an underground zinc mine in the Aran Valley (Catalonia) was chosen as a field site to showcase the processes that affect metal mobility in the environment. Most of the galleries are flooded, and the lowermost gallery exhibits a continuous output of water, whose composition reflects a flow path through the mine and overlying host rock. [...]
2026 - 10.1344/GeologicaActa2026.24.21
Geologica acta, Vol. 24 (2026) , p. 1-X (Articles)
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2026-09-04
17:12 |
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15 p, 11.7 MB |
Prototaxoxylon in the Triassic (Norian-Rhaetian) Petrified Forest in the Paraná Basin, Brazil
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Siegloch, Anelise Marta (Universidade Federal do Rio Grande do Sul) ;
Guerra-Sommer, Margot (Universidade Federal do Rio Grande do Sul) ;
Battista, Francesco (Universidade Federal do Rio Grande do Sul) ;
Triboli Vieira, Daniel (Universidade Federal do Rio Grande do Sul) ;
Da Rosa, Atila Augusto Stock (Universidade Federal de Santa Maria) ;
Schultz, Cesar (Universidade Federal do Rio Grande do Sul) ;
Pastro Bardola, Tatiana (Universidade Federal do Rio Grande do Sul) ;
Podgorski Anklan, Laura (Universidade Federal do Rio Grande do Sul)
The Petrified Forest of the Mata Sequence (topmost of Santa Maria Supersequence) in the southernmost Paraná Basin in Brazil is an important paleobotanical site in South America and part of Brazilian scientific and cultural heritage. [...]
2026 - 10.1344/GeologicaActa2026.24.16
Geologica acta, Vol. 24 (2026) (Articles)
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2026-09-04
17:12 |
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18 p, 1.2 MB |
Geochemistry of the dolerite dyke swarm of the Alpujárride Complex (Betic Cordilleras, Spain) : evidence on subductionrelated Miocene magmatism emplaced by back-arc hyperextension
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Cuevas, Julia (Universidad del Pais Vasco. Departamento de Geología, Facultad de Ciencia y Tecnología) ;
Tubía, José María (Universidad del Pais Vasco. Departamento de Geología, Facultad de Ciencia y Tecnología) ;
Gil-Ibarguchi, José Ignacio (Universidad del Pais Vasco. Departamento de Geología, Facultad de Ciencia y Tecnología) ;
Puelles, Pablo (Departamento de Geología, Facultad de Ciencia y Tecnología, Universidad del País Vasco) ;
Esteban, José Julián (Departamento de Geología, Facultad de Ciencia y Tecnología, Universidad del País Vasco)
The dolerite dykes intruding the Alpujárride Complex (Betic Cordilleras, Spain) provide key insights into the geodynamic processes associated with the Alpine hyperextension and exhumation of the Ronda peridotites. [...]
2026 - 10.1344/GeologicaActa2026.24.19
Geologica acta, Vol. 24 (2026) , p. 1-II (Articles)
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2026-09-04
17:12 |
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2026-07-25
05:46 |
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12 p, 1.1 MB |
Reassessment of the entelodontid (Mammalia, Artiodactyla) remains from the Rupelian site of Rocallaura (Ebro Basin, Iberian Peninsula)
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Vidal-Martí, Albert (Institut Català de Paleontologia Miquel Crusafont) ;
Gamarra, Jesús (Institut Català de Paleontologia Miquel Crusafont) ;
Vega-Pagán, Kelly Ann (Institut Català de Paleontologia Miquel Crusafont) ;
Luján, Àngel H. (Institut Català de Paleontologia Miquel Crusafont)
Although the Oligocene artiodactyl assemblages of European basins are reasonably well-known, taxonomic studies devoted to entelodontids (family Entelodontidae) have lagged in recent decades. Entelodontids are a group of medium-sized to large artiodactyls that inhabited Eurasia (middle Eocene to late Oligocene) and North America (late Eocene to Early Miocene). [...]
2026 - 10.1344/GeologicaActa2026.24.14
Geologica acta, Vol. 24 (2026) , p. 1-12 (Tribute to Esteve Cardellach)
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2026-07-25
05:46 |
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23 p, 10.8 MB |
Laschamp and Greenland-Norwegian Sea excursions recorded in NE Iberia lava flows : late quaternary geomagnetic data from La Garrotxa Volcanic Field
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Vernet Tarragó, Eva (Universidad de Burgos. Departamento de Física) ;
Calvo-Rathert, Manuel (Universidad de Burgos. Departamento de Física) ;
Beamud, Elisabet (Laboratorio de Paleomagnetismo, CCiTUB-Geo3BCN CSIC) ;
Bógalo, María-Felicidad (Universidad de Burgos. Departamento de Física) ;
Carrancho, Ángel (Universidad de Burgos. Departamento de Historia, Geografía y Comunicación) ;
Planagumà, Llorenç (Geonat, Geology & Environment) ;
Martí, Joan (Instituto de Diagnóstico Ambiental y Estudios Del Agua)
We present new full vector geomagnetic data from Late Pleistocene basaltic lava flows (~134 - 16 ka) from La Garrotxa Volcanic Field (GVF), northeast Iberian Peninsula. This area forms part of the European Cenozoic Rift System and its paleomagnetic record provides an exceptional archive for tracking geomagnetic instabilities during the Late Quaternary in southwestern Europe. [...]
2026 - 10.1344/GeologicaActa2026.24.15
Geologica acta, Vol. 24 (2026) , p. 1-V (Articles)
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2026-07-14
19:12 |
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19 p, 16.9 MB |
Lower Aptian ammonite and planktonic foraminifera integrated biostratigraphy and the age of the OAE1a in the Morella sub-basin, Maestrat Basin (eastern Spain)
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Garcia Artigas, Ruben A. (Agència Catalana de l’Aigua) ;
Moreno Bedmar, Josep Anton (Universidad Nacional Autónoma de México) ;
Gea, Ginés de (Universidad de Jaén) ;
Aguado, Roque (Universidad de Jaén) ;
Bover-Arnal, Telm (Universitat de Barcelona. Departament de Mineralogia, Petrologia i Geologia Aplicada) ;
Company, Miquel (Universidad de Granada) ;
García Penas, Álvaro (Instituto de Geología, Universidad Nacional Autónoma de México, Ciudad Universitaria, Coyoacán, 04510, México, Ciudad de México, Mexico) ;
Salas, Ramon (Universitat de Barcelona. Departament de Mineralogia, Petrologia i Geologia Aplicada)
A correlation between planktonic foraminifera and ammonite biostratigraphic biozonations has for the first time been established for the lower Aptian of the Morella sub-basin (northern Maestrat Basin). [...]
2026 - 10.1344/GeologicaActa2026.24.10
Geologica acta, Vol. 24 (2026) (Carbonate successions from Iberia and the Caribbean - Homage to Ramon Salas)
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2026-07-10
17:12 |
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