Dinàmica de la Terra i de l'Oceà: Envíos recientes
Mostrando ítems 161-180 de 1037
Symbiosis between Cretaceous dinosaurs and feather-feeding beetles
Extant terrestrial vertebrates, including birds, have a panoply of symbiotic relationships with many insects and arachnids, such as parasitism or mutualism. Yet, identifying arthropod-vertebrate symbioses in the fossil ...
The transition from thick-skinned to thin-skinned tectonics in the Basque-Cantabrian Pyrenees: the Burgalesa Platform and surrondings
Interpretation of seismic data in the margins of the Burgalesa Platform in the Basque-Cantabrian Pyrenees has allowed proposition of a new structural model that combines different modes of deformation during oblique tectonic ...
Pisolitos ferruginosos en el Mioceno inferior-medio de Mallorca.
El registro sedimentario Burdigaliense-Langhiense de Mallorca refleja el relleno de pequeños surcos de antepaís que se generaron por subsidencia flexural frente al orógeno bético. Este registro sinorogénico incluye una ...
Refining seismic parameters in low seismicity areas by 3D trenching: The Alhama de Murcia fault, SE Iberia.
Three-dimensional paleoseismology in strike-slip faults with slip rates less than 1 mm per year involves a great methodological challenge. We adapted 3D trenching to track buried channels offset by the Alhama de Murcia ...
Space-for-time substitution and the evolution of a submarine canyon-channel system in a passive progradational margin.
Space-for-time substitution is a concept that has been widely applied, but not thoroughly tested, in some fields of geomorphology. The objective of this study is to test whether the concept of space-for-time substitution ...
Estratigrafía y registro fósil
Aquellos observadores perspicaces de la edad antigua y media, anteriores al nacimiento de la ciencia moderna, que se dieron cuenta del verdadero carácter de los fósiles marinos, por esta misma constatación superaron el ...
Plastic Accumulation in the Mediterranean Sea
Concentrations of floating plastic were measured throughout the Mediterranean Sea to assess whether this basin can be regarded as a great accumulation region of plastic debris. We found that the average density of plastic ...
Visual faunistic exploration of geomorphological human-impacted deep-sea areas of the north-western Mediterranean Sea
This study reports the composition and distribution of demersal megafauna from various north-western Mediterranean submarine areas such as canyons, seamounts and landslides between 60-800 m depth, based on remotely operated ...
Modeled Buoyancy of eggs and larvae of the deep-sea shrimp Aristeus antennatus (Crustacea: Decapoda) in the northwestern Mediterranean Sea
Information on the buoyancy of eggs and larvae from deep-sea species is rare but necessary for 30 explaining the position of non-swimming larvae in the water column. Due to embryonic 31 morphology and ecology diversities, ...
Where did the herds go? Combining zooarchaeological and isotopic data to examine animal management in ancient Thessaly (Greece)
Historians and archaeologists have been debating the scale of animal husbandry in ancient Greece for decades. This study contributes to the debate by examining Classical and Hellenistic faunal assemblages from Magoula ...
New beetles (Insecta: Coleoptera) from the Lower Cretaceous of Spain.
Three beetles remains from the Lower Cretaceous lithographic limestones of Spain are described. We classified them into two new genus and three new species. One specimen named Tetraphalerus brevicapitisn.sp. was placed in ...
Crassostrea patagonica (d'Orbigny, 1842) shell concentrations from the late Miocene Rio Negro province, NE Patagonia, Argentina
The Río Negro Formation (late Miocene-early Pliocene) mainly consists of continental deposits, but it contains a middle member of marine origin. It represents a transgressive-regressive sequence that can be seen at several ...
Salt Tectonics of the Offshore Tarfaya Basin, NW Africa
Salt tectonics has a critical role in basin analysis. However, research integrating a salt tectonics perspective is scarce in regional studies along the NW Africa Atlantic passive margin. This study focuses on regional ...
Paleohydrological significance of trace fossil distribution in Oligocene fluvial-fan-to-lacustrine systems of the Ebro Basin (Spain)
The ichnological study of fluvial fan and lacustrine Oligocene deposits in the NE Ebro Basin has allowed the recognition of three ichnoassemblages having a strong correlation with depositional facies associations. Lacustrine ...
Archaeoseismologic Analysis of a Late Bronze Age Site on the Alhama de Murcia Fault, SE Spain
An archaeoseismological study of Tira del Lienzo (Totana, Spain) was undertaken. The site belongs to the Argar archaeological group (2200 1550 cal. B.C.; Bronze Age). It is located on the trace of the reverse left-lateral ...
Magnetobiochronology of lower Pliocene marine sediments from the lower Guadalquivir Basin: insights into the tectonic evolution of the Strait of Gibraltar area
The Gibraltar Arc is a complex tectonic region, and several competing models have been proposed to explain its evolution. We studied the sedimentary fill of the Guadalquivir Basin to identify tectonic processes that were ...
Efectes de la pesca d'arrossegament en els sediments dels canyons submarins catalans.
Bottom trawling is a nonselective commercial fishing technique whereby heavy nets and gear are pulled along the seafloor, modifying the physical properties of seafloor sediments and altering natural sediment fluxes. Most ...
Assessing the impact of crustal architecture and along-strike rifting propagation on salt deposition and tectonics: Insights from the Moroccan Atlantic margin
The salt-bearing conjugate rifted margins of Morocco and Nova Scotia contain one of the oldest stratigraphic records documenting the opening history of the Central Atlantic Ocean, starting in Late Triassic times. Although ...
Historical view and challenges of the Research Plans for Catalonia
In order to develop its own active R&D policy, the Government of the Generalitat de Catalunya elaborated in 1993 the I Research Plan for Catalonia. Science Globalization, standardisation and internationalization steer ...
Approach to the Lower Pliocene marine-continental correlation from southern Spain. The micrommamal site of Alhaurín el Grande-1 (Málaga Basin, Betic Cordillera, Spain)
A new micromammal site at Alhaurín el Grande (Málaga, southern Spain) located above early Pliocene marine deposits allows an approach to the marine-continental correlation for this age. The early Pliocene marine filling ...
