Par l'utilisation de méthodes géomorphologiques, on a découvert la preuve d'une activation néotectonique de certaines structures locales (failles de chevauchement, failles normales et plissements) dans l'archipel du Spitsberg.
Dique ; Falla ; Geomorfología ; Geomorfología estructural ; Italia ; Mapa geomorfológico ; Sicilia ; Tectónica ; Volcán
on a schematic geological map where the main sedimentary and volcanic units have been reported. Morphotectonic analysis shows that Mt. Etna volcano exhibits active extensional features represented by normal faults and eruptive fissures which are related
in the frame of the southern Apulia foredeep closure. In the study area, such activity is documented by two E-W trending normal faults which, during Zanclean and at least the earliest Gelasian, controlled the Pliocene horst-graben system of the Apricena-Poggio
Quantifying the slip rates, spatial distribution and evolution of active normal faults from geomorphic analysis : field examples from an oblique-extensional graben, southern Turkey
Cuaternario ; Distribución espacial ; Falla ; Foso tectónico ; Neotectónica ; Plioceno ; Red de drenaje ; Riesgo sísmico ; Sismicidad ; Tectónica de placas
The Isparta Angle (IA) is included in the southwest Anatolian tensional neotectonic domain and characterized by a series of grabens and horsts bounded by active normal faults of dissimilar length and trend. The evolutionary history of the graben
and shaping the northern section of the IA are the margin-boundary normal faults. They occur in numerous single and several fault zones displaying a basin ward facing step-like land shape. Most of fault segments, particularly the master faults, are active
The Umbria-Marche 1997 seismic sequence occurred in a region of the Northern Apennines (Italy) that has been under extension since the Late Pliocene. This sequence activated normal faults and high-angle faults inherited from an earlier contractional
normal and strike-slip stress regimes explain almost all the observed relationships between fault strike and fault slip direction, thus suggesting that fault slip is fundamentally controlled by the active stress field, with a secondary influence
China ; Cuaternario ; Datación ; Delta ; Estratigrafía ; Falla ; Guangdong ; Pleistoceno superior ; Subsidencia ; Tectónica
of basement fault-blocks after the formation of layer A. A relatively rapid uplifting of the Xilingang hill after formation of layer B is highlighted. The 3 layers are all cut off by a NNE trending normal fault with a fault-throw of 53cm, suggesting
Seismic data have been collected along 4 dense wide-aperture profiles, that run SW-NE for a total length of ~6 km in the hangingwall of the Paganica-S. Demetrio Fault, source of the 6th April 2009 L’Aquila normal-faulting earthquake. Seismic
Field surveys performed by different research groups after the April 6, 2009 L’Aquila earthquake identified the occurrence of surface faulting along the Paganica normal fault, the causative seismogenic source of the event.The AA. integrated
(Piemonte Zone) crop out, this integrated approach allowed distinguishing an E-W-striking major dextral transcurrent/transpressive fault system. The subsequent normal reactivation of the E-W faults may be related to the extensional regime that affected
Andes ; Argentina ; Cuenca sedimentaria ; Estructura sedimentaria ; Falla ; Geología regional ; Mioceno ; Sedimentario ; Tectónica
. This contraction resulted in antiforms of sedimentary beds and the crystalline basement, and large basement-cored antiforms were formed. The Miocene sedimentation took place over an irregular floor with offsets delimited by normal faults. The most significant step
switched to a dip-slip normal faulting character from Middle Pleistocene onwards and that the region was under the effect of a NE–SW directional extensional regime. In addition, the opening rate was attempted to be determined using the roll-over anticline
Acción antrópica ; Corriente de agua ; Falla ; Geoarqueología ; Geometria hidráulica ; Grecia ; Halocinesis ; Litoral ; Llanura aluvial ; Movimiento vertical ; Neotectónica ; Paleogeografía ; Peloponeso ; Perfil longitudinal ; Red de drenaje
The lower alluvial Pineios River has reacted to major geological controls, surface deformation and uplift movements caused by the activity of the recently mapped Pineios normal fault zone and salt tectonics in Kyllini peninsula resulting
Asia ; Erosión ; Falla ; Geomorfogénesis ; Meseta ; Montaña ; Penillanura ; Relleno sedimentario ; Tectónica ; Tibet
blocks of active normal faults. These relations demonstrate that the bedrock peneplain is the most stable geomorphic element present in southern Tibet.
Approximation of a normal distribution by a three-parameter log normal distribution
Distribution log-normale ; Distribution normale ; Estimation ; Généralités sur la géographie ; Statistique
Une méthode est donnée lorsqu'on a à traiter des populations mélangées, normales et lognormales. On peut utiliser des distributions lognormales à 3paramètres pour les populations ayant une distribution normale. Cela permet essentiellement la
Proxdays : an algorithm for generating realistic normal sequences of daily rainfall from monthly climate normals
The A. describes a computer based synthesizer of daily rainfall patterns designed to provide input normal climate data to models of crop growth and soil moisture which operate on a daily time step. - (JPB)