نتایج جستجو برای: mediterranean tethys
تعداد نتایج: 39206 فیلتر نتایج به سال:
Careful resource monitoring is necessary to understand usage patterns and set conservation goals in an institutional setting. Sensor systems provide data to measure consumption and evaluate the effectiveness of active interventions. However, deploying sensing systems can be difficult when infrastructure support is limited. This paper describes the process of designing Tethys, a wireless water f...
In this research, biostratigraphy and paleo-ecological reconstruction of the Qom Formation deposits in Bijegan village, northeast ofDelijan, are discussed. The studied section is situated in the western margin of the Urumieh-Dokhtar magmatic arc (the intra-arc basin).The Qom Formation deposits at the studied area are Rupelian-Chattian in age. Larger benthic foraminifers are used for biostratigr...
Ophiolites of the Zagros orogenic belt are part of the Tethys ophiolites, because of their geographical locations and link the Middle East ophiolites and other Asian ophiolites (e.g. Pakistani and Tibetan) to the Mediterranean ophiolites (e.g. Troodos , Greek and East European). The nature of the Harsin- Sahneh ophiolite (Kermanshah) traditionally identified as one of the Mesozoic southern bran...
in this research, biostratigraphy and paleo-ecological reconstruction of the qom formation deposits in bijegan village, northeast ofdelijan, are discussed. the studied section is situated in the western margin of the urumieh-dokhtar magmatic arc (the intra-arc basin).the qom formation deposits at the studied area are rupelian-chattian in age. larger benthic foraminifers are used for biostratigr...
The geological history of the Mediterranean Sea, its hydrography and connection with the Atlantic Ocean have been well documented. Despite a wealth of historical and oceanographic data, the Atlantic-Mediterranean transition remains controversial at the biological level as there are discordant results regarding the biogeographical separation between the Atlantic and Mediterranean biota. The open...
A molecular phylogeny of 15 (out of 26 recognized) species of Parablennius Miranda Ribeiro, 1915 was constructed based on two mitochondrial and two nuclear gene fragments, and using maximum parsimony, maximum likelihood and Bayesian approaches. The closely related genera Hypleurochilus, Salaria and Scartella were also studied to ascertain their relationship with Parablennius. Phylogenetic analy...
Recent findings have shown that photosynthesis in the skin of the seed of Posidonia oceanica enhances seedling growth. The seagrass genus Posidonia is found only in two distant parts of the world, the Mediterranean Sea and southern Australia. This fact led us to question whether the acquisition of this novel mechanism in the evolution of this seagrass was a pre-adaptation prior to geological is...
The Lower Cretaceous Carbonate deposits of the Dariyan Formation of the HighZagros Belt are mainly composed of thick to medium bedded limestone. These depositscontain abundant and diversified benthic foraminifera which have been recovered fromcarbonate rocks. A rich assemblage of microfossils with characteristic: Palorbitolinalenticularis (Blumenbach), Mesorbitolina subconcava (Leymerie), Mesor...
Several transitions of Lower to Middle Turonian pelagic marl–limestone-cycles into Oceanic Red Beds were studied at high resolution to gain a better understanding of the Tethyan marine system before and during red bed initiation and development. Samples were analysed for mineralogy, geochemistry, and stable isotope composition. In particular, carbonate geochemistry of diagenetically largely una...
Since the early Cenozoic, closure of Alpine Tethys in Western Mediterranean has been accomplished by protracted subduction, followed collision and orogenic collapse. The internal zones Betic Cordillera (southern Spain) Rif (northern Morocco) experienced subduction metamorphism subsequent exhumation due to westward migration system. detrital provenance these meta-sedimentary units contains cruci...
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