نتایج جستجو برای: ne iran

تعداد نتایج: 137374  

Journal: :Tectonics 2021

The structural analysis of large intracontinental wrench faults is fundamental for deciphering the long-term evolution continental crust in complex areas terms their geodynamic and large-scale crustal block displacements. In this contribution, we demonstrate a pre-Miocene dextral activity present-day left-lateral Great Kavir - Doruneh Fault System (GKDFS, Central Iran), one major active strike-...

Journal: :Minerals 2022

This research assessed stress regimes and fields in eastern Iran using fault-slip data the tectonic events associated with these changes. Our analysis of brittle structures Shekarab Mountains revealed significant changes from late Cretaceous to Quaternary. Reconstructing age sense fault movements showed that during Cretaceous, direction maximum horizontal axes (?1) under a compressional regime ...

2013
Jiří Šmíd Salvador Carranza Lukáš Kratochvíl Václav Gvoždík Abdul Karim Nasher Jiří Moravec

The geological history of the Arabian Peninsula has played a crucial role in shaping current diversity and distribution patterns of many Arabian and African faunal elements. The gecko genus Hemidactylus is not an exception. In this study, we provide an insight into the phylogeny and systematics of 45 recognized species of the so-called Arid clade of the genus Hemidactylus from Arabia, the Horn ...

2013
Shahabi Mohamadabadi Mehran Hoodaji Davood Hashemabadi Mitra Ataabadi

Plants are the most common bioindicatorsused in air quality biomonitoring studies because they are immobile and they have more sensitive to the most prevalent air pollutants than humans and animals. To identify the concentrations and sources of heavy metals in ornamental plants of Isfahan landscape, samples of leaves and soil around Pinuseldarica and Nerium oleander were collected at different ...

Journal: :Results in geochemistry 2023

Most geochemical and geostatistical analysis in mining exploration requires removing regional trends order to obtain local anomalies. In this paper, stream sediment samples, which collected from Khusf area (NE Iran), was studied based on Concentration-Area (C-A) fractal model as well correspondence methods find high-potential areas elements. Correspondence with 170 samples through 20 elements c...

نصیری بزنجانی, رسول, شهریاری, شاهین, قربانی, محمدرضا,

The tectonic settings for the Urumieh-Dokhtar volcanic-plutonic belt provided by different reaserchers including active continental margin rift and post collisional settings. Geochemical and tectonic studies indicate that this belt belongs to the active continental margin. Basaltic andesite, andesite, trachy andesite, trachy dacite and dacitic rocks in NE Naragh, of the Urumieh-Dokhtar magmatic...

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