Results 1 to 10 of about 368 (105)

Early Silurian (Llandovery) Trilobite fauna from [PDF]

open access: yesJournal of Sciences, Islamic Republic of Iran, 2020
The aim of this study is to analyze the assemblage of trilobites in the Silurian sequences of Iran by exploring stratigraphic section of the Silurian Niur Formation (Asadli section).
Hamed Ameri
doaj   +4 more sources

Mantle-flow diversion beneath the Iranian plateau induced by Zagros’ lithospheric keel [PDF]

open access: yesScientific Reports, 2021
Previous investigation of seismic anisotropy indicates the presence of a simple mantle flow regime beneath the Turkish-Anatolian Plateau and Arabian Plate.
Ayoub Kaviani   +8 more
doaj   +7 more sources

Short-term seismic crustal deformation of Iran

open access: yesAnnals of Geophysics, 2014
In this paper the short-term seismic deformation of Iran is determined by the earthquake moment tensor summation. The study areas include the Alborz, Kopeh-Dagh, eastern Iran, Makran and Zagros orogenic belts.
Shoja Ansari, Ahmad Zamani
doaj   +9 more sources

Study of main planktonic foraminifera(Turonian-Santonian) in Kopeh-Dagh sedimentary environment, NE Iran [PDF]

open access: yesSustainable Earth Trends, 2021
In order to study the fossil contents of the Abderaz Formation for biostratigraphical purposes the 500 meters thick section was sampled at type section.
Meysam Shafiee Ardestani   +1 more
doaj   +3 more sources

Determination of the stress field in the Kopeh Dagh and Eastern Iran regions

open access: yesContributions to Geophysics and Geodesy, 2022
The land of Iran is situated in a compression zone with a high seismicity rate due to the convergence of Arabian and Eurasian plates. In this study, the stress field of two provinces of Kopeh Dagh and Eastern Iran, which are located in the east and ...
Ghasem Ghorbani ROSTAM
doaj   +2 more sources

A MONOTYPIC STAND OF NEOCALAMITES IRANENSIS N. SP. FROM THE CARNIAN PLUVIAL EPISODE (LATE TRIASSIC) OF THE AGHDARBAND AREA, NE IRAN (TURAN PLATE) [PDF]

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2021
The Aghdarband Basin in the Kopeh-Dagh Range (NE Iran) is one of the most important areas for unraveling the evolution of the Turan plate (southern margin of Eurasia) during the last phase of the closure of the Paleotethys and to reconstruct the history ...
MINA MAZAHERI-JOHARI   +4 more
doaj   +3 more sources

Investigation of seismic parameters, calculation of Seismic moment and Geologic moment Kopeh-Dagh zone in Northeast of Iran [PDF]

open access: yesمخاطرات محیط طبیعی, 2021
The Kopeh-Dagh zone is the northern deformation zone due to the convergence of the Arabian and Eurasian plates Which forms an active area with a northwest-southeast trend.
Hadi Alinia, Mohammad Mahdi Khatib
doaj   +2 more sources

Palynostratigraphy of the Sanganeh Formation at the East and Central Kopeh-Dagh Basin based on dinoflagellate cysts [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2015
The Sanganeh Formation (Lower Cretaceous) has cropped out across the Kopeh-Dagh Basin. The formation conformably overly the Aptian Sarcheshmeh Formation and is in turn overlain conformably by glauconitic sandstone of the Aitamir Formation. The considered
Narges Shokri   +2 more
doaj   +3 more sources

Probabilistic View of Occurrence of Large Earthquakes in Iran [PDF]

open access: yesJournal of Sciences, Islamic Republic of Iran, 2018
In this research seismicity parameters, repeat times and occurrence probability of large earthquakes are estimated for 35 seismic lineaments in Persian plateau and the surrounding area.
M. Nemati
doaj   +3 more sources

Slip-rate on the Main Köpetdag (Kopeh Dagh) strike-slip fault, Turkmenistan, and the active tectonics of the South Caspian [PDF]

open access: yesTectonics, 2021
We provide the first measurement of strike-slip and shortening rates across the 200-km-long right-lateral strike-slip Main Köpetdag Fault (MKDF) in Turkmenistan.
Begenjev, G.   +9 more
core   +8 more sources

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