Results 1 to 10 of about 382 (117)

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

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

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

Unlocking the hidden pathways: river channel delineation and reservoir characterization in Shurijeh Formation, Kopeh Dagh Basin [PDF]

open access: yesScientific Reports
The Shurijeh Formation is the primary gas reservoir within the Kopeh Dagh-Amu Darya Basin, deposited in a fluvial and deltaic environment. Due to significant lateral variability associated with floodplain and river channel settings, detailed ...
Vali Mehdipour, Zahra Sadeghtabaghi
doaj   +2 more sources

Lost circulation intensity characterization in drilling operations: Leveraging machine learning and well log data [PDF]

open access: yesHeliyon
Lost circulation is one of the important challenges in drilling operations and bears financial losses and operational risks. The prime causes of lost circulation are related to several geological parameters, especially in problem-prone formations. Herein,
Ahmad Azadivash
doaj   +2 more sources

PROVENANCE OF KARAKUM DESERT SAND (TURKMENISTAN): LITHIC-RICH OROGENIC SIGNATURE OF CENTRAL ASIAN DUNE FIELDS [PDF]

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2018
Major deserts do not necessarily consist of eolian dunes as quartz-rich as those of the Great Nafud, Rub’ al Khali, Sahara, and Mega-Kalahari sand seas accumulated in anorogenic settings of Arabia and Africa. The Karakum dune field of Turkmenistan is one
EDUARDO GARZANTI   +3 more
doaj   +3 more sources

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