Volume 34 (2024)
Volume 33 (2023)
Volume 32 (2022)
Volume 31 (2021)
Volume 30 (2020)
Volume 29 (2020)
Volume 28 (2019)
Volume 27 (2018)
Volume 26 (2017)
Volume 25 (2016)
Volume 24 (2015)
Volume 23 (2014)
Volume 22 (2013)
Volume 21 (2012)
Volume 20 (2011)
Volume 19 (2010)
Volume 18 (2009)
Volume 17 (2008)
Volume 16 (2007)
Stratigraphy and Palaeontology
Fusulinids biostratigraphy of Zaladou formation (Gzhelian-Asselian) from Central Iran (Ozbak Kuh), Shishtu section

Ali Jalali; Hamed Yarahmadzahi; Mehran Arian; Abdollah Saidi; Seyed Mohsen Aleali

Volume 33, Issue 2 , June 2023, , Pages 283-298

https://doi.org/10.22071/gsj.2022.341732.1998

Abstract
  The Shishtou section is located in the north of Tabas Ghezelin and Asselian sequences of Zaladou formation with 60 m thickness are divided into five units, includes sandstone, limestone, shale, sandy limestone and limestone. The lower boundary of the Gzhelian deposits with disconformity on top of the ...  Read More

Tectonics
Orogenic and epeirogenic events in Iran

Mohammad R. Ghassemi; Ali Aghanabti; Abdollah Saeidi

Volume 33, Issue 1 , February 2023, , Pages 87-106

https://doi.org/10.22071/gsj.2022.324032.1970

Abstract
  Correlation of the orogenic and epeirogenic events in Iran with the events that have been identified in different parts of the world and in different tectonic environments, has caused some confusion in the Iranian geological literature. After a brief review of the nature of known orogenic processes in ...  Read More

Tectonics
Estimated amount of shortening in Zagros crushed zone and crushed area based on transverse cutting equilibrium

Rojan Hemati; Manouchehr Ghorashi; Ali Solgi; Abdollah Saidi

Volume 31, Issue 3 , December 2021, , Pages 9-16

https://doi.org/10.22071/gsj.2019.97421.1249

Abstract
  The Zagros suture zone is one of Key regions. Continent - Continent collision between Arabian plate and Iranian Block. This region is coincided by High Zagros and Zagros Simply Fold Zones in Western side and in other side is the Sanandaj- Sirjan Zone. The region of this research in situated in Northern ...  Read More

Tectonics
Accommodation of Shortening in the Eastern-Central Alborz Range (North of Damghan)

Zeynab Taslimi; Abdollah Saidi; Mehran Arian; A. Solgi; Manouchehr Ghoreshi

Volume 29, Issue 116 , August 2020, , Pages 93-98

https://doi.org/10.22071/gsj.2017.108499.1331

Abstract
  The Alborz Mountains has been separated the subsiding Caspian Basin from the foreland basin of Central Iran. This mountain range from east to northwest, has changed greatly in structural trend formed spirally. Two orogenic phases, Cimmerian and Alpine events caused more changing in sedimentary basin ...  Read More

Tectonics
Veshnoveh Cu mine located in Kahak South-east Geodynamic Place (South of Qom)

Zahra Mohammadyasl; Abdollah Saidi; Mehran Arian; Ali Solgi; taher Farhadinejud

Volume 29, Issue 114 , December 2019, , Pages 175-184

https://doi.org/10.22071/gsj.2018.95329.1226

Abstract
  The Studied area is located in the small part of the structural zone of Urumieh- Dokhtar Magmatic Arc, at 60km far from south of Qom and 12km far from south east of Kahak. In the beginning, 1:25000 map of the area was prepared, because, region is located in two 1:100000 scale map sheet of Kahak and Aran, ...  Read More

Tectonics
The investigation of paleo-stress based on the study of fractures in Zagros collision zone Kermanshah region

Sepideh Rezabeyk; Abdollah Saidi; Mehran Arian; Ali Sorbi

Volume 28, Issue 111 , May 2019, , Pages 281-288

https://doi.org/10.22071/gsj.2017.95512.1228

Abstract
  In the Northern part of Suture Zone (Kermanshah) the deep sea sediments, oceanic crust remnants, platform carbonates, igneous and metamorphosed rock of active margin and carbonate sequence of passive margin are assembled in this studied area. This convergent area has provided a very complicated structural ...  Read More

Lower Permian Fusulinids Biostratigraphy in Chili Formation (Member of Khan Group) in the Kalmard Area, Eastern Central Iran (Rahdar Section)

H. Yarahmadzahi; M. N. Gorgij; S. A. Aghanabati; A. Saeidi

Volume 22, Issue 87 , December 2013, , Pages 75-82

https://doi.org/10.22071/gsj.2013.53832

Abstract
  The studied section is located west of Tabas (Rahdar Mountion) in the Kalmard Block. The newly named Chili formation, as the first rock unit of the Khan group consist mainly of arenacous limestone, limestone and dolomite and has disconformity contact with underlying lower carboniferous deposits (Padeh ...  Read More

Structural Mechanisms of the Quaternary Basalts in Bijar area, west of Iran

G. Maleki; A. Saeedi; M.H. Emami; M. Kheirkhah

Volume 21, Issue 83 , December 2012, , Pages 87-96

https://doi.org/10.22071/gsj.2012.54523

Abstract
  In Sanandaj- Sirjan zone a vast outcrops of volcanic  rocks, which founded as high terraces, are covered  the Pre-Quaternany  rocks. The volcanic rocks are appeared in different shapes and morphological features. Based on the Zagros geodynamical evolution, mentioned rocks assumed  ...  Read More

Kinematic Analysis of Geomorphic Markers and Estimation of the Relative Rate of Active Deformations along the Hormud Quaternary Fault- East of Central Zagros

Kh. Hashemi; B. Oveisi; A. Saeedi

Volume 22, Issue 86 , December 2012, , Pages 135-142

https://doi.org/10.22071/gsj.2012.54078

Abstract
  Young deformations and folds are one of the impressive characteristics of Zagros simple folded belt. The studied structure is Hormud fault-related fold which is situated in the coastal Fars and the southward of Lar town. In order to illustrate the geometry of the studied structure and its kinematic relationship ...  Read More

North-Tehran Tectonic Wedge, Dynamic or Geomorphic Wedge?

S. Rajabi; M. Eliassi; A. Saidi; A. Shahidi

Volume 21, Issue 82 , December 2011, , Pages 181-186

https://doi.org/10.22071/gsj.2011.54454

Abstract
  In this research, heterogeneous fault slip data are used as the main data for doing paleostress analysis in North-Tehran tectonic wedge, which is restricted between Mosha and North-Tehran faults. Using these data and paleostress methods, the studied area is divided into 15 smaller stable stress regions ...  Read More

Biostratigraphy of the Shirgesht Formation in Kalmard Mountains in Southwest of Tabas with special Emphasis on Conodonts

A. Ghaderi; A. Aghanabati; B. Hamdi; A. Saeedi

Volume 18, Issue 70 , February 2009, , Pages 28-37

https://doi.org/10.22071/gsj.2009.57371

Abstract
  To study the Shirgesht Formation biostratigraphy in Kalmard Horst in relation to its conodont content, the Miyugodar (Miangodar) stratigraphic section was selected which is located in southwest of Tabas city. The Shirgesht Formation in the mentioned section is mainly composed of siliciclastic rock units ...  Read More

Structural Evolution of the Basement and Activity of Salt Structures in Firuzabad Area, Fars

M. Pirouz; A. Bahroudi; M.R. Ghasemi; A. Saeidi

Volume 17, Issue 68 , February 2008, , Pages 40-55

https://doi.org/10.22071/gsj.2009.57837

Abstract
          The study area is located in Zagros simply folded belt, south of Firuzabad city. We have considered sedimentary basin floor deformation, initial time of folding and salt structure upwelling by using isopach data. Moreover, these data can be used to indicate ...  Read More