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)
Introduction, Taphonomy and Palaeoecology of late Aptian- Early Cenomanian Oysters (Family: Gryphaeidae), Basab Area, Northwest of Kerman

L Asghari; M.R vaziri; A Arab

Volume 24, Issue 94 , March 2015, , Pages 121-132

http://dx.doi.org/10.22071/gsj.2015.42588

Abstract
  The thick layers of late Aptian- early Cenomanian deposits in the northwest of Kerman, which consist of mainly marl and limestone has been sampled and studied. The thickness of the succession in the Basab area is 380 meters and is subdivided into 4 distinct and informal units that named Lower Basab Marl, ...  Read More

Vein-type and Stratabound W (Cu-Au) Mineralization in Iran

S Ghaderi; E Rastad; N Rashidnejad-Omran; M Mohajjel

Volume 24, Issue 94 , March 2015, , Pages 305-314

http://dx.doi.org/10.22071/gsj.2015.42949

Abstract
  Tungsten (Cu-Au-Zn) deposits and occurrences in Iran can be divided into two separate categories based on their genesis, tectonic setting, mineral paragenesis and related processes inherent in their formation. The first category contains deposits, which are located in metamorphosed Late Triassic-Middle ...  Read More

Fourier Based Analysis of Deficiency of Well Logs Processing Methods

B Tokhmechi; H Azizi; H Memarian

Volume 24, Issue 93 , December 2014, , Pages 253-258

http://dx.doi.org/10.22071/gsj.2014.43590

Abstract
  Estimation of rock type, porosity and saturation are the main applications of petrophysical logs. Several equations are presented for mentioned estimations, and deficiencies of these equations are widely investigated. In this paper, general deficiency of well logs processing methods is discussed. In ...  Read More

The Emplacement Mechanism of the Gol-e-Zard Granodiorite Pluton, North of Aligoudarz, West of Iran, by Using of AMS Method

M. Sadeghian; M. Sheibi; S. Badallo

Volume 23, Issue 92 , September 2014, , Pages 129-142

http://dx.doi.org/10.22071/gsj.2014.43692

Abstract
  The Gol-e-Zard granitoidic pluton with an age of ~ 165±5 Ma is located in the north of Aligoudarz city, Lorestan province, in the Sanandaj-Sirjan structural zone. The pluton intruded into the late Triassic-early Jurassic slates, phyllites and micaschists. The granodiorites, dominant rock types ...  Read More

Petrography, Mineral Chemistry and Petrogenesis of the Ganj Complex Felsic Plutonic Rocks, South East of Iran: Constraints on its Tectonic Environment

A Shaker Ardakani; M Arvin; B Oberhänsli

Volume 23, Issue 92 , September 2014, , Pages 143-154

http://dx.doi.org/10.22071/gsj.2014.43693

Abstract
  The Lower Paleocene felsic plutonic rocks in the N- NE of Ghaleh-Ganj, are located on the western side of the Makran accretionary prism and the Jazmurian Depression and the east side of the Jiroft fault. They are parts of the intrusives in the Ganj complex, which itself is a part of the Jazmurian ophiolitic ...  Read More

Morphotectonics, Kinematics and Geometry of the Sufian-Shabestar Fault Zone, Azerbaijan (NW Iran)

A Ghahramani Zakaria; H Nazari; M Pourkermani

Volume 23, Issue 92 , September 2014, , Pages 155-164

http://dx.doi.org/10.22071/gsj.2012.43694

Abstract
  This research has been achieved with the purpose of morphotectonic studies of the Sufian-Shabestar fault zone in the West Alborz-Azerbaijan (NW Iran). The fault zone cuts the Neogene and Quaternary units in south of the MishoMountains. The maximum of horizontal and vertical displacements along the Sufian-Shabestar ...  Read More

Analysis of Structural Control on Chahmesi Deposit, Miduke Area, SE Iran

Sh Shafiei; M Ghiyasi

Volume 23, Issue 92 , September 2014, , Pages 177-186

http://dx.doi.org/10.22071/gsj.2014.43699

Abstract
  Chahmesi vein type deposit in the Kerman porphyry copper belt is located in the southwest of the Miduk porphyry copper deposit. The complex of Eocene volcanic rocks outcropped in this area. Analysis of structural data in outside of Chahmesi deposit and comparison of structures in outside border with ...  Read More

Mineralogical, Geochemical and Genetic Aspects of Mineralization in Now-Chun Porphyry Mo-Cu Deposit, Kerman Province, Iran

S Soltaninejad; B Shafiei

Volume 23, Issue 91 , June 2014, , Pages 11-24

http://dx.doi.org/10.22071/gsj.2014.43746

Abstract
  The Now-Chun deposit, in the Kerman porphyry copper belt, with proved reserve of 268 Mt ore grading 0.034% Mo (100 ppm cut off) and 62 Mt ore grading 0.43% Cu (0.25 cut off), is the first known occurrence of Mo-rich,relatively Cu-poor porphyry mineralization in Iran which is studied from the mineralogical, ...  Read More

Geological Evidences and Ore Body Facies of Tangedezan Zn – Pb (Ag) Deposit in a Jurassic-Cretaceous Carbonate Sequence, Booeen Miandasht (Isfahan, Iran)

S.T Delavar; I Rasa; M Lotfi; G Borg; N Rashidnejad Omran; P Afzal

Volume 23, Issue 91 , June 2014, , Pages 77-88

http://dx.doi.org/10.22071/gsj.2014.43777

Abstract
  Tangedezan Zn-Pb deposit is located in 22 km west of Booeen Miandasht city, in western part of Isfahan province and in Malayer–Isfahan Pb-Zn mineralization belt. This deposit is one of the stratabound deposits in a Jurassic-Cretaceous carbonate sequence. Two main ore body geometries have been recognized ...  Read More

Tectonic Activity Rate in Behabad Area According to Morphotectonic Indices, NE Yazd Province, Iran

M Sheban; F Ghaemy; A Abbasnejad; F Ghaemy

Volume 23, Issue 91 , June 2014, , Pages 141-152

http://dx.doi.org/10.22071/gsj.2014.43802

Abstract
  Neotectonics that is a major factor of landform development in tectonically active regions has significantly affected fluvial systems and mountain-front landscapes in the Behabad area of the Central Iran Zone. To assess tectonic activities in the area, we analyzed geomorphic indices including the mountain-front ...  Read More

Platinum- Group Elements (PGE) and Chromian Spinel Geochemistry in the Peridotites from the Abdasht Ultramafic Complex, Kerman, Southeastern Iran

A.R Najafzadeh; H Ahmadipour

Volume 23, Issue 91 , June 2014, , Pages 173-186

http://dx.doi.org/10.22071/gsj.2014.43814

Abstract
  The Abdasht complex is one of the major ultramafic complexes in south-east Iran (Esfandagheh area). This complex is composed mainly of dunite, harzburgite, lherzolite, chromitite, and subordinate wehrlite. The detailed electron microprobe study revealed very high Cr# (48-86), Mg# (26-56) and very low ...  Read More

Investigation on Distribution of Radioactive Elements in SW Masuleh Based on the Airborne Radiometer Data, Gilan Province, Iran

A Zia Zarifi; S Mehri; P Afzal; H.R Jafari

Volume 23, Issue 91 , June 2014, , Pages 187-195

http://dx.doi.org/10.22071/gsj.2014.43815

Abstract
  Airborne radiometer data is the best to study the distribution of radioactive elements of an area. In this paper, separation of anomaly values have been performed by means of the classical statistics, the tables of frequency distribution of uranium, thorium and potassium have been produced, the frequency ...  Read More

Investigation of Tectonically Rotation of Gabbroic Blocks along the Sahneh Fault Based on the Analysis of Palaeomagnetic Data, Western Iran

M Asadi; H Alimohammadian; M Oviesy Moakher; N Mirzaei

Volume 23, Issue 91 , June 2014, , Pages 205-215

http://dx.doi.org/10.22071/gsj.2014.43822

Abstract
  Palaeomagnetic analysis has been applied worldwide on active faults for decades. The palaeomagnetic investigation on the Sahneh Fault, at middle part of the Zagros Main Recent fault, is the main objective of this research. The length of the Sahneh fault, which is about 100 km in study area, cuts the ...  Read More

Petrogenesis of Akapol granitoidic intrusion Kelardasht area

M.A Sajadi Nasab; M Vosoughi Abedini; M.H Emami; M Ghorbani

Volume 23, Issue 91 , June 2014, , Pages 215-229

http://dx.doi.org/10.22071/gsj.2014.43824

Abstract
  The studied granitoidic intrusion with about 50 km2 area is located in the SW of Kelardasht, one of the regions in MazandaranProvince. It is one of the pluton masses of the Central Alborz structural zone. The mass has an age between 54±4 and 56±3 million years (late Paleocene to early Eocene) ...  Read More

Zonation of Iran According to the Seismicity Coefficiency Rate(λ) and Mmax

Gh Razaghian; A Beitollahi; M Pourkermani; M Arian

Volume 23, Issue 90 , March 2014, , Pages 99-104

http://dx.doi.org/10.22071/gsj.2014.43967

Abstract
  Iran is in the middle part of the seismic belt of Alps-Himalayas with dissimilar geological, structural and seismological features. In the present article, zonation maps of the earthquake occurrence rate (Rate) and the largest observed earthquakes (Mmax) have been prepared for all the regions of Iran. ...  Read More

Using Biogeochemistry Exploration in Reconnaissance of Copper, Lead and Zinc Mineralization in Masjed_dagi, Julfa (Eastern Azerbaijan)

F. Farjandi; H. Bastani

Volume 22, Issue 87 , December 2013, , Pages 51-64

http://dx.doi.org/10.22071/gsj.2013.53830

Abstract
  The aims of present study are investigation of endemic plants in Masjed-Daghi area introducing hyperaccumulator and indicator plants for gold and copper, and also describe the biogeochemical response pattern over a known mineralized site, namely the "Au- Cu" mineralization at Masjed-Daghi area. Masjed_Daghi ...  Read More

Rare Earth Minerals in Esfordi Magnetite-Apatite ore Deposit, Bafq District

M. Boomeri

Volume 22, Issue 85 , December 2013, , Pages 71-82

http://dx.doi.org/10.22071/gsj.2012.54023

Abstract
  The Esfordi magnetite-apatite ore deposit is located in 35 Km northeast of Bafq city in Central Iran. Bafq is an important mining district which hosts more than 45 iron deposits and a few Zn-Pb massive sulfides, Mn and U deposits. The district is restricted by two main strike-slip faults of Kuhbanan ...  Read More

Characteristics of the Eocene Volcanism in Taroum Mountain, West Alborz of Iran and Comparison with the Similar Volcanism in Yuntdağ Area of Turkey

mohammad parchekani; M Shahrabi; K Bazargani-Guilani

Volume 23, Issue 89 , December 2013, , Pages 109-118

http://dx.doi.org/10.22071/gsj.2013.53585

Abstract
  The west Alborz area with a crustal thickness of 35-40 Km is a part of the Alborz ranges and is located in the western part of the Alpine-Himalaya belt. This area is folded by Alpine orogeny and the orogen is formed by collision between Iranian and Arabian blocks. A thick and widespread sequence of volcanic ...  Read More

SWOT Study of the Mine and Mineral Industries of Iran and Strategic Planning Proposal

A. R. Ghiasvand

Volume 22, Issue 87 , December 2013, , Pages 197-204

http://dx.doi.org/10.22071/gsj.2013.53856

Abstract
  In order to provide a strategic plan for any sector, the internal factors, the required timeframe and the related visions and policies should be studied. Strategy development requires a realistic view of the surrounding environment, in which the competition and challenges rule the future of any organization. ...  Read More

Precambrien Crustal Basement Rocks in Iran New Evidence from the Takht-e-Soleyman Metamorphic Complex from NE Takab

R. Hajialioghli; M. Moazzen

Volume 22, Issue 88 , December 2013, , Pages 197-204

http://dx.doi.org/10.22071/gsj.2013.53693

Abstract
  The Prototethys ocean is formed between tow giant continents of Gondwana in the north and Eurasia in the south. Iranian terrain as neigburhood countries in the Oman, Pakestan, SE Turkey has been belonged to the giant Gondwana during Precambrian and Paleozoic. Precambrian terrains in Iran show limited ...  Read More

Geology, Geochemistry and Petrogenesis of Oshnavieh Plutonic Complex (Northwest of Iran)

J Ghalamghash; S. Houshmand Manavi; M. Vousoughi Abedini

Volume 22, Issue 88 , December 2013, , Pages 219-232

http://dx.doi.org/10.22071/gsj.2013.53696

Abstract
  Oshnavieh Plutonic Complex (OPC), hosted within the northernmost part of the Sanandaj- Sirjan zone, allows distinguishing three suites including diorite, granite and alkalisyenite-alkaligranite (AS-AG). Dioritic rocks formed from partial melting of enriched lithospheric mantle sources on base of minerlogical ...  Read More

Study of Cranium of Gazella capricornis skull (Antilopinae) from Northwest of Iran

V. Khaki; Z. Purabrishami; A. Zavarehee; Kh. Khosrotehrani

Volume 21, Issue 84 , December 2012, , Pages 25-30

http://dx.doi.org/10.22071/gsj.2012.53950

Abstract
  Vertebrate fossil fauna of Late Miocene age in Maragheh contains various mammals preserved in pyroclastic deposits of southern Sahand volcano. This study has been conducted on Gazella capricornis (a perfect skull). Since no other sample with such a good perfectness was found before at other localities ...  Read More

Microbiostratigraphic Study of the Gurpi Formation at Kuh-e Khaneh Kat (East of Shiraz)

M. R. Esmaeilbeig

Volume 21, Issue 84 , December 2012, , Pages 31-36

http://dx.doi.org/10.22071/gsj.2012.53953

Abstract
  The study of planktonic foraminifera of the Gurpi Formation at Kuh-e Khane Kat (east of Shiraz) led me to find standard biozones from Early Santonian to Middle Campaninan. Four biozones were determined: biozones I (Dicarinella asymetrica zone) and II (Rosita fornicata zone) belong to Early and Late Santonian. ...  Read More

Electrical Resistivity Structure of the Sabalan Geothermal System Inferred from Magnetotelluric and TDEM Data

B. Oskooi; G.A. Fanaee-Kheirabad

Volume 22, Issue 86 , December 2012, , Pages 29-34

http://dx.doi.org/10.22071/gsj.2012.54054

Abstract
  Geothermal energy is playing a large role as an alternative energy source for both electricity generation and space heating. Sabalan is a high temperature geothermal region in Ardabil province northwestern of Iran. In this study the conductivity structure of the top crust (depth lower than 2 kilometers) ...  Read More

Zoning of RQD Parameter, Based on Faults and Self-Organizing Map in Semilan Dam Site

A. Hossein Morshedy; H. Memarian

Volume 21, Issue 84 , December 2012, , Pages 99-112

http://dx.doi.org/10.22071/gsj.2012.53962

Abstract
  Zoning is an important practice in earth sciences. In zonation, the study area is divided into separate parts and by compiling the results of these parts, a unique model is obtained. In this study, clustering methods are applied for zoning of Semilan dam site. Optimal number of clusters are measured ...  Read More