Volume 31 (2021)
Volume 30 (2020)
Volume 29 (2020)
Volume 28 (2019)
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)
Original Research Paper Sedimentology
3. Facies analysis and paleo-environmental reconstruction of the Neogene sediments in the Northern Dezful Embayment, Zagros

Najmeh Etemad-Saeed; Mahdi Najafi; Navid Zeinolabedin Qavim; Ghods Abdolreza

Volume 27, Issue 108 , Summer 2018, Pages 3-12


  The present study provides a detailed facies and depositional environment analyses of the Neogene sediments in the northern Dezful embayment, footwall of the Zagros Mountain Front fault. The Neogene sediments in this area, including the Mishan, Aghajari, and Bakhtyari formations, constitute the thickest ...  Read More

Original Research Paper
4. Petrogenesis of adakitic and calc-alkaline granitoids in Rabor-Lalehzar region, SE of Kerman: Constraints from geochemical and Sr-Nd isotopes results

mohsen chekani moghadam; Zahra Tahmasbi; Ahmad Ahmadi-khalaji

Volume 27, Issue 108 , Summer 2018, Pages 13-26


  Study area located on N to NW of Rabor city in Kerman province that belong to Uromieh-Dokhtar Magmatic Belt (UDMB). Most of rock lithology in this area including diorite, granodiorite and granite which have been exposed in volcanic sequences. Based on geochemical studies all of rocks in this area classified ...  Read More

Original Research Paper Stratigraphy and Palaeontology
5. Evidence of Barremian climate based on calcareous nannofossils at Garau Formation (Qaleh-Darreh section)

Maryam Eftekhari; Azam Mahanipour; Mohammad Dastanpour

Volume 27, Issue 108 , Summer 2018, Pages 27-36


  Abstract Barremian sediments of the Garau Formation have been investigated at the southwest of the Kabir-kuh anticline (Qaleh-Darreh section) with regard to calcareous nannofossils. According to the presence of index calcareous nannofossils, NC5 biozone and NC5c, NC5d and NC5e subzones of Roth (1978) ...  Read More

Original Research Paper Tectonics
6. Structural evolution of High Zagros fault in Faraghun Mountains, Evidence for right lateral transpression in SE Zagros

Mojtaba Ershadinia; Saeed Madanipour; Ali Yassaghi

Volume 27, Issue 108 , Summer 2018, Pages 37-44


  Faraghun Mountains are located in the south eastern part of the Zagros orogen. Early Ordovician- Permian rock units are deepest stratigraphic units exposed in the central part of the Faraghun Mountains. High Zagros Fault (HZF) is the main structural feature bordering southern flank of these mountains. ...  Read More

Original Research Paper Sedimentology
7. Provenance of siliciclastic deposits of Jeirud Formation in central Alborz

Majid Khazaee; Mahbobeh Hosseini-Barzi; Abbas Sadeghi; Hossein Mosaddegh

Volume 27, Issue 108 , Summer 2018, Pages 45-56


  The provenance of Jeirud Formation deposits (upper Devonian) in central Alborz has been investigated from study of siliciclastic sandstones (petrography, modal analysis and Heavy minerals assemblage) and mudstones (major and minor elements geochemistry). An integration of results suggest a mixture of ...  Read More

Original Research Paper Geophysics
8. Investigation of stress and strain rate variations in the Central Alborz by using earthquake focal mechanisms and GPS velocity vector data

Shahrokh Pourbeyranvand; Mohammad Tatar

Volume 27, Issue 108 , Summer 2018, Pages 57-66


  The Alborz, as one of the important seismotectonic provinces in Iran, has a great vulnerability from natural disasters, especially seismic risk point of view, because of the existence of Tehran megacity in its southern edge. The importance of this area has caused a relatively dense GPS network around ...  Read More

Original Research Paper Economic Geology
9. Studying the genesis of tourmaline and behaviour of rare earth elements during formation of tourmaline in Shirbit Area (Northeast Ahar, East Azarbaijan)

Mitra Eftekhari; Mohammad reza Hosseinzadeh; Mohsen Moayyed

Volume 27, Issue 108 , Summer 2018, Pages 67-74


  The Studied area is located in vicinity of the Sherbit village, about 28 km to the northwest of Ahar (in Eastern Azerbaijan province. Quartz monzonite intrusion is the host rock of hydrothermal tourmaline in this area. On the basis of their textural features, the tourmalines can be divided into four ...  Read More

Original Research Paper
10. Biostratigraphy and paleoecology of Abderaz Formation in Chahchaheh section, East Koppeh Dagh based on Ostracods

S. Sanjary; F. Hadavi; M. Notghi Moghaddam; M. Allameh

Volume 27, Issue 108 , Summer 2018, Pages 75-82


  In the present study the Abderaz Formation ostracods were investigated. The thickness  of the formation in this section is 385m, and consists of shale and marl together with three horizons of chalky limestone. Paleontological studies led to identification of 16 genera and 51 species of ostracods ...  Read More

Original Research Paper Sedimentology
11. Oolitic facies analyses of Badamu Formation at the southeast of Kerman, south of Tabas Block: a pattern of beach and beach ridges

Hamed Zand-Moghadam

Volume 27, Issue 108 , Summer 2018, Pages 83-94


  The Badamu Formation with Middle-Upper Jurassic (late Toarcian-Early Bajocian) age introduced as third formation of Shemshak Group in the Central Iran that for facies studies and depositional environment, the Bolbolueih section in SE Kerman with thickness 144m were selected and sampled. Facies analyses ...  Read More

Original Research Paper
12. Determination of upper crustal velocity structure in North Eastern part of Iran between Kashaf Roud and Binaloud faults

S. M. Azhari; M. Rezapour; A. A. Mottaghi

Volume 27, Issue 108 , Summer 2018, Pages 95-104


  Northeastern part of Iran islocated in the Kopeh Dagh seismotectonic province. This province is part of the Alpine-Himalayan orogenic belt. In the last two decades, a number of earthquakes occurred in this region. Therefore, investigating and relocating these earthquakes with adequate precise play a ...  Read More

Original Research Paper Economic Geology
13. Evidences of probable porphyry Cu-Au mineralization in Namegh area, Northeast of Kashmar: geology, Alteration, mineralization, geochemistry, and fluids inclusion studies

Hakima Taghadosi; Azadeh Malekzadeh Shafaroudi

Volume 27, Issue 108 , Summer 2018, Pages 105-114


  Namegh area is located northeastern Kashmar, Khorasan Razavi province, and centeral part of of Khaf-Kashmar-Bardaskan magmatic belt. Geology of the araea is covered by Eocene volcanic rocks having andesite to rhyolite composition, which are intruded by subvolcanic intrusions with monzonite, monzodiorite, ...  Read More

Original Research Paper
14. Microfacies and sedimentary environment of Jahrom Formation in Saldoran and Dasht- Zari sectione, Shahr-e-Kord, high Zagros

M. Soltani Najafabadi; S. A. Babazadeh; M. Aleali; B. Asgari Pirbaluti

Volume 27, Issue 108 , Summer 2018, Pages 115-124


  Jahrom Formation is dominated by gray thick bedded limestones that mainly consist foraminifera. Two stratigraphic sections, (Saldoran and Dasht-Zari) were selected for this research and the thickness of this formation is reached to 176.5 and 200 m respectively. These sections are located in west of Shahr-e- ...  Read More

Original Research Paper Tectonics
15. The comparison of concentration and strike pattern of the Yortesha Anticline’s surface and subsurface fractures, The Natural Gas Storage Field in The Central Iran Zone

Mahnaz Sabahi; Ramazan Ramazani Omali; Masoumeh Kordi; Mohsen Dourandish

Volume 27, Issue 108 , Summer 2018, Pages 125-132


  In the past decade, several geophysical, geological and reservoir studies have been done on the Qom formation in the Yortesha field for injection and gas storage purposes. Qom formation in this field has a poor reservoir characteristic (low porosity and permeability); therefore the role of fractures ...  Read More

Original Research Paper Sedimentology
16. Sedimentary environment and sequence stratigraphy of the Routeh Formation in the west of Zanjan (Agh-Bolagh section)

Afshin Zohdi

Volume 27, Issue 108 , Summer 2018, Pages 133-144


  In this study, for the first time stratigraphy and depositional history of the Routeh Formation have been evaluated in west of Zanjan (Agh-Bolagh section). These deposits with thickness of 102m consist of limestone, dolomitic limestone with the less frequency of thin-bedded calcareous shales. This sedimentary ...  Read More

Original Research Paper Geophysics
17. Depth estimation of total magnetic anomalies using Hilbert transform with 3-D analytic signal application, case study: iron ore Kheirabad, Sirjan, Iran

mohammad rasool nikbakhsh; Mir Sattar Meshinchi Asl; Hamidreza Siyahkohi; Mohsen Oveisy Moakhar

Volume 27, Issue 108 , Summer 2018, Pages 145-154


  An important goal in mining exploration is  the estimation of the depth and the thickness of the causative source. According to this simplification, several methods have been developed for interpreting magnetic field anomalies. In this article, the Hilbert transform has been used to calculate the ...  Read More

Original Research Paper Economic Geology
18. Geology and mineralization of Sebandoon gold deposit, North of Bardeskan

Behzad Hamamipour; H. A. Tajeddin; Leila Barahmand

Volume 27, Issue 108 , Summer 2018, Pages 155-168


  The Sebandoon gold deposit is located 40 km north of the Bardaskan in the northern part of the Central Iran. The rock units exposed in the area consist of upper Cretaceous volcano-sedimentary sequences of trachyte-trachyandesite, andesibasalt,tuff and carbonaceous shale which intruded by post Eocene ...  Read More

Original Research Paper Stratigraphy and Palaeontology
19. Biostratigraphy, sequence stratigraphy and depositional environment of Dalan and Kangan formations in Lavan Gas Field in Persian Gulf, with emphasis on Permian-Triassic boundary

Somayeh Baharlouei Yancheshmeh; Ebrahim Ghasemi Nejad; Hossain Rahimpour-Bonab; Seyyed Ali Aghanabati

Volume 27, Issue 108 , Summer 2018, Pages 169-180


  Permo- Triassic subsurface section at Lavan 3 Well in Lavan Gas Field exhibits a 85 m-thick succession of limy dolostone and dolomitic limestone bearing anhydrite in the upper Dalan Formation, as well as a 154 m-thick succession of limy dolostone and dolostone with anhydrite ...  Read More

Original Research Paper
20. The relationship between Fe mineralization and the basement linear structures using multi fractal modelling in the Bafgh area, central Iran

Masoumeh Nabilou; Mehran Arian; Peyman Afzal; Ahmad Adib; Ahmad Kazemi Mehrnia

Volume 27, Issue 108 , Summer 2018, Pages 181-190


  The multifractal modelling is an effective approach for separation of geological and mineralized zones from the background. Following cases are addressed in this study; Concentration-Distance to Major Fault structures (C-DMF) fractal model and distribution of the known Fe indices/mines in the Bafgh ...  Read More

Original Research Paper Petrology
21. Petrography and geochemistry of pyroclastic rocks from the Badam area, E- Mahabad- West Azarbaijan Province

Ashraf Torkian; Jamal Abdolahpour; Nafiseh Salehi

Volume 27, Issue 108 , Summer 2018, Pages 191-200


  Pyroclastic rocks in the Badam area (E-Mahabad, west Azarbaijan Province), are located at the most extreme northern part of the Sanandaj-Sirjan zone. Petrographic studies revealed that they are basanitic in composition and have porphyric and microlithic porphyric textures. Olivine and clinopyroxne occur ...  Read More

Original Research Paper
22. Structural evolution of the western part of Dehsheikh Ultramafic-Mafic complex, Esfandagheh-Faryab ophiolitic mélange belt

P. Liaghat-Zadeh; Majid Shahpasandzadeh; M. Honarmand; H. Ahmadi-Pour

Volume 27, Issue 108 , Summer 2018, Pages 201-212


  The Dehsheikh Ultramafic-Mafic Complex (DUMC), as a portion of the Esfandagheh-Faryab ophiolitic melange belt, accommodates several chromitite ore deposits, but their emplacement and relation to the regional structures remain ambiguous due to structural complexities. The Dehsheikh Ultramafic Massif is ...  Read More

Original Research Paper
23. Geometry and kinematics of the Attary Fault in southeast of the Central Alborz

A. Naeimi; M. R. Ghassemi; M. R. Sheikholeslami; A. Hajihosseini

Volume 27, Issue 108 , Summer 2018, Pages 213-222


  The Attary Fault is an oblique fault with a mapped length of ~20 km. It is concealed by Quaternary deposits both northeastward and southwestward. However, there is a fault in the north of Kavir-e-Chah Jam that can be considered as the northeast continuation of the Attary Fault in this area. In addition, ...  Read More

Original Research Paper Petrology
24. Investigations on amphibole origin in olivine-bearing hornblende gabbros from NW of Salmas; NW Iran

Masoumeh Ahangari; Mohssen Moazzen

Volume 27, Issue 108 , Summer 2018, Pages 223-232


  Amphiboles in olivine-bearing hornblende- gabbros from NW of Salmas were crystallized in various textures including oikocryst and interstitial textures in the matrix, outer part of reaction rims around olivine, and at the rim and cleavages of clinopyroxene. On the basis of petrographical and textural ...  Read More

Original Research Paper
25. Evidence for syn-sedimentary faulting and reduced formation environment of the Ab-Bagh SEDEX-type Zn-Pb deposit, South of Shahreza, Sanandaj-Sirjan zone

M. Movahednia; E. Rastad; R. Rajabi; F. J. González

Volume 27, Issue 108 , Summer 2018, Pages 233-244


  The Ab-Bagh Zn-Pb deposit is located at the southeastern part of the Malayer-Esfahan metallogenic belt. This deposit is hosted by Upper Jurassic-Lower Cretaceous sedimentary sequence. Zinc and lead mineralization occurred within two horizons. The ore horizon 1 is hosted by Late Jurassic-Early Cretaceous ...  Read More

Original Research Paper Hydrology
26. The effective factors on the groundwater chemical quality of Qareh-Ziaeddin plain, West Azarbaijan province

Somayeh Esmaeili; Rahim Barzegar; Naeimeh Kazemian

Volume 27, Issue 108 , Summer 2018, Pages 245-256


  Qareh-Ziaeddin plain is located in the West Azarbaijan province, Northwest of Iran. The aim of this study is to investigate the effective factors and processes on the groundwater chemical quality of Qareh-Ziaeddin plain. For this purpose, 20 water samples were collected from groundwater resources in ...  Read More

Original Research Paper Economic Geology
27. Hydrothermal alteration in the Gazestan magnetite-apatite deposit and comparison with other Kiruna-type iron deposits in the Bafq district, Central Iran

Rasoul Sepehrirad; Saeed Alirezaei; Amir Morteza Azimzadeh

Volume 27, Issue 108 , Summer 2018, Pages 257-268


  The Gazestan magnetite-apatite deposit is hosted within an upper Proterozoic-lower Cambrian volcanic-sedimentary sequence, known as Rizu series, in the Bafq district, Central Iran. The Gazestan deposit occurred in intensely altered felsic-intermediate subvolcanic and volcanic host rocks. Field observations, ...  Read More

Original Research Paper Petrology
28. Thermobarometry and tectonic setting of Gasht-e-Rudkhan metapelites, Gasht metamorphic complex, west of Rasht

Soghra Razaghi; mohsen nasrabady; Kazem Gholizadeh; Zeinab Davoodi

Volume 27, Issue 108 , Summer 2018, Pages 269-280


  The Gash metamorphic complex is situated at the west of Rasht city. Gasht-e-Rodkhan metamorphic rocks are considered as a part of this metamorphic complex. Metapelites (schist, gneiss and migmatite) are the most important lithological unit of the Gasht-e-Rodkhan area. Index minerals consist of staurolite, ...  Read More

Original Research Paper Exploration and Mining
29. Evaluation of the effect of adding lime to shear strength parameters of clay- geosynthetic interface

Nazanin Mahbubi Motlagh; Ahmad-Reza Mahboubi Ardakani

Volume 27, Issue 108 , Summer 2018, Pages 281-292


  There are different methods to improve the technical characteristic of problematic soils. Stabilizing with lime and reinforcing by high tensile strength elements are among the improvement techniques.. The use of geosynthetics to improve the engineering properties of various types of soil is well accepted ...  Read More

Original Research Paper
30. Investigation on concentration of heavy and rare elements in active hydrothermal fluids in the geothermal field, south of Mount Sabalan, Ardebil province, NW Iran

R. Masoumi; A. A. Calagari; K. Siahcheshm; S. Porkhial

Volume 27, Issue 108 , Summer 2018, Pages 293-302


  The geothermal field at the south of Mount Sabalan is a part of the geothermal system of the Sabalan volcano region wherein manifestations of young volcanic activities including hot springs and surficial steams are observable. The surficial hydrothermal fluids in this area show maximum temperature of ...  Read More