Volume 31 (2021)
Volume 30 (2020)
Issue 118
Vo. 30, No, 118, Winter 2021
Issue 117
Volume 30, Issue 3, Serial Number 117, Autumn 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)
Original Research Paper Stratigraphy and Palaeontology
1. Jurassic Palynostratigraphy of the Karim-Abad section, North of Bahabad, Yazd Province: Relative abundance and SEGs Analysis

Fatemeh Vaez-Javadi; Mohammad Ali Ghanbarian

Volume 30, Issue 118 , Winter 2021, Pages 3-14


  Jurassic deposits are well spread in the north of Karim Abad village, north of Bahabad, central Iran. These deposits contain 41 species of palynomorphs, in which 15 spore species (12 genera), 15 pollen species (10 genera), and 10 species of dinocysts (3 genera) were identified. Vertical distribution ...  Read More

Original Research Paper Stratigraphy and Palaeontology
2. Teredolites ichnofacies and its sequences stratigraphy position in the upper part of Ziveh Formation, Moghan area, Eastern Azarbaijan province, northwest Iran

Nasrollah Abbassi; Majid Mirzaie Ataabadi; Mohammad Hasanpour

Volume 30, Issue 118 , Winter 2021, Pages 15-24


  A stratigraphic section from the upper part of Ziveh Formation (Middle Miocene) has been surveyed in north Ojagh Kandi village, northeast Kalibar, Azarbaijan province. Ziveh Formation overlayed by Tortonian sediments as an angular unconformity in the studied section and its lower boundary covered by ...  Read More

Original Research Paper Petrology
3. Petrography and Geochemistry of ophiolitic peridotite from Marivan-Kamyaran region, Zagros (western Iran)

Azad karimi; ali ahmadi; Monireh Kheirkhah; Abdolreza Partabian

Volume 30, Issue 118 , Winter 2021, Pages 25-36


  The peridotites from Marivan-Kamyaran ophiolite suite (MKO), outer Zagros ophiolite belt, western Iran, are studied for the petrological and geochemical characteristics. Both mantle and crustal peridotites are present in the Marivan-Kamyaran ophiolitic sequence. Extensive compositional variations in ...  Read More

Original Research Paper Sedimentology
4. Tectonic provenance of the Upper Red Formation sandstones in the Hesar section, Mahneshan Basin (west Alborz)

Navid Qavim; Najmeh Etemad-Saeed; Mahdi Najafi

Volume 30, Issue 118 , Winter 2021, Pages 37-46


  The Mahneshan Basin is one of the syntectonic Neogene sub-basins of the Central Iran. The basin is filled by about 4 km of the Miocene Upper Red Formation deposits, showing a combination of halokinetic and growth strata patterns. To assess the provenance evolution of sediments in north of the Mahneshan ...  Read More

Original Research Paper Economic Geology
5. Separating geochemical anomalies of lithium by the use of Concentration-Number fractal modeling on sedimentary rocks of the Jam and Sorkheh 1:100000 sheet, Semnan Province

Leila Jaberansari; habibollah Torshizian; Nader Kohansal Ghadimvand; Mohsen Pourkermani

Volume 30, Issue 118 , Winter 2021, Pages 47-60


  The current study was conducted on sedimentary units of the 1:100000 sheet of Jam and Sorkheh in Semnan Province, northeast of Iran. Because of its special geochemical properties, lithium can be concentrated in sedimentary rocks with clay minerals. Samples were collected from stream sediments and lithogeochemical ...  Read More

Original Research Paper Petrology
6. Petrography, geochemistry and petrogenesis of Alvand batholith leucocratic granites

hojjat hajhassani; Jalil Ghalamghash; Mansour Vousoughi Abedini; Rahim Dabiri; Hamideh Rashid

Volume 30, Issue 118 , Winter 2021, Pages 61-70


  The leucocratic granite emplaced as small masses and dykes in the Alvand batholith. The leucocratic granite consists of tourmaline alkali granite, biotite alkali granite, arfvedsonite alkali granite, rutil alkali granite, and biotite- muscovite granites with alkaline and peraluminous affinities. They ...  Read More

Original Research Paper Petroleum geology
7. Oil-source rock correlation in super-giant Gachsaran oilfield

Majid Safaei Farouji; Hosein Rahimpour- bonab; Mohammadreza Kamali; Buyuk Ghorbani

Volume 30, Issue 118 , Winter 2021, Pages 71-80


  Geochemical investigation of Kazhdumi and Pabdeh formations suggest a shaly and carbonate lithology as well as a suboxic-anoxic marine depositional environment for both formations. On the other hand, the thermal maturity of the Kazhdumi Formation is equivalent to the mid of oil window while thermal maturity-related ...  Read More

Original Research Paper Petrology
8. Tectono-magmatic setting of the Albite-bearing metasomatite of the Ghoghart magnetite-apatite ore deposits, Northeast Bafq, Central Iran

kiamars hosseini; Majid Shahpasandzadeh

Volume 30, Issue 118 , Winter 2021, Pages 81-94


  The Late Neoproterozoic-Early Cambrian albite-bearing metasomatite, rhyolites and rhyodacites predominantly constitute the host rocks of the Choghart magnetite-apatite deposit in Central Iran. The geologic evidences show three types of albites in the host albite-bearing metasomatite. The performed mineralogical ...  Read More

Original Research Paper Stratigraphy and Palaeontology
9. Lithostratigraphy and Biostratigraphy of the ammonites from the Upper Chaman Bid Formation (Tithonian) at the type locality (NE Iran, Koppeh Dagh)

Tayaebe Sarbandi Farahani; Mehdi Yazdi; Mahmoud Reza Majidifard

Volume 30, Issue 118 , Winter 2021, Pages 95-108


  The present study deals with the ammonites from the upper part of the Chaman Bid Formation, member 4 (Middle-Upper Jurassic) at the type locality. Lithostratigraphicall, it is consites alternation of limestone and marls.Following ammonite families are present: Perispinctidae, Ataxioceratidae, Haploceratidae, ...  Read More

Original Research Paper Petrology
10. Petrography and Petrology of early Paleozoic bimodal metavolcanic rocks in North of Maku, North West of Iran

Mohsen Moayyed; Farzaneh ValinasabZarnagh; Ahmad Jahangiri; Hosein Azizi

Volume 30, Issue 118 , Winter 2021, Pages 109-122


  there are Discontinuous outcrops of volcanic rocks in the northern regions of Maku. The volcanic rocks were metamorphosed in the green schist facies. These volcanic complex were bimodal and compose of acidic and basic lava and pyroclastic rocks. The lava of this unit covers the Cambrian and equivalent ...  Read More

Original Research Paper Economic Geology
11. Geochemistry of kaolin occurrence in the Abolhasani-Zereshkouh area, southeast of Damghan, NE Iran

masoumeh Norouzi; Ali Abedini; Ali Asghar Calagari; Fatemeh Kangarani Farahani

Volume 30, Issue 118 , Winter 2021, Pages 123-134


  The kaolin occurrence in the Abolhasani-Zereshkouh area (south of Shahroud, northeast of Iran) is a product of alteration of Eocene andesitic rocks. With attention to mineralogical studies, kaolinite, quartz, chlorite, montmorillonite, illite, rutile, calcite, orthoclase, albite, vermiculite, palygorskite, ...  Read More

Original Research Paper Petrology
12. Mineral Chemistry and Whole Rock Isotope Chemistry: an aperture to petrogenesis of the Abbasabad basaltic- andesitic rocks, east of Shahrood

Habibollah Ghasemi; Mahbubeh Arabzadeh Baniasadi; mojtaba rostami hosuri

Volume 30, Issue 118 , Winter 2021, Pages 135-144


  The Abbasabad Eocene volcano-sedimentary belt in the east of Shahrood includes of basaltic-andesitic rocks and related pyroclastics along with interlayers of sedimentary rocks. The volcanic rocks include olivine basalt, trachybasalt, trachy andesybasalt, trachyandesite and andesite with various textures ...  Read More

Original Research Paper Geological Environment and Engineering
13. Global warming in Tehran and presenting appropriate participatory policies for its mitigation

Shahrzad Faryadi; Ali Alavi Naeini

Volume 30, Issue 118 , Winter 2021, Pages 145-152


  climate change is known as one of the most important environmental crises which has made many problems . Considering the undeniable impact of humans in the production of greenhouse gasses, in this paper the situation of the climate change of Tehran is predicted by modeling three different scenarios, ...  Read More

Original Research Paper Sedimentology
14. Ore facies, ore horizons and genesis of the Gol-e-Zard sedeimentary-exhalative (SEDEX) zinc-lead, Lorestan province

hajar ghafleh maramazi; Fardin mousivand; alireza zarasvandi

Volume 30, Issue 118 , Winter 2021, Pages 153-164


  The Gol-e-Zard zinc-lead deposit is located in the Malayer-Isfahan belt of Sanandaj-Sirjan zone in northeast of Aligudarz, Lorestan province. Mineralization occurred as two different ore horizon within metamorphosed Jurassic shale and sandstone. Generally, two ore facieses were distinguished in the deposit: ...  Read More

Original Research Paper Sedimentology
15. Comparison of dolomitization models of Triassic-Neocomian carbonates in the easthern High Zagros

Ali Hossein Jalilian

Volume 30, Issue 118 , Winter 2021, Pages 165-178


  The Mesozoic sequence in the Zagros Region (SW Iran) consists dominantly of carbonates especially dolomite that play the role of reservoir in many oil and gas fields of the region. To investigate the function of sedimentary and diagenetic processes in the formation of Triassic-Neocomian dolomites of ...  Read More

Original Research Paper Stratigraphy and Palaeontology
16. Biostratigraphy and sea level change in the Coniacian-Maastrichtian deposits of the Fars basins (Pyrgheib section) based on planktonic foraminifera

A. Shaabanpour Haghighi; , L. Bakhshandeh; T. Mohtat; , M. Zamani Pedram; S. H. Vaziri

Volume 30, Issue 118 , Winter 2021, Pages 179-190


  In this study the Upper Cretaceous sediments in the Zagrous Basins Fars  province,the Pyrgheib Section,for the purpose of Biostratighraphy and sea level change studies were investigated. These sediments with about 206 m thickness consist of Limestone, Shale, Marl and limy marl. The investigated ...  Read More

Original Research Paper Economic Geology
17. Mineralogy,,Geochemistry and mineralization origin of magnetite in Yapal, northwest of Divandareh, Kurdistan

afshin akbarpour; Masoud Moslehi

Volume 30, Issue 118 , Winter 2021, Pages 191-202


  Yapal iron ore body is located in northwest of Sanandaj-Sirjan zone. A complex of Paleozoic metamorphed rocks including green schist, mica schist, chlorite schist with green schist facies degree, plus skarn and marble outcrop in this area.. Iron mineralization generally occurs as magnetite with the shapes ...  Read More

Original Research Paper Stratigraphy and Palaeontology
18. Study of Cretaceous Echinoidea of Anguran area, Northwest of Bandar Abbas

Hossein Gholamalian; Roya Fanati Rashidi

Volume 30, Issue 118 , Winter 2021, Pages 203-214


  Kazhdumi Formation strata in Anguran section (NW Bandar Abbas) are investigated and eight echinoid species belonging to eight genera have been identified. These species are: Tetragramma malbosii, Orthopsis ruppelli, Phyllobrissus aff. angustatus, Epiaster dartoni, Hemiaster sp., Pliotoxaster comanchei, ...  Read More

Original Research Paper Tectonics
19. Geometry, Kinematic and dynamic analysis of Bamu fault zone in north of Shiraz, Zagros Folded Belt Zone

Ali Bandegani; Ali Yassaghi; Mohsen Eliassi

Volume 30, Issue 118 , Winter 2021, Pages 215-224


  In this paper, the structural evolution of Bamu fault zone located in the Zagros folded belt zone is presented as an example of northeast-trending fault zone in the Zagros, using the kinematic and dynamic analysis of accompanied structures. Based on structural and paleostress analyzes two phases of shortening ...  Read More

Original Research Paper Petrology
20. Application of mineral chemistry of biotite and orthopyroxene in investigation of tectono-magmatic condition of enclaves of Alvand plutonic body and their host rocks

sara shakiba; ali asghar sepahi; Mohammad reza Ghasempour; kazu nakashima

Volume 30, Issue 118 , Winter 2021, Pages 225-240


  Alvand plutonic body is one of the largest intrusive plutons in northern part of Sanandaj-Sirjan zone which is located in south of Hamadan city. It is composed of porphyroid and leucocratic granitoids, basic intrusive rocks, and abundant enclaves in various sizes and in a variety of forms. Biotites of ...  Read More

Original Research Paper Stratigraphy and Palaeontology
21. Biostratigraphy correlation of the Sarvak and Ilam Formations in middle restricted Dezful embayment, Southwest of Iran

Behzad Saeedi Razavi; mozhgan rikhtehgarzadeh; saeedeh senemari

Volume 30, Issue 118 , Winter 2021, Pages 241-254


  In order to study the biostratigraphy of Sarvak and Ilam in wells A1 and A2 of Binak oilfield, B of Gachsaran oilfield, C of Aghajari oilfield and D of Rag-Sefid oilfield, numerous thin sections have been studied microscopically In the biostratigraphic study of 5 biozones in the Sarvak and Ilam formations, ...  Read More

Original Research Paper Tectonics
22. Structural analysis of the South Nataz Region, evidence for interaction of the dextral transpression on earlier thrust faults in central Iran

Firouzeh Shavvakhi; Saeed Madanipour; Ebrahim Rastad

Volume 30, Issue 118 , Winter 2021, Pages 255-268


  South Natanz Area is structurally located in the western part of the Central Iranian structural zone and central part of the Orumieh-Dokhtar magmatic belt at southwestern termination of the Qom-Zefreh Fault. Our structural data represents older generation of E-W to NW-SE thrust faults as Fasakhod Fault ...  Read More