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)
Crustacean Microcoprolites from the Upper Jurassic – Lower Cretaceous of the Northern East and East Shiraz (Fars Province)

F. Rostami; V. Ahmadi

Volume 22, Issue 86 , December 2012, , Pages 131-134


  In this research two stratigraphic sections of Lower Cretaceouse to Upper Jurassic sedimentary (Surmeh and Fahliyan Formation in Folded-Zagros Zone) have been selected. Based on microfacies studies (in 400 thin-sections) three species of Ichnofossils microcoprolites from Crustaceans related as the Follow: ...  Read More

Lithostratigraphy and Biostratigraphy of the Dalichai Formation at Talu (Northeast Damghan, Alborz) based on Ammonoids

K. Seyed Emami; N. Behfar; M. R. Majidifard; A. Behfar

Volume 21, Issue 82 , December 2011, , Pages 39-52


  Middle Jurassic strata are well developed northeast of Damghan (E Alborz). At the study section the Dalichai Formation has a maximum thickness of 156 m, consisting of an alternation of bluish-grey limestones and marls, being subdivided into 4 members. The lower boundary with the siliciclastics of the ...  Read More

Introduction to Permian Microfossils in Aru and Bibi Shahrbanoo Area (Albourz)

R. Shabanian

Volume 21, Issue 81 , December 2011, , Pages 37-44


  The Permian sequences of Aru and Bibishahrbanoo sections comprise the Dorud, Ruteh and Nesen formations respectively. A precise dating of the formations was provided based on the analysis of smaller foraminifers and fusulinid assemblages. The clastic Dorud Formation refered to Asselian and Sakmarian ...  Read More

Crustal Structure of Iran from Joint Inversion of Receiver Function and Phase Velocity Dispersion of Rayleigh Waves

Mohammad Tatar; M. Tatar; A. Kaviani

Volume 21, Issue 82 , December 2011, , Pages 83-94


  Crustal structure of the Iranian plateau which is located between two convergent Arabian and Eurasian plates is studied.  Teleseismic earthquakes recorded by broad band stations of Iranian National Seismic Network (INSN) are used to compute the receiver functions for each station. Rayleigh wave ...  Read More

Metalogenic Properties of Barik-Ab Pb-Zn (Cu) Ore Deposit with Acidic Tuff Host-Rock, west Central Alborz, Northwest of Iran

K. Bazargani-Guilani; M. Parchekani

Volume 20, Issue 78 , December 2011, , Pages 97-104


  Barik-Ab Pb-Zn (Cu) ore deposit located in 2 km for front Barik-Ab village in north of Abhar town, south eastern of Zanjan province. According to the geological classification of Iran , this area located in Taroum mountains and is a part of west Alborz range , Alborz-Azarbaidjan zone or west of central ...  Read More

Geotourism and Their Potential Assessment in Qaflankuh Area, Myaneh, NW Iran, Using Mathematical Target Model

A. Kamali; M. Moayyed; M. Jahanbakhsh Ganjeh; H. Pirooj; M. Jokar; A. Ameri

Volume 21, Issue 82 , December 2011, , Pages 121-132


  The studied area is located at southeast of Myaneh, in east Azarbaijan province. The tourism industry, especially geotourism is a new approach for improving of coexistence of human and nature, in order to make economic benfites is nowadays very important for local development. By evaluation of natural ...  Read More

Introuduction and Study of Nezhad Afzali Mudvolcanoe Site, Gatan Mudvolcanoes and Geotourism Significance of Them(Jask)

K. Nezhadafzali; R. Lak; M. Sarvati; F. Bayatani

Volume 21, Issue 82 , December 2011, , Pages 207-214


  Mud volcanoes are natural and site-seeing phenomena in the world, particularly in the Alps and Himalayas belts.  Mud volcanoes usually appear in form of a dome or a pool. The mud volcanoes comprise water, gas and mud. with plenty of applications, like tourism, mud therapy, supplying of essential ...  Read More

Determination of Desert Areas in Iran on the Bases of Geological Effected Factors

M. Khosroshahi; F. Mahmoudi; M. T. Kashki

Volume 20, Issue 80 , January 2011, , Pages 15-22


  In this article, we try to study deserts of Iran on the basis of geological specifications with the help of 1:100000, 1:250000 scaled maps of G.S.I and N.I.O.C using Geographical Information System (GIS) methodology. Then quaternary and evaporate formations in every study province were recognized. Saline ...  Read More

The Survey of Physical-Chemical Environment in Sungun Copper Porphyry Deposit with the Using of Minerals Properties in the Copper Porphyry Deposits (North East of Tabriz)

M. Mohamadian; M. Boomeri; A. Ahmadi; A. A. Moridi Farimani; H. Daglas; M. Jamali

Volume 20, Issue 79 , January 2011, , Pages 47-54


  Sungun Porphyry Copper Deposit is located about 130 km to the northeast of Tabriz, northeast Iran. This deposit contains 796 million tons of ore with 0.61% Cu, 0.01% Mo, 0.016 ppm Au, 9.75 ppm Bi and Re (0.09 wt% of molybdenite). This research studies the physico-chemical environment using the chemical ...  Read More

Provenance of the Givetian-Frasnian Sandstones in the Kuh-e-Tizi Section (Northeastern Kerman), Central Iran

S. H. Hejazi; M. H. Adabi; S. R. Moussavi Harami

Volume 20, Issue 79 , January 2011, , Pages 157-164


  The Givetian-Frasnian sandstones in the Kuh-e-Tizi section (25 km NE Kerman), unconformably overlie the Upper Cambrian Kuhbanan and underlie the Lower Carboniferous Hutk Formations respectively, in southeastern Central Iran. Petrographical data show that these sandstones are well-sorted, sub-angular ...  Read More

The Significance of Parameters Used for Self-Organized Tectonic Zoning of Iran

Ahmad Zamani; S. Farahi Ghasre Aboonasr

Volume 20, Issue 79 , January 2011, , Pages 165-170


  The Iranian plateau is one of the active tectonic regions on the earth. Non-uniformly distribution of deformation and repetitive activity of faults have cause a complex pattern of tectonic and seismotectonic activity of Iran. Therefore, in order to study the seismic and geological behaviors of different ...  Read More

Application of Structural Attributes in Petroleum Exploration and Development of an Interference Belt

A. Arzani; S.A. Alavi; M. Pooladzadeh; A.R. Golalzadeh; Z. Mehdipoor

Volume 19, Issue 74 , February 2010, , Pages 51-56


  The area that will be discussed in this study is located between Zagros and Arabian structural zones in Iran in which full fold 3D seismic data has been acquired and interpreted using sophisticated techniques. This paper covers the role of structural sensitive seismic attributes including first and Second ...  Read More

Estimating Slip Rates of Faults around Bam and their Application in Evaluation of Earthquake Hazard

M. Talebian; S. H. Tabatabaei; M. Fattahi; M. Ghorashi; A. Beitollahi; A. Ghalandarzadeh; M.A. Riahi

Volume 19, Issue 74 , February 2010, , Pages 149-156


  The Iranian plateau lies between the Arabian and Eurasian plates and accommodates approximately 22 mm/yr of N-S shortening.  About 9 mm/y of this shortening is taken up by folding and thrusting in the Zagros while the remaining 13 mm/yr is taken up in the Alborz and Kopeh-Dagh. The Central Iran ...  Read More

Experimental Simulation of Collision Zones and Formation of Fold-Thrust belts in Method of Analogue Modeling

S. Khederzadeh; A. Bahrodi

Volume 20, Issue 77 , January 2010, , Pages 17-24


  Sand box models are in order to investigation of circumstance of deformation create in orogenic event. Progressive rigid indenter is as non-plastic continental crust that moves from one side to ward sand hanging wall that is indication plastic crust. The sand primery thickness and angle of rigid indenter ...  Read More

Introducing Rudist of Tarbur Formation, Semirum and Khorramabad Sections

I. Maghfouri Moghaddam

Volume 20, Issue 77 , January 2010, , Pages 63-66


  Rudists of the Tarbur Formation, in 7 km southwest of Semirum and 10 km north of Khorramabad, have been studied. Paleontological studies indicate that the age of the Tarbur Formation in both sections is Masstrichtian, and has a rich macrofossil fauna of rudist. The important types of rudist include Radiolites, ...  Read More

Various stages of Sulfide Mineralization in Sargaz Volcanogenic Massive Sulfide Deposit, Northwest Jiroft, Southern Sanandaj-Sirjan

zahra badrzadeh; M. Sabzehei; E. Rastad; M. H. Emami; D. Gimeno

Volume 19, Issue 76 , January 2010, , Pages 85-94


  The Sargaz massive sulfide deposit is situated near Jiroft (south-east Kerman), in the southern Sanandaj-Sirjan Zone. The host rocks are Upper Triassic to lower Jurassic(?) pillow basalt. The occurrence of mineralization in basaltic to basaltic andesite, the existence of Jaspilite and Fe-Mn horizons ...  Read More

Biostratigraphy of Surmaq and Julfa Formations Harzand Village Stratigraphic Section (North of Marand) Based on Foraminifera

R. Shabanian; M. Parvanehne-Nezhad Shirazi; F. Javadinia

Volume 20, Issue 77 , January 2010, , Pages 141-150


  The detailed stratigraphical and lithological analysis of the Permian sequence in north Marand, NW of Iran at Harzand village has been studied . At this locating the Permian sequence consist of Dorud (82 m..)  Surmaq (258 m..) and Julfa (108 m.) formations respectively. The main lithology consist ...  Read More

Mineralogy Studies of Mehdiabad Zinc-Lead Deposit- Yazd, Central Iran

M. Ghasemi; M. Momenzadeh; A. Yaghubpur; A. A. Mirshokraei

Volume 19, Issue 73 , January 2009, , Pages 89-98


  Mehdiabad Zn-Pb-Ba deposit is located 110 km south-east of Yazd, in the Central Iran structural zone. The stratigraphic succession consists of three sedimentary formations of lower Creataceous age. The Sangestan formation, the lowest unit of shale and siltstone with calcarenitic interbeded layers. This ...  Read More

Preliminary Results of Long Term Strength of Lithosphere in the Zagros Mountains of Iran: Insight from Mechanical Modeling

H. R. Nankali; B. Vosoughi; F. Soboutie; K. Hessami; M. Talebian

Volume 19, Issue 73 , January 2009, , Pages 164-176


  A three-dimensional lithosphere model with horizontal dimensions of 1500 km×600 km and a depth extent of 70 km for the Zagros is constructed from available geophysical data to find out strength of the outermost layers in this area. The structural boundaries of the model are based on the results ...  Read More

An Assessment of the Spatial Variation of the Seismic b-Value across Iran

N. Hashemi

Volume 18, Issue 72 , January 2009, , Pages 186-187


  This paper presents a study of the spatial variation of Gutenberg-Richter seismic b-value over the Iranian region. For this purpose, based on the works carried out by investigators for tectonic and seismotectonic zoning of Iran, the region subdivided into five structural zones, namely, Alborz-Kopet Dagh ...  Read More

Kinematic and Geometry of the Taleghan Active Fault: On the Basis of Morphotectonics Studies, (Central Alborz, Iran)

H. Nazari; J-F. Ritz

Volume 18, Issue 71 , January 2009, , Pages 173-177


  The Taleghan Fault is located at the southern side of Taleghan valley in Central Alborz, 50 km north west of the Tehran mega city. Usually described as a south-dipping reverse fault, it could be the source of some of the strongest historical earthquakes recorded in the Tehran region, notably the 958 ...  Read More

Introducing of Calpionellid Zonation at the Jurassic-Cretaceous Boundary in the Shal Section (South-East of Khalkhal)

R. Azimi; K. Seyed-Emami; A. Sadeghi

Volume 17, Issue 68 , February 2008, , Pages 16-25


      The calpionellid biozonation within Shal and Kolur Formations in Shal region, SE Khalkhal are accomplished based on standard biozonation of Allemann et al. (1977).  In this study, 5 biozones are introduced from Tithonian to Hauterivian:biozone. Biozone 1 belongs to Shal Formation ...  Read More

The Role of Uniserial Foraminifers in Dating of Middle and Late Permian Carbonate Sequences

R. Shabanian; D. Vachard

Volume 18, Issue 69 , February 2008, , Pages 20-33


        Carbonate sediments of Permian age crops out in different parts of Iran. based On the foraminiferal content, they are attributed to Bolorian (?) ,Kubergandian to Dorashamian stages.These biogenetic limestone have plenty of Fusulinaceaa, non-fusulinid smaller foraminifers ...  Read More

Petrogenesis, Geodynamics and Radiometric Age Dating of Safakhaneh Mass, Northwest of Iran

M. H. Kholghi; M. Vossoughi Abedini

Volume 17, Issue 66 , February 2008, , Pages 24-39


       Safakhaneh batholith, situated at 47 km southwest of Shahin Dezh, northwest of Iran, is located in the central Iran structural zone intersecting the Cretaceous rocks. The absolute age of the batholith, determined for the first time by K – Ar method, has been calculated ...  Read More

Petrology, Geochemistry and Tectonomagmatic Setting of the Silijerd Intrusion, Northwest Saveh

H. Ghasemi; A. Ramazani; A. Khanalizadeh

Volume 17, Issue 67 , February 2008, , Pages 68-85


          Silijerd intrusion with an age of Late Eocene – Oligocene (39.23.2 Ma) is located in Uromeyeh-Dokhtar magmatic arc, central Iran structural zone, northwest Saveh. This intrusion is composed of a continuous compositional range including: diorite/gabbro, ...  Read More