Volume 32 (2022)
Volume 31 (2021)
Volume 30 (2020)
Volume 29 (2020)
Volume 28 (2019)
Volume 27 (2018)
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
Mineralogy and REEs geochemistry of kaolinized zones of the Goorgoor area, North of Takab, NW Iran

A. Abedini; A. Oroji; A. A. Calagari

Volume 26, Issue 102 , March 2017, Pages 3-14


  Thekaolinizedzonesof the Goorgoor area (north of Takab, West-Azarbaidjan province) are alteration products of andesitic rocks of Miocene age in northwest of Iran. Based on the mineralogical studies, kaolinite, quartz, jarosite, montmorillonite, albite, muscovite-illite, anatase, chlorite, orthoclase, ...  Read More

Original Research Paper
The geochemical nature of serpentinites from the Mashhad mafic-ultramafic complex as an evidence for Palaeotethys oceanic crust subduction in NE Iran

K. Mohammadiha; M. Moazzen; U. Altenberger; R. Hajialioghli

Volume 26, Issue 102 , March 2017, Pages 15-26


  The Mashhad ultramafic complex with a Permo-Triassic stratigraphic age is exposed at the NE of Binaloud Mountain and at the vicinity of the Mashhad city. This area is mainly composed of mafic and ultramafic rocks, metamorphosed carbonate and pelitic rocks and granitoids with a NW- SE trend. Serpentinized ...  Read More

Original Research Paper
Thick-skinned dextral transpression in Takab complex, NW Iran

M Biralvand; M Mohajjel; M.R Ghassemi

Volume 26, Issue 102 , March 2017, Pages 27-38


  In this study, brittle deformation in Takab complex is discussed. Deformation in the Takab area has been controlled by two sets of major faults. The first set is characterized by NNW-SSE trending steeply-dipping dextral strike-slip faults with reverse component. The second set includes WNW-ESE trending ...  Read More

Original Research Paper
Cathodoluminescence, micro thermometry and laser raman spectroscopy studies on hydrothermal quartz in Latala deposit, Central Iran

F Padyar; M Rahgoshay; S Alirezaei; M Pourmoafi; A Tarantola; O Vanderhaeghe; M Caumon

Volume 26, Issue 102 , March 2017, Pages 39-52


  The Latala base and precious metals deposit is hosted by quartz veins, associated with a porphyry pluton intruded into a Cenozoic volcanic sequence. Euhedral quartz with sulfide mineralization such as pyrite, chalcopyrite, galena and sphalerite, with minor sulfosalts occurs in these veins as open space ...  Read More

Original Research Paper
The study of Permian system in Baghvang section S. Shirgesht area (Central Iran)

M.R Partoazar; B Hamdi; S.A Aghanabati

Volume 26, Issue 102 , March 2017, Pages 53-62


  Foraminiferal contents of the Permian strata of the Kuh-e Baghvang in central Iran has been investigated. The section is located some 45Km Northwest of Tabas and south of Shirgeshtvillage. The Permian deposits of the Jamal Fm. with a thickness of 270 meters are underlain by the Sardar Fm. disconformably ...  Read More

Original Research Paper
Active faulting, earthquakes and structural evolution related to double step-over (case study of Mohammadabad in eastern Iran)

M.A Alimi

Volume 26, Issue 102 , March 2017, Pages 63-72


  The sequence of seismicity including three earthquakes in the Mohammadabad region, eastern Iran, within a period of 30 years has made it one of the most outstanding seismically active regions in the country. The Mohammadabad fault system is described using earthquake and satellite imagery data to support ...  Read More

Original Research Paper
Mineral chemistry and geochemistry of lamprophyric dykes in the Sungun Cu - Mo porphyry deposit (Varzaghan- Northwestern Iran)

A Kamali; M Moayyed; N Amel; M.R Hosainzadeh

Volume 26, Issue 102 , March 2017, Pages 73-90


  Sungun Cu-Mo porphyry deposit is located in East Azarbaijan province and at northwest of Iran. From the petrology viewpoint, the Sungun copper mine is consisted of porphyry Sungun (SP), and eight categories of delayed dykes made of  quartz-diorite (DK1 (a, b, c)), gabbro-diorite (DK2), diorite (DK3), ...  Read More

Original Research Paper
Biostratigraphy of the Eocene carbonate deposits in the eastern part of the central Iran (Torbat-e-Jam area): stratigraphic significance of Nummulites perforatus and calcareous nannofossils

H Mosaddegh; M Hadi; M Parandavar

Volume 26, Issue 102 , March 2017, Pages 91-100


  The Eocene marine deposits in the Chenarbu section in Torbat-e-Jam region (eastern part of Central Iran Zone) have been biostratigraphically studied based on large benthic foraminifera coincide with Shallow Benthic Zones (SBZ) and Calcareous Nannofossils, according to standard worldwide zones (NP). This ...  Read More

Original Research Paper
Depositional environment and sequence stratigraphy of the Jeirud Formation in Deh-Sufian section, central Alborz

M Khazaee; M Hosseini-Barzi; A Sadeghi; H Mosaddegh

Volume 26, Issue 102 , March 2017, Pages 101-116


  The Jeirud Formation (Upper Devonian) in Deh-Sufian section of northeast of Shahmirzad consists of siliciclastic and carbonate deposits. In the study area lower boundary of the Jeirud Formation with fine grain clastic deposits of the Mila Formation is erosional (Disconform) and has been conformably overlain ...  Read More

Original Research Paper
Petrogenesis, geochemistry, fluid inclusions and the role of the subvolcanic intrusives in genesis of copper at Chahmora deposit, North of Torud, Semnan

M Bahrampour; M Lotfi; A Akbarpour; E Bahrampour

Volume 26, Issue 102 , March 2017, Pages 117-136


  The Chahmora copper deposit is located at South west of Shahrud, within the Torud-Chahshirin   magmatic arc. Mineralization in the Chahmora area occurred within volcanic units of Eocene. Based on field and laboratory investigations, the outcropped rocks in the Chahmora deposit are andesite, ...  Read More

Original Research Paper
Application of EN-SAW and ANP multi-criteria decision making methods in geology: reactivation hazard assessment and ranking of Iranian stratovolcanoes as a case study

A Khaiatzadeh; A Abbasnejad

Volume 26, Issue 102 , March 2017, Pages 137-146


  Multi-Criteria Decision Making methods have progressed extensively in the past decades and have been applied in various disciplines. Application of them in different fields of geology, especially in assessment of geological hazards which are usually multi-criteria in character, can be very helpful. Studies ...  Read More

Original Research Paper
Love wave tomography of the Makran subduction zone from ambient seismic noise

M Abdetedal; Z.H Shomali; M.R Gheitanchi

Volume 26, Issue 102 , March 2017, Pages 147-152


  The Makran zone in southeastern Iran and southern Pakistan is the result of subduction of oceanic crust of the Arabian Plate under the Eurasian Plate. From seismic behavior point of view, there is a distinct segmentation between the western and eastern parts of the subduction zone. The western part of ...  Read More

Original Research Paper
Petrography and mineral chemistry of amphibolitic fragments in the south of Nain Ophiolite skarns, Central Iran

N Shirdashtzadeh; G Torabi; R Samadi

Volume 26, Issue 102 , March 2017, Pages 153-164


  Some dark green fragments of amphibolites are found within skarns at the south of Nain Ophiolite at the northeast of Nain city. They are similar to ortho-amphibolites (metamorphosed basic rocks) of this ophiolite in hand specimen, but mineralogically they are composed of amphibole (magnesio-hornblende, ...  Read More

Original Research Paper
SW Sorkh-Kuh copper vein, Lut block, Eastern Iran: mineralization, fluid inclusions and oxygen stable isotopes studies

A Hosseinkhani; M.H Karimpour; A Malekzadeh Shafaroudi

Volume 26, Issue 102 , March 2017, Pages 165-176


  The SW Sorkh-Kuh area makes part of the Tertiary volcanic-plutonic rocks in the west of the Lut Block, SW of Birjand city. Geology of this area consists of andesitic and basaltic volcanic rocks intruded by hornblende diorite, hornblende microdiorite, hornblende diorite porphyry, hornblende quartz diorite ...  Read More

Original Research Paper
Investigation of middle and late Miocene flyschoid of east Afzalabad (North Birjand) based on calcareous nannofossils

F Jalili; F Hadavi; B Rahimi; A.R Khazaei

Volume 26, Issue 102 , March 2017, Pages 177-184


  In this research, biostratigraphy of a stratigraphic section in the east Afzalabad section in Lut Block (part of flyschoid basin in East Iran) were investigated based on calcareous nannofossils. Nineteen genera and 52 species of calcareous nannofossils were identified based on which  the studied ...  Read More

Original Research Paper
Tectonic stress and kinematic analyses of the Ghir fault zone, Zagros, Iran

Kh Sarkarinejad; B Zafarmand

Volume 26, Issue 102 , March 2017, Pages 185-196


  The Ghir fault zone is a thrust zone in the Zagros foreland folded belt that is located in the south of Sabz-Pushan shear zone and southeast of the Kar-e-Bas strike-slip fault zone. It is a moderately-dipping fault zone oriented parallel to the general trend of folds and thrusts in the Zagros foreland ...  Read More

Original Research Paper
Aquifer geometry of Sahneh-Bisetun plain based onmorphotectonic and active faulting, Kermanshah province, Iran

Sh Chizari; H Nazari; A.R Karimi Bavandpur; M Fotovat; M Malek Mahmudi

Volume 26, Issue 102 , March 2017, Pages 197-206


  The NW-SE trendingSahneh-Bisetun Plain is located in the northeast of the Kermanshah province, and is extendedmore or less sub-parallel with the Zagros structural zone. The proximity of this plain with the Main Recent Fault (MRF) makes its study more important. In this study, in addition to the identification ...  Read More

Original Research Paper
Petrography, origin and magmatic evolution of Khunrang intrusive complex, northwest of Jiroft, Kerman

S Sedighian; S Dargahi; M Arvin

Volume 26, Issue 102 , March 2017, Pages 207-220


  Khunrang intrusive complex, as a one of the largest complexes in the southern part of the Sanandaj-Sirjan zone, is located at northwest of Jiroft, in Kerman province. The complex mainly consists of acidic-intermediate rocks such as diorite, quartzdiorite, tonalite, granodiorite, and granite with subordinate ...  Read More

Original Research Paper
Petrogenetic evolution and tectonic environment of the harzburgites from Ab-Bid ultramafic complex (East of Hadji-Abad, Hormozgan province)

M Mohammadi; H Ahmadipour; A Moradian

Volume 26, Issue 102 , March 2017, Pages 221-232


  Ab-Bid ultramafic complex in the north of Hormozgan province is a part of Hadji-Abad-Esphandagheh ophiolitic belt. Harzburgite forms more than 90 volume percent of the complex and lherzolite, dunite, pyroxenite and chromitite are the other lithologies. The harzburgites occur as massive non-layered outcrops ...  Read More

Original Research Paper
Facies analysis and stratighraphy position of carbonate-clastic hosted Zn-Pb-Ba mineralization horizons in the early Cretaceous sedimentary sequence, Southern Yazd basin

S Maghfouri; M.R Hosseinzadeh; R Rajabi; A.M Azimzadeh

Volume 26, Issue 102 , March 2017, Pages 233-246


  The early Cretaceous sedimentary sequence in south of Yazd hosts numerous Zn-Pb-Ba mineralization horizons. The sequence based on the stratigraphic position, age and composition of the rocks, can be divided into tree lower, middle and upper parts. The lower part or Sangestan formation mainly formed from ...  Read More

Original Research Paper
Quaternary state of stress in the Mahneshan‌–‌Mianeh sedimentary basin, NW Iran

M Aflaki; E Shabanian; Z Davoodi

Volume 26, Issue 102 , March 2017, Pages 247-256


  Mahneshan­­–­­Mianeh Cenozoic basin, in southern part of SE­–­­termination of North Tabriz Fault, is located between two distinct NW and N Iran tectonic domains affected by different Quaternary tectonic and stress regimes, with a transitional boundary. Determining ...  Read More

Original Research Paper
Evaluation of Late Campanian‒Early Maastrichtian surface water nutrients of the Gurpi Formation, Gurpi anticline: evidence from calcareous nannofossils

A Mahanipour; A Najafpour; M Dastanpour

Volume 26, Issue 102 , March 2017, Pages 257-266


  Calcareous nannofossils have been investigated at the lower part of the Gurpi Formation at the southwest of Gurpi anticline. According to the index calcareous nannofossils CC22/UC15eTP to CC24/UC18 bio-zones have been identified and the age of Late Campanian ‒ Early Maastrichtian is considered for ...  Read More

Original Research Paper
Application of probabilistic methods in landslide hazard zonation mapping (Case study: Doab Samsami region in Chaharmahal and Bakhtiari Province)

M Mansouri; K Shirani; A. Ghazifard; S. N. Emami

Volume 26, Issue 102 , March 2017, Pages 267-280


  In this research, two probabilistic methods (i.e., weight of evidence and index of entropy models) are used to perform landslide hazard zonation mapping in Doab Samsami region in Chaharmahal and Bakhtiari Province. For this purpose, ten landslide-conditioning factors (i.e., slope gradient, slope direction, ...  Read More

Original Research Paper
Cr-Spinel mineral chemistry and tectonic setting of LerdGarme-Paein peridotites in the East of Hajiabad, SE Iran

M Poosti; R Mohammadi Poortaziyani; H Hajhasani; S.M Mortazavi Ravari

Volume 26, Issue 102 , March 2017, Pages 297-302


  The LerdGarm peridotite complex is one of the ultramafic complexes in south-east Iran . This complex is composed mainly of harzburgite dunite, lherzolite, and secondary listvenite and magnesite. The detailed electron microprobe study revealed very high Cr # (39.9-64.0), Mg # (51.2-65.63) and very low ...  Read More

Original Research Paper
Separation of paleostress phases using fault slip data in the Khalkhal region

R Sadeghi; A Saidi; M Arian; M Ghorashii

Volume 26, Issue 102 , March 2017, Pages 297-302


  In this study, separation of paleostress phases in the Khalkhal region has been doneusing paleostress analysis based on heterogeneous fault slip data and related slip lineations.The data have been measured and collected from the Jurassic, Cretaceous and Eocene units.To determine the sense of shear or ...  Read More

Original Research Paper
Zircon U-Pb geochronology and Lu- Hf and O isotopes of the metamorphosed intrusive rocks from SW Salmas

F Kozekoulani; M Rahgoshay; H Shafaii Moghadam

Volume 26, Issue 102 , March 2017, Pages 303-312


  Intrusive rocks from SW Salmas include mafic-intermediate and acidic rocks, which occur in the border of Sanandaj-Sirjan and Urmia-Dokhtar zones in Northwest of Iran. The mafic-intermediate rocks comprise metadiorite and metagabbros that are the oldest rocks in the region. The acidic rocks include metagranite ...  Read More

Original Research Paper
Mineralogy and rare earth elements geochemistry of Jeirud phosphate deposit in Shemshak valley, north Tehran

S.J Moghaddasi

Volume 26, Issue 102 , March 2017, Pages 324-313


  Jeirud phosphate deposit is located about 45 km north of Tehran, in the central part of the Alborz geological-structural zone. This deposit is occurred in Jeirud Formation, which is one of the major hosts of phosphate deposits in Iran. Jeirud phosphate deposit is composed of several phosphatic sandstone ...  Read More

Original Research Paper
Progressive metamorphism in metapelites of the Deh-Salm metamorphic complex, east of the Lut block according to garnet-biotite thermometry

E Bahramnejad; S Bagheri; A Ahmadi; A Zahedi

Volume 26, Issue 102 , March 2017, Pages 325-338


  The Deh-Salm metamorphic complex, including the various types of metamorphic rocks and a north-south trending sequence of the index-mineral zones, crops out associated with the felsic plutonic rocks in the eastern margin of the Central Iranian micro-continent, between the Sistan suture zone and the Lut ...  Read More

Original Research Paper
Depositional environment, electrofacies and sequence stratigraphy of the Fahliyan Formation (lower Cretaceous), Abadan plain

A Ramezani Akbari; H Rahimpor-Bonab; M.R Kamali; R Moussavi-Harami; A Kadkhodaie

Volume 26, Issue 102 , March 2017, Pages 339-350


  The Fahliyan Formation of Khami Group is hosting important hydrocarbon reserves in Iran and also is a main reservoir rock in the Abadan Plain oil fields which is Neocomian in age. In the studied wells its thickness is about 440 meters. In the Abadan Plain, the Fahliyan Formation transitionally overlies ...  Read More