Volume 33 (2023)
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)
Mineral chemistry, thermobarometry KoheSiah volcanic complex,using the mineral chemistry of amphibole-biotite (North East Qorveh, Kurdistan )

somaye kazemi koohbanani; seyed jamal sheikh zakariai; mohammad hashem emami; Rahim Dabiri

Volume 28, Issue 112 , August 2019, , Pages 23-32


  KoheSiah volcanic complex is in north east of Qorveh in the Kurdistan province and in Sanandaj-Sirjan zone.The age of the studied region rocks are related to the quaternary time. Set volcanic cone with a crater that has been identified as unspecified and are an average height of 2157 meters above sea ...  Read More

New discovery on Ediacaran fossils from the Kushk Series in Bafq and Behabad regions, Central Iran

Seyed Hamid Vaziri; Mahmoud Reza Majidifard; Marc Laflamme

Volume 28, Issue 112 , August 2019, , Pages 261-268


  The Precambrian Kushk Series in the Bafq and Behabad regions of Central Iran contains a diverse assemblage of latest Ediacaran fossils that showcase a fossil assemblage much more diverse than typically known from the latest Ediacaran systems worldwide. The Kushk Series reaches a thickness of >500 ...  Read More

Structural deformations of Dona mine

Saeid Hakimi Asiabar

Volume 28, Issue 110 , December 2018, , Pages 235-246


  Abstract The area of Dona mine is a part of central Alborz. The Dona anticline is a part of pop up structure and located between Kandavan and Azadkuh thrust faults. In this research three sets of major faults are recognized. The first category of faults with W-E trend, dip 40-50, Rake angle more than ...  Read More

Economic Geology
Sulfur isotope variations of sulfide minerals in porphyry systems of the Meiduk cluster, Kerman Cenozoic magmatic arc, southeastern Iran

Hadi Mohammaddoost; Majid Ghaderi; Jamshid Hassanzadeh

Volume 27, Issue 107 , June 2018, , Pages 3-16


  Sulfur isotope data on pyrite, chalcopyrite and molybdenite in the A, B and D type veinlets in porphyry systems of the Meiduk cluster, located in northwestern part of the Kerman copper belt, show that these systems have near zero δ34S values. Sulfur isotope composition for the Chah-Firouzeh and ...  Read More

Geochemistry of major, trace and rare earth elements in bed-sediments of Urmia lake

S. Alipour; Kh. Mosavi-ovenlegi; E. Hosseini; Sh. Aslanpour; Z. Haseli

Volume 27, Issue 107 , June 2018, , Pages 51-62


  The Urmia Salt Lake as the largest hyper saline lake of the world is located between west and east Azerbaijan provinces, NW Iran. Geochemistry of trace and rare earth elements of bed sediments taken from 25 Cm of the lower most of 1.5 meters depth  of drilled holes in 130 samples between 2014-2015 ...  Read More

The comparison of effective variables and methods in water inflow into hard rock tunnels (Case study: Karaj dam-Tehran water conveyance tunnel)

M. Morsali; M. Nakhaie; M. Rezaie; H. R. Naseri; J. Hassanpour

Volume 27, Issue 107 , June 2018, , Pages 113-122


  Tehran- Karaj water conveyance tunnel (part 1), 16 kilometers in length, in the Karaj formation was excavated in order to convey the water from the Amir-Kabir dam to the Tehran refinery plant. The hydrogeology studies of the Karaj tunnel were done to discover the affecting parameters on the groundwater ...  Read More

geology, petrography, mineralization and fluid inclusion studies in the mesgarabad exploration area, southeast of tehran

M Norouzi; M. Lotfi; M. H. Emami; H. Jamali; A. Abedini

Volume 27, Issue 106 , March 2018, , Pages 243-256


  Mesgarabad area is located in ~10 km southeast of Tehran, the Central- Alborz structural zone (CASZ) of Iran. The rock units exposed in the area consist of Eocene volcanics, volcano-sedimentary and sedimentary rocks intruded by post upper Eocene granodiorite to quartz monzo-diorite. These subvolcanic ...  Read More

Rare earth elements geochemistry of alteration system of the Basir-Abad area, Northeast of Ahar, NW Iran

A Abedini

Volume 26, Issue 101 , December 2017, , Pages 173-182


  The Basir-Abad area (northeast of Ahar, East-Azarbaidjan province) is a part of the Cenozoic Ahar-Arasbaran magmatic belt in northwest of Iran. Intrusion of granitic and granodioritic igneous rocks of Oligocene age into the Eocene volcanic rocks (andesite, trachy-andesite, andesi-basalt and basalt) resulted ...  Read More

Devonian fish remains from Illangareh and peyr-es-hag sections, North West Iran

S Abbasi; B Hamdi; M.R Majidifard

Volume 26, Issue 101 , December 2017, , Pages 277-286


  Sampling and study of Devonian deposits in North West Iran has done in two separate sections. 1) Illangareh section, 20 km far from NE the Maku city 2) peyr-es-hag composite section, situated South Jufa (W of Peyr-es-hag and Chay kasan villages). Because less work has been undertaken in the cited sections, ...  Read More

Eocene Masjeddaghi porphyry Cu-Au deposit; an example of island arc porphyry type deposit in NW Iran

S Hassanpour; S. Alirezaei

Volume 26, Issue 104 , September 2017, , Pages 43-58


  The Masjeddgaghi Cu-Au deposit is located to the southeast of the Arasbaran zone, NW Iran, to the south of the Lesser Caucasus. Mineralization in Masjeddaghi is associated with an Eocene dioritic subvolcanic pluton intruded into older volcanic and sedimentary rocks. The Masjeddaghi intrusive body is ...  Read More

Economic Geology
Ore mineralization and fluid inclusion and sulfur isotope studies on the Shekarbeig deposit, southwest Mahabad, Sanandaj–Sirjan Zone

A. Baharvandi; M. Lotfi; M. Ghaderi; M. R. Jafari; H. A. Tajeddin

Volume 26, Issue 103 , June 2017, , Pages 201-218


  Shekarbeig barite deposit is located 46 km southwest of Mahabad in northwestern part of the Sanandaj-Sirjan zone. The outcropped rock units in the area are Late Protrozoic metamorphosed volcano-sedimentary rocks, equivalent to Kahar Formation. The main ore mineral occurs as stratiform barite lenses in ...  Read More

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

Processing and Interpretation of Aeromagnetic Data for Determination of Magnetic Structures and Buried Faults in Iran

A Amirpour Asl Miandoab; Q Sohrabi

Volume 25, Issue 97 , December 2016, , Pages 115-122


  In this study, horizontal gradient and analytic signal methods have been applied to the reduced aeromagnetic data poled to Iran, to explore subsurface structures in the region. By using these two methods, it is possible to present a map of major geologic-magnetic structures especially large-scale faults ...  Read More

Mineral chemistry, thermobarometry and genesis of Clinopyroxenes in dyke swarm of northeast of meshkinshahr, NW Iran

M Fadaeian; A Jahangiri; M Moayyed

Volume 25, Issue 100 , September 2016, , Pages 19-36


  The study area is located in the Ardabil province and in the north east of Meshkinshahr city.More than 200 small and large Eocene age dykes have outcrops in this area with basaltic, tephritic, andesitic and trachy andesit composition. Clinopyroxene, plagioclase, analcime and sometimes coarse olivine ...  Read More

Conodonts Biostratigraphy of Mila Formation, Shahmirzad Section, Central Alborz, Iran

S Soleymani; B Hamdi; A.R Karimi Bavandpur

Volume 25, Issue 98 , March 2016, , Pages 137-146


  The studied section is located in the southern flank of the Central Alborz, 5 kilometers north of Shahmirzad City in the Semnan province. This section is situated at 35° 48′ 40″ N latitude and 53° 16′ 59″ E longitude. The Mila Formation has 5 measurable members in Type ...  Read More

Palaeoenvironmental Study of the Gurpi Formation at Farhadabad Section (Northeast of Kabirkuh) based on Palynofacies and Organic Geochemistry Analysis

E Zarei; E Ghasemi-Nejad

Volume 24, Issue 95 , June 2015, , Pages 13-22


  The Gurpi Formation at Farhadabad section in west of Darehshahr, was studied in detail for environmental changes and water–level fluctuations via using organic matter contents of the rock samples.  Depositional environment interpretation was done based on integration of evidences derived from ...  Read More

Introducing Pectinid Bivalve Neithea notabilis (Münster) from the Aptian Deposits of Baghin Area, West of Kerman, Iran

A.L Arab; M.R Vaziri

Volume 24, Issue 95 , June 2015, , Pages 23-30


  A relatively thick sequence of Mid-Cretaceous (Aptian) strata exposed in Baghin area, west of Kerman, Iran. The strata comprise a diverse macro-fauna such as bivalves, echinoids, gastropods, corals and brachiopods. Among the bivalves, presence of a pectinid species, Neithea notabilis is relatively conspicuous. ...  Read More

Geometry and Recent Kinematics of the North Qazvin Fault: Morphotectonics Approach

B Taherkhani; H Nazari; M Pourkermani; M Arian

Volume 24, Issue 95 , June 2015, , Pages 29-38


  The E-W trending North Qazvin Fault is situated in north & northeast of Qazvin city in south-central Alborz. Across the fault, Karaj formation (Eocene) is thrusted over Hezardarreh Formation (A) and the alluvial B Formation. It could be the source for the 1119 AD earthquake with an estimated magnitude ...  Read More

Geology, Geochemistry and Petrogenesis of BazmanVolcano, SE of Iran

K Shiaian; J Ghalamghash; M Vosoughi Abediny; F Masoudi

Volume 24, Issue 95 , June 2015, , Pages 99-110


  The Bazman volcano is located in the Makran Magmatic Arc. The pyroclastic rocks and lava with rhyodacitic to basaltic composition and calc-alkaline affinities erupted from the central and lateral craters of this volcano during the Quaternary period. The primitive mantle normalized Multi-elements diagrams ...  Read More

The Magnetic Characteristics of Sandstone Rocks of Shemshak Group in Response to Application of Geomagnetic Methods

Z Hamidi Beheshti; H Alimohammadian; M Talebian; A Shahidi; M.R Ghassemi

Volume 24, Issue 95 , June 2015, , Pages 153-164


  Geomagnetism is one of the most applied techniques of geophysics in geology. Today, this method is applied in different disciplines such as Magnetic fabric of rocks, palaeomagnetism and environmental magnetism. Each of these magnetic methods is suitable for a particular lithology. Therefore, the potential ...  Read More

Inversion of Frequency Domain Helicopter Electromagnetic Data for Recognizing Gold Enriched Massive Sulfide Anomaly in Barika Area, West Azerbaijan, Iran

M Shademan; A.R Arab-Amiri; H Kheyrollahi; D Rajabi

Volume 24, Issue 95 , June 2015, , Pages 197-202


  Frequency Domain Electromagnetic surveys are being used for various applications like mineral and water exploration, environmental hazards and buried human-made materials because of its resolution and fast acquisition for low depth targets. Resistivity and its depth for each frequency could be calculated ...  Read More

Southern Chah Palang W (Cu-Au) Mineralization: Mineralogy, Fabric and Texture: Geochemistry and Isotopic Data

S Ghaderi; E Rastad; N Rashidnezhad-Omran

Volume 24, Issue 95 , June 2015, , Pages 271-286


  Tungsten (Cu-Au) mineralization of Southern Chah Palang (SCP) deposit, located in middle part of the Yazd block, occurred as vein-veinlet in normal fault zones, which cut the sandstones and shales of Early-Middle Jurassic Shemshak formation. Based on the mineral paragenesis and quartz type, color and ...  Read More

Hydrogeochemistry and Brine Evolution of Urmia Hyper Saline Lake, Northwest of Iran

j Darvishi Khatouni; R Lak; A Mohammadi

Volume 24, Issue 95 , June 2015, , Pages 239-252


  The Lake Urmia is the greatest hyper saline Lake in the world. This lake, located in Azerbaijan area, Northwest of Iran is an intra-continental sedimentary basin. Its area is about 6000 km2 with an average water depth of 6 meters. Hydrochemistry of the water resources of the basin showed mainly chloridic ...  Read More

Paleoecology of Aptian Gastropods in Bafgh Area, East of Yazd, Iran

H Karimian zade; M.R Vaziri; A Lotf abad Arab

Volume 24, Issue 94 , March 2015, , Pages 39-44


  In order to study the paleoecology of the Aptian gastropods, the Bafgh section with 380 meters thickness, in East of Yazd were studied in detail. In this region, a variety of different fossil groups, including macrofossils (gastropods, ammonites and echinoids) and microfossils (foraminifers and ostracods) ...  Read More

Petrology and Petrogenesis of Alkaline and Calc-Alkaline Lamprophyres in the NW Iran

M Aghazadeh; Z Badrzadeh

Volume 24, Issue 94 , March 2015, , Pages 87-102


  In the northwestern Iran mica-and amphibole-rich lamprophyres crop out mainly as dyke and they cut Pre-Pliocene strata. They exposed in the Arasbaran, EslamyPeninsula, and Mishu range. According to the mineralogy and mineral chemistry, amphibole-rich lamprophyres have kaersutite type amphiboles and diopside ...  Read More