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)
Economic Geology
Geology, structure and mineralization of Cu (± Au) hydrothermal-magmatic deposits of Saveh-Razan region

Seyed Mehran Heidari; Sara Safavy; Afshin Akbarpour; Azra Hassanlou; Bahram Mohaghegh

Volume 32, Issue 2 , July 2022, , Pages 89-104


  Saveh-Razan copper (± gold) area, with WNW direction in the northwest of Urmia-Dokhtar magmatic belt, with the highest reaction to right-sided shear zones and structural trend change during the Oligomyocene, leads to the placement of semi-deep Oligomyocene diorite massifs in shallow rock depths. ...  Read More

Economic Geology
Mineralization, geochemistry and fluid inclusion studies of silicic veins in Sarikhanloo area, NW Meshgin Shahr, NW Iran

Hadi Mohammadian; vartan simmonds; kamal Siahcheshm

Volume 32, Issue 1 , March 2022, , Pages 119-136


  The Sarikhanloo area is located within the Qaradagh metallogenic zone in northwest Meshgin Shahr. Igneous rocks cropped out in this area include successions of Paleocene-Eocene pyroclastic rocks (tuff and andesitic-dacitic lavas with intercalations of ignimbrite) and basaltic andesite lava flows. Igneous ...  Read More

Economic Geology
Type and origin of the north Chargar Cu-Au mineralization, southeast Zanjan: using petrological, mineralogical and geochemical data

Fatemeh Naderlou; Mir Ali asghar Mokhtari; Hossein Kouhestani; Ghasem Nabatian

Volume 31, Issue 2 , September 2021, , Pages 149-162


  North Chargar Cu-Au mineralization located within the Tarom-Hashtjin sub-zone. This area composed of andesite and quartz-andesite lavas alternated with tuffaceouce rocks. The volcanic rocks have calc-alkaline nature and were formed in an active continental margin. Mineralization present as ore-bearing ...  Read More

Economic Geology
Geology and mineralization of Zavarian Au-(Cu) deposit (Qom-Salafchegan)

Elnaz Zahmatkesh; Seyed Mehran Heidari

Volume 30, Issue 117 , December 2020, , Pages 39-50


  Zavarian gold occurrence formed within andesitic volcanic units in northwestern Iran. The volcanic complex is in fact a part of magmatism related to Urumieh-Dokhtar magmatic belt crosscutting northwestern rim of Central-Iran zone. This system is a part of the volcanic-sedimentary sequence of the Qom ...  Read More

Geology, alteration, mineralization and geochemistry of the North Narbaghi epithermal Ag-Cu deposit, northeast Saveh

Negin Fazli; Majid Ghaderi; David Lentz; Jianwei Li

Volume 28, Issue 112 , August 2019, , Pages 13-22


  The North Narbaghi deposit is located approximately 26 km northeast of the city of Saveh in the central part of Urumieh-Dokhtar magmatic arc of Iran. In this area, the Oligo-Miocene intrusive rocks cut the Eocene volcano-sedimentary rocks intruding into the surrounding rocks causing extensive alteration ...  Read More

Economic Geology
Geology and mineralization of Sebandoon gold deposit, North of Bardeskan

Behzad Hamamipour; H. A. Tajeddin; Leila Barahmand

Volume 27, Issue 108 , September 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

Mineralogy and geochemistry of Nodoushan Zn-Pb deposit: A transitional deposit in UDMA, Central Iran

Kamran Motevali; Mehrdad Behzadi; Mohammad Yazdi

Volume 27, Issue 106 , March 2018, , Pages 119-130


  Eocene magmatism with intermediate-acid tuffs and volcanic rocks, the host to the Nodoushan deposit in Yazd province, intruded by Oligocene early diorite and later granite plutonic rocks. The former involved in iron skarn (containing epidote and euhedral grossularite) to the north and northern part of ...  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

Sediment-hosted epithermal gold mineralization at Arabshah, SE Takab, NW Iran

S. M. Heidari; M. Ghaderi; H. Kouhestani

Volume 27, Issue 105 , December 2017, , Pages 265-282


  Arabshah gold deposit formed through hydrothermal activity with an age of ~11 Ma (based on zircon U-Pb dating by LA-ICP-MS), in northwestern Iran. This hydrothermal activity is a part of the Urumieh-Dokhtar magmatic arc (UDMA), leading to mineralization in this area, similar to Zarshouran, Aghdarreh ...  Read More

Source of polymetal epithermal veins at Nikuyeh district (West of Qazvin) based on mineralogy, alteration and fluid inclusion studies

S Aghajani Marsa; M Emami; M Lotfi; k Gholizadeh; M Ghasemi Siani

Volume 25, Issue 99 , June 2016, , Pages 157-168


  The mineralized veins at Nikuyeh are located south of the Tarom-Hashtjin metallogenic province in Alborz-Azarbayejan belt (West Alborz). Rhyodacite and andesite/andesitic basalt volcanic rocks are hosting the vein mineralization in the Nikuyeh ore district. Hydrothermal alteration in host rocks consists ...  Read More

Ore-genests study of The Cu-Au vein-type deposit in The Taron- Granitoid (North Zanjan) based on mineralogical, geochemical and fluid inclusion evidences

H Zamanian; Sh Rahmani; M.R Jannessary; R Zareii Sahamiieh; B Borna

Volume 25, Issue 98 , March 2016, , Pages 255-282


  Lohneh gold and copper deposits lay in the north west of Iran, 100 kilometers north of Zanjan province. Lohneh mining area is a part of the Tarommetallogenic zone in the Alborz-Azerbaijan region. The presence of numerous minerals, slag melting of mining activities (such as cows and exploratory pits, ...  Read More

Petrology, Geochemistry and Alteration at the Polymetalic (Cu- Pb- Zn) Vein and Veinlet Mineralization in the Lubin- Zardeh Area, North East Zanjan

M.R Hosseinzadeh; S Maghfouri; M Moayyed; M Lotfehnia; B Hajalilou

Volume 24, Issue 96 , September 2015, , Pages 41-52


  The studied area is located in Tarom metallogenic zone (NW of Iran). This area illustrate widespread hydrothermal alteration and disseminated and vein-veinlet type copper, lead and zinc mineralization.Injection of qm Intrusive body into Eocene volcano clastic complex (Karaj Formation) along linear Faults ...  Read More

Geology, Alteration, Geochemistry and Fluid Inclusion of Au Mineralization in the North Bazman

M.R Omidvar Eshkalak; A.A Mokhtari

Volume 24, Issue 95 , June 2015, , Pages 165-180


  The studied area is located in the southeastern end of the Sahand- Bazman Magmatic Belt in the north of Bazman volcano. This area composed of Miocene volcanic rocks including andesitic to dacitic lavas along with tuffaceous sandstone, ignimbrite, agglomerate, tuff and siltstone that underwent propyilitic, ...  Read More

Geology, Mineralogy and Fluid Inclusion Investigation of Supergene Zn Deposit in Kharengun Zone, Northeast of Bafq,Central Iran

Z Miriyan; M Lotfi; A.A Shabani; M.A.A Mokhtari; E Haj Molla Ali

Volume 24, Issue 95 , June 2015, , Pages 233-242


  The Kharengun area is located in the Yazd province, Central Iran, 130 km east of Yazd city and 65 km northeast of Bafq city. Mineralization in Kharengun area occurred within calcic and dolomitic units of the Rizou Formation (equivalent to Soltaniyeh Formation) of upper Precambrian- lower Cambrian age. ...  Read More

Mineralization of Gold in North Bazman Area, Chah naeli, Iran

M.R Hezareh; I Rasa

Volume 24, Issue 94 , March 2015, , Pages 287-292


  In the western part of the Sistan & BaluchestanProvince (continuation of the Jebal- e BarezRange) in southeast Iran, the epithermal type (i. e. gold and associated elements) model is one of the anticipated metallogenic model. The studied area is one of the important targets of regional geochemical ...  Read More

Geology, Petrography, Alteration, and Mineralization in Neian Polymetallic (Pb-Zn-Cu-Au-Ag) Deposit, Bejestan, Northwest of Lut Block, East of Iran

H Hadizadeh; A.A Calagari; N Nezafati; H Mollaei

Volume 24, Issue 94 , March 2015, , Pages 315-329


  The Neian area in northwest of the Lut block host a polymetallic (Pb-Zn-Cu-Au-Ag) vein system which was developed within a series of volcanic rocks ranging in composition from dacite through rhyo-dacite and andesite to trachy-andesite. These rocks were formed by two distinct stages of lava eruption. ...  Read More

Touzlar Epithermal Au-Ag (Cu) Deposit, Subvolcanic Intrusion-related of Intra-arc Extensional Setting, Northwest Mahneshan, Iran

S.M Heidari; M Ghaderi; H Kouhestani; M Hosseini

Volume 24, Issue 94 , March 2015, , Pages 329-349


  The Touzlar epithermal gold deposit formed within the high-K calc-alkaline (shoshonitic) andesitic volcanic units in northwestern Iran. The volcanic complex is in fact a part of magmatism related to the Urumieh-Dokhtar Magmatic Belt crosscutting northeastern rim of the Sanandaj-Sirjan Metamorphic-Magmatic ...  Read More

The Interpretation of Factor Analysis Results of Stream Sediment Geochemical Data by Utilization of Geological, Alteration and Mineralization Data in Kooh-Shah, Birjand, South Khorasan

M Abdi; M.H Karimpour; M.H Zarinkoob

Volume 23, Issue 92 , September 2014, , Pages 23-38


  The main purpose of this study is processing of raw data by factor analysis method and having interpretation and integration them by geological, alteration and mineralization data. The distinctiveness of third factor of factor analysis for Au, Mo and W and the coincidence of third factor anomalies by ...  Read More

Whole-Rock and Sr-Nd Isotope Geochemistry of Volcanic Host Rocks of the Chah Zard Ag-Au Deposit, Urumieh-Dokhtar Belt

H Kouhestani; M.H Ghaderi; M.H Emami; S Meffre; V Kamenetsky; J McPhie; Kh Zaw

Volume 23, Issue 90 , March 2014, , Pages 185-196


  The Chah Zard Ag-Au deposit, a typical breccia-hosted low- to intermediate-sulfidation epithermal system, is located within late Miocene andesitic to rhyolitic volcanic complex in the central part of the Urumieh-Dokhtar magmatic belt. The orebodies are emplaced in breccia bodies dominantly hosted by ...  Read More

Chah Zard Deposit: Breccia-Hosted Epithermal Ag-Au Mineralization in the Urumieh-Dokhtar Belt

Majid Ghaderi; H. Kouhestani; M. H. Emami; K. Zaw

Volume 22, Issue 87 , December 2013, , Pages 9-24


  The breccia-hosted epithermal Ag-Au deposit of Chah Zard is located within an andesitic to rhyolitic volcanic complex in the central part of the Urumieh-Dokhtar magmatic belt. At this location, magmatic and hydrothermal activity was associated with local extensional tectonics, formed in the Dehshir-Baft ...  Read More

Mineralization, Alteration and Ore Fluid Characteristics in Cheshmeh Hafez Base and Precious Metals Deposit, Torud-Chahshirin Range, North-Central Iran

E. Haghighi; S. Alirezaei; E. Ashrafpour

Volume 22, Issue 88 , December 2013, , Pages 99-110


  The Cheshmeh Hafez deposit in Torud-Chahshirin Range, north-central Iran, consists of a polymetal vein mineralization in Cenozoic volcanic host rocks of dominantly basaltic andesite and dacite compositions. The main ore vein, 1800 m long and <1 – 5 m wide, occurs discontinuously in a north-south ...  Read More

Mineralogy and Hydrothermal Alteration of the Epithermal Vein System at the Motrabad Prospect, NE Iran

M. H. Ahmadi; G.H Shamanian; H. Azmi

Volume 22, Issue 88 , December 2013, , Pages 155-164


  The Motrabad vein system is located 30 Km southwest of Bajestan in the northern part of the Lut Block. The vein host rocks consist of intermediate to silicic volcanic rocks. The mineralization occurs as irregular veins, veinlets and hydrothermal breccias. Based on field geology and textural evidences ...  Read More

Ore Geology and Fluid Inclusion Studies of Arghash Gold Prospect, Southwest Neishabour, Northeastern Iran

E. Ashrafpour; S. Alirezaei; K.M. Ansdell

Volume 18, Issue 71 , January 2009, , Pages 129-136


  Arghash gold district is located in the eastern Sabzevar zone. The basement of this zone consists of Precambrian metamorphosed rocks and Paleozoic-Mesozoic epicontinental sediments. The basement is covered by Upper Cretaceous ophiolitic mélange and Tertiary magmatic and sedimentary rocks. Arghash ...  Read More

Fluid Inclusion and Mineralogical Studies of the Sharafabad Epithermal Gold Deposit, NW Iran

S. Ebrahimi; Y. Pan; S. Alirezaei; M. Mehrpartou

Volume 18, Issue 71 , January 2009, , Pages 149-154


  The Sharafabad auriferous epithermal vein system is located in the Alborz-Azarbaijan magmatic assemblage in northwestern Iran. The veins are hosted by Eocene andesitic volcanic and pyroclastic rocks and tuffs. Wall rock alteration includes an inner silicic zone often bordered by argillic and propylitic ...  Read More