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
Mineralogy, texture and structure and genetic model of Kahak Manto-type copper deposit in the Eocene volcano-sedimentary sequence, south Qom

Zahra Kaboodi; Majid Ghaderi; Ebrahim Rastad

Volume 29, Issue 113 , November 2019, , Pages 145-154


  The Kahak copper deposit occurs in the Eocene volcano-sedimentary sequence of Qom region, Urumieh-Dokhtar magmatic arc. The oldest rock unit in this sequence is a crystal tuff, overlain by tuff, andesite, sandstone, conglomerate, and limestone. Host rocks to the Kahak deposit include andesite and tuff, ...  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
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

Fluid inclusion and stable isotope study of the Gazestan magnetite-apatite deposit, Central Iran

S Afzali; N Nezafati; M Ghaderi

Volume 26, Issue 101 , December 2017, , Pages 35-44


  The Gazestan magnetite–apatite deposit is located 78 km east of Bafq, in the Bafq-Poshtebadam subzone of the Central Iran structural zone. The rock units in the area belong to the Rizou series and consist of carbonate rocks, shale, tuff, sandstone and volcanic rocks. Intrusive rocks in the form ...  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

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

Epithermal Base Metal - Silver Mineralization at Gomish-Tappeh Deposit, Southwest of Zanjan

T Salehi; M Ghaderi; N Rashidnejad-Omran

Volume 25, Issue 97 , December 2016, , Pages 329-346


  Gomish-Tappeh Zn-Pb-Cu (Ag) deposit is located in northwestern part of Urumieh-Dokhtar volcano-plutonic zone, 90 km southwest of Zanjan. Exposed rocks at the area include Oligo-Miocene volcano-sedimentary and sedimentary sequences as well as Pliocene dacitic subvolcanic dome, rhyodacitic volcanics and ...  Read More

Geochemistry of intrusive rocks, petrology of skarn, and mineralogy and chemistry of orebodies in Senjedak-I area, east of Sangan mine, Khaf, NE Iran

N Mazhari; A Malekzadeh Shafaroudi; M Ghaderi

Volume 25, Issue 100 , September 2016, , Pages 235-246


  The Senjedak-I prospect area is one of the six eastern anomalies of Sangan iron mine. Geologic units in the area consist of Jurassic shales and sandstones, skarn rocks and Tertiary biotite monzonite and biotite syenogranite intrusive rocks. Due to the severe alteration of biotite monzonite porphyry intrusive, ...  Read More

The geology, petrogenesis and geological setting of the volcanic and plutonic rocks from Daraloo and Sarmeshk porphyry copper deposits, South Kerman copper belt, Iran

M Alimohammadi; S Alirezaei; M Ghaderi; D.J Kontak

Volume 25, Issue 98 , March 2016, , Pages 159-170


  The Daraloo and Sarmeshk copper deposits lie in a northwest-trending fault zone, 10 km long and 0.5-1 km wide in the southern section of the Kerman copper belt, south Iran. The area is marked by a series of Late Eocene-Oligocene granodiorite and Miocene porphyritic tonalite-granodiorite intrusions that ...  Read More

Determining the Origin of Mineralizing Fluid at Qamsar Cobalt Deposit Using Fluid Inclusions and S-O Stable Isotopes

H Mohammaddoost; M Ghaderi; N Rashidnejad-Omran

Volume 24, Issue 96 , September 2015, , Pages 235-248


  Qamsar cobalt deposit is located 26 km south of Kashan, in the middle part of Urumieh-Dokhtar magmatic arc. Exposed rock units in the area include Eocene volcanics, Qom Formation marine sediments and plutonic bodies. The intrusive bodies have quartz-diorite to granodiorite composition as well as porphyry ...  Read More

Mineralization Stages and Iron Source of Bashkand Deposit Based on Mineralogy, Structure, Texture and Geochemical Evidence, Southwest of Soltanieh

S Shahbazi; M Ghaderi; N Rashidnejad-Omran

Volume 24, Issue 95 , June 2015, , Pages 355-372


  The Bashkand iron deposit is located in 16 km southwest of Soltanieh, in Central Iran Structural Zone. The rock units in the area include alternations of metamorphosed sedimentary rocks of the Kahar Formation, Khorramdarreh granite and an andesitic dike. The major alteration types are argillic, potassic, ...  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

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

Correlating Primary and Secondary Geochemical Halos with Copper-Gold Mineralization Evidence in Rahimi Area, South Kajeh, Ferdows

A. Najafi; M.H. Karimpour; M. Ghaderi

Volume 22, Issue 85 , December 2013, , Pages 115-124


  Based on data processing for 51 stream sediment, 115 rock and 22 heavy mineral samples, together with field evidence for mineralization and alteration, mineralization pattern for Rahimi copper-gold prospecting area was analyzed. Twelve primary and secondary geochemical halo maps for Au-Ag-As-Ba-Cu-Co-Hg-Mo-Pb-Sb-W-Zn ...  Read More

Petrology and Geochemistry of Peridotites fromFannuj-Maskutan Ophiolitic Complex, Makran Zone, SE Iran

M. E. Moslempour; M. Khalatbari-Jafari; T. Morishita; M. Ghaderi

Volume 22, Issue 87 , December 2013, , Pages 181-196


  Mantle sequences exposed in west of Fannuj-­Maskutan area comprise of lherzolite and porphyroclastic cpx-bearing harzburgite in the lower part and recrystallized fine-grained lherzolite with chromitite lenses in the upper parts of the sequence. Petrography studies and microprobe data show evidence ...  Read More

Introduction of Stratiform-Stratabound Tungsten (Copper) Mineral Occurrences in West of Azna, Lorestan Province

M. Abdi; Majid Ghaderi; N. Rashidnejad-Omran; E. Rastad

Volume 19, Issue 74 , February 2010, , Pages 107-120


  Azna tungsten (copper) ore occurrence is located 2 km west of Azna, in Lorestan province. The region is placed in Sanandaj-Sirjan structural zone of Iran, at the complex deformation sub-zone. In this area, tungsten-copper mineralization occurs as stratiform-stratabound in mylonitic meta-rhyolite and ...  Read More

New Results on Mineralography and Crystal Chemistry of Magnetite and Pyrite at Baba-Ali & Galali Iron Deposits, West of Hamedan, Iran

Ghodratollah Rostami Paydar; M. Lotfi; M. Ghaderi; A. Amiri; M. Vossoughi-Abedini

Volume 20, Issue 77 , January 2010, , Pages 121-130


  Baba-Ali and Galali iron deposits in west of Hamedan are emplaced within the Songhor volcano-sedimentary sequence of Sanandaj-Sirjan geological-structural zone. Mineralography and SEM-EDAX analyses on magnetite iron ores at both deposits for better understanding of mineralogy and crystal-chemistry of ...  Read More

Interpretation and Exploratory Application of Enzyme LeachSMData Analysis at AyQalesi Polymetal Deposit, Southeast of Takab

M. Shirkhani; Majid Ghaderi; N. Rashidnejad-Omran; R. Mohammadi-Niaei

Volume 19, Issue 73 , January 2009, , Pages 3-10


  AyQalesi polymetal deposit is located 30 km southeast of Takab in Orumieh-Dokhtar structural zone. For Enzyme LeachSM analysis at the deposit, 723 samples were collected from B-horizon soils. Based on the analytical results and data interpretation, six oxidation anomalies, A through F, have been defined. ...  Read More

Application of PGE in Exploration and Economic Evaluation of Sabzevar Ophiolitic Belt for Chromite Deposits

H.R. Vatanpour; A. Khakzad; M. Ghaderi

Volume 18, Issue 71 , January 2009, , Pages 9-12


  Sabzevar ophiolitic belt is located in the northwest of Iran, north of Sabzevar. The current study is carried out for the first time in Iran with an exploration approach in the western part of the belt. Study of Platinum Group Elements (PGE) is of high importance for determining the genesis and economic ...  Read More

Mineralogy, Geochemistry and Origin of Iron Deposits in North of Semnan

A. R. Ghiasvand; M. Ghaderi; N. Rashidnejad-Omran

Volume 18, Issue 72 , January 2009, , Pages 33-44


  The iron deposits in north of Semnan are located in the south of Central Alborz structural zone. Stratigraphically, the area consists of Paleozoic to Quaternary rock series exposures. The area has been affected by Semnan, Darjazin, Attari and Diktash faults. An intermediate to acidic granitoid body of ...  Read More

Geochemical Study of Vein-Type Tungsten-Copper Mineralization in Southwest of Shazand

M. Abdi; Majid Ghaderi; N. Rashidnejad-Omran; A. Najafi

Volume 19, Issue 73 , January 2009, , Pages 37-50


  Two cases of tungsten-copper vein-type mineralization have been studied in the Nezam-abad and Deh-hossein areas, in southwest of Shazand. The hydrothermal quartz-tourmaline mineralized veins have different host rocks (biotitic-granite and meta-sandstone). Considering similar ore metals (tungsten-copper-tin-lead-zinc) ...  Read More