Volume 34 (2024)
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)
Exploration and Mining
Use of the Gray Wolf Optimizer algorithm in separating anomalies from the background, Case study: Alut area

Kamran Mostafaei; Mohammadnabi Kianpour; Mahyar Yousefi

Articles in Press, Corrected Proof, Available Online from 21 June 2024


  This article is devoted to introducing a novel application of the Gray Wolf Optimizer in one of the most challenging issues related to mineral exploration, anomaly separation from the background in stream sediment geochemical studies. The Alut geological sheet, located in the Sanandaj-Sirjan zone, which ...  Read More

Economic Geology
Hydrothermal alteration and gold mineralization in Kharestan-Bidester, Taftan area, southeast Iran

Pooya Seyed Salehi Naeini; Saeid alirezaei

Articles in Press, Corrected Proof, Available Online from 07 February 2024


  The Kharestan-Bidester area, northwest of the Taftan volcano, is covered by a series of Plio-Quaternary lava flows and pyroclastic materials. The area is marked by extensive silicic and argillic alterations. The silicic zones, distinguished by vuggy texture, are bordered by advanced-intermediate argillic ...  Read More

Economic Geology
Study of Tareek Darreh Gold and Copper Occurrence North Torbat-e-Jam- Khorasan-Razavi Province, NE-Iran

Kourosh Shabani; Nima Nezafati; Morteza Momenzadeh; Mohammad Hashem Emami; Seyed Jamal Shaykhzakaryaii

Volume 32, Issue 2 , July 2022, , Pages 59-74


  The Tareek Darreh gold Gold & Copper deposit is located 40km north of Torbat- e Jam in the Khorasan-Razavi province,NE-Iran. The study area is mainly comprised of slightly metamorphosed, sedimentary rocks of Jurassic age including alternation of shale, siltstone, and sandstone. These rocks have been ...  Read More

Exploration and Mining
Applying fractal models to delineation of rock quality designation in the Zarshuran gold deposit, Takab, Iran

Ghodratollah Rostami Paydar; Hani Asadi Hoveizian

Volume 28, Issue 111 , May 2019, , Pages 151-160


  Determination of relationship between rock mass properties concerning to rock qualification design (RQD) has an important role in mine planning and designation. The aim of this study is separation of rock mass properties to designing the mine planning based on the 3267 RQD data analysis of 43 drill-core ...  Read More

Economic Geology
Using fractal models to separation of high-grade mineralized zones in the Zarshuran gold deposit, Takab, NW Iran

Ghodratollah Rostami Paydar

Volume 28, Issue 110 , December 2018, , Pages 55-66


  The Zarshuran gold deposit in northwest Iran is located in historic gold and arsenic mining area in the Sanandaj-Sirjan geo-structural zone. This area is mainly composed of Precambrian rocks. The Oligo-Miocene granitoid intrusions in Pre-Cambrian formations which are the country rocks of gold mineralization ...  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

Gold Geochemical Explorations and Heavy Mineral Studies of Stream Sediments of Astarghan Area, Kharvana, East-Azarbaidjan- NW of Iran

R Ferdowsi; A.A Calagari; M.R Hosseinzadeh; K Siahcheshm

Volume 24, Issue 96 , September 2015, , Pages 263-276


  Astarghan area is located in ~ 50 km of north of Tabriz, southeast of Kharvana, East-Azarbaidjn. The area is a part of Gharadagh- Arasbaran metallogenic belt. The most important units in the area is a hypabyssal prophyritic to granular granodioritic intrusive body of Oligo-Miocene and flysch- type sedimentry ...  Read More

Studying the Results Sampling and Analysis by Using the BLEG Geochemical Method in 1:100000 Siah Rud Sheet (NW Iran)

M Emami Jafari; M Mehrpartou; A Akbarpoor; B Shamsi

Volume 24, Issue 95 , June 2015, , Pages 195-206


  BLEGmethod is one ofmodern methodsusedfor goldgeochemicalexplorationstudies.Themethod has helped to locate many low grade gold deposits. The significant change of the method compared to common geochemical exploration methods is to use of large volumes ofsamples regardless of their sizeandlow densityof ...  Read More

Interpretation of Geophysical Survey (IP/RS) in Hired Gold Prospecting Area Using Geology, Alteration and Mineralization Data

A Askari; M.H Karimpour; S.A Mazaheri; A Malekzadeh

Volume 24, Issue 94 , March 2015, , Pages 235-246


  The Hired gold prospect area is located in the Southern Khorasan province and 140 Km south of the Birjand city. The Acidic to mafic intrusive bodies with gabbro to granite composition have intruded into the Tertiary volcano-sedimentary sequences. Based on magnetic susceptibility, the intrusives are divided ...  Read More

Geochemical Exploration for Au and Paragenetic Elements in N.W. of Saqqez, Kurdistan Province, Iran

F Mohammadi; S Alipour; M Ghazanfari

Volume 23, Issue 90 , March 2014, , Pages 209-216


  Gold as a strategic element has a strong exploration potential in KurdistanCounty. This investigation for gold has carried out in N.W. Sanandaj- Siirjan geological zone. 351 samples has been taken from drainages and analyzed by ICP-MS in Canada for 22 elements. Based on results, anomaly map and enrichment ...  Read More

Investigation of Au-Bearing Listvenite Using Mineralogy, Geochemistry, Fluid Inclusion and Stable Isotopes (Oxygen, Carbon and Sulfur) in Ophiolite-Melange Zone of East Iran (Hangaran Area, South Birjand)

R. Monazzami bagherzadeh; H. Mirnejad; P. Eshback; M. H. Karimpour

Volume 22, Issue 88 , December 2013, , Pages 131-144


  Listvenites or ophiocarbonates are considered important for exploration of precious and base metlas particularly Au, Ag, Cu, As and Hg. ‏These rocks, which crop-out dominantly in ophiolite-mélange zones and in the vicinity of main faults and shear zones, have formed as the result of hydrous ...  Read More

Optimization of Cyanide Leaching Process in order to Increase Au, Ag and Hg Recovery in Pouya Zarkan Aghdareh Plant

M. Abdollahy; S. M. J. Koleini; A. Ghaffari

Volume 20, Issue 78 , December 2011, , Pages 129-138


  Cyanidation process is one of the most important and widespread hydrometallurgical technologies used in the extraction of gold and silver from ores and concentrates. Some of the most effective parameters on cyanide leaching are sodium cyanide concentration, dissolved oxygen, solid percent, pH, particle ...  Read More

Sulfur, Carbon and Oxygen Isotope Variations of Sulfide and Carbonate in Arghash Gold Prospect, Southwest Neishabour, Northeastern Iran

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

Volume 18, Issue 70 , February 2009, , Pages 173-183


        Arghash gold district includes five gold-bearing vein systems, (Au-ItoAu-V) and one antimony-rich vein hosted by intermediate to silicic volcanic rocks, tuffs, granite, and diorite. Pyrite is the main sulfide mineral consisting of four generations (Py-ItoPy-IV). Py-I toIII are intimately ...  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

Modeling of Minimum Acceptable Target Reserve in Gold Exploration Projects

A. R. Sayadi; M. Yavari; N. Solgi

Volume 17, Issue 67 , February 2008, , Pages 38-45


       Exploration projects need considerable investments. These projects are associated with high techno-economical risks. Therefore, Evaluation of exploration potential is necessary. It is determined in primary stages of exploration whether the deposit reserve is not economic or the ...  Read More