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
Mineralization, fluid inclusion and sulfur isotope studies in The Gardane-Shir Pb-Zn deposit ,Ardestan,Isfahan Province

Fatemeh Sabahi; Mohammad Lotfi; Peyman Afzal; nima nezafati

Volume 31, Issue 1 , June 2021, , Pages 177-186

https://doi.org/10.22071/gsj.2018.115540.1377

Abstract
  Gardaneshir carbonate-hosted Pb-Zn deposit on the ground of study area located southwest of Ardestan in Isfahan province. Base on lithostratigraphy,the main structure, besides the small outcrops of Jurassic shales, has been made up of carbonate and detrital rock materials depending on Paleozoic,Triassic ...  Read More

The study on mineralization of Khankeshi copper deposit by using ineralogy, geochemical and fluid inclusion zata, Markazi province

R. Pourmasoomi; A. R. Jafari rad; M. Lotfi; P. Afzal

Volume 28, Issue 112 , August 2019, , Pages 129-140

https://doi.org/10.22071/gsj.2019.92884

Abstract
  The Khankeshi stratabound copper deposit is located in Markazi province, 80 Km SW of Tehran. The area is covered by a sequence of  E-W trending  lava flows and  pyroclastic of Late Eocene age. The volcanic rocks can be classified as  trachyandesite and andesite.The rocks contain a ...  Read More

Separation of geochemical anomalies using concentration- area and concentration- number methods in the Alut 1:100,000 sheet, Kurdistan

S. A. Hosseini; S. V. Shahrokhi; P. Afzal; T. Farhadinejad; H. Imanzadeh

Volume 27, Issue 105 , December 2017, , Pages 199-206

https://doi.org/10.22071/gsj.2017.54178

Abstract
  Collected geochemical data from stream sediments, can be used in regional exploration and identifying anomalies in reconnaissance stages. In this research in order to regional exploration studies, multifractal modeling approaches include concentration-area and concentration-number has been used and geochemical ...  Read More

Mineralization Trend of Radioactive Elements and Their Relation to Serium and Yttrium Using Data Lithogeochemical in Saghand Fifth Anomaly

M Khalajmasoumi; M Lotfi; A Memar Kuchebagh; A Khakzad; P Afzal

Volume 24, Issue 93 , December 2014, , Pages 201-210

https://doi.org/10.22071/gsj.2014.43560

Abstract
  The studied area in the Saghand fifth anomaly is located in the Bafgh-Posht-e-Badam metalogeny belt in the Central Iran zone. Uranium, Thorium and Rare Earth Elements mineralization are hydrothermal and metasomatism type related to area intrusion bodies (Granite and Gabbro available in the north of study ...  Read More

Geological Evidences and Ore Body Facies of Tangedezan Zn – Pb (Ag) Deposit in a Jurassic-Cretaceous Carbonate Sequence, Booeen Miandasht (Isfahan, Iran)

S.T Delavar; I Rasa; M Lotfi; G Borg; N Rashidnejad Omran; P Afzal

Volume 23, Issue 91 , June 2014, , Pages 77-88

https://doi.org/10.22071/gsj.2014.43777

Abstract
  Tangedezan Zn-Pb deposit is located in 22 km west of Booeen Miandasht city, in western part of Isfahan province and in Malayer–Isfahan Pb-Zn mineralization belt. This deposit is one of the stratabound deposits in a Jurassic-Cretaceous carbonate sequence. Two main ore body geometries have been recognized ...  Read More

Investigation on Distribution of Radioactive Elements in SW Masuleh Based on the Airborne Radiometer Data, Gilan Province, Iran

A Zia Zarifi; S Mehri; P Afzal; H.R Jafari

Volume 23, Issue 91 , June 2014, , Pages 187-195

https://doi.org/10.22071/gsj.2014.43815

Abstract
  Airborne radiometer data is the best to study the distribution of radioactive elements of an area. In this paper, separation of anomaly values have been performed by means of the classical statistics, the tables of frequency distribution of uranium, thorium and potassium have been produced, the frequency ...  Read More

Introduction to New Concentration-Volume Fractal Method for Separation Zones in Porphyry Deposits

P. Afzal; A. Khakzad; P. Moarefvand; N. Rashid Nezhad Omran; Y. Fadakar Alghalandis

Volume 20, Issue 78 , December 2011, , Pages 167-172

https://doi.org/10.22071/gsj.2010.54675

Abstract
  Determination of different zones in porphyry deposits is on of important goals in their exploration because this operation especially determination supergene zone is important for economical study in these deposits. Traditional methods based on alterations and mineralogical studies are not proper in ...  Read More