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)
Remote Sensing
Petrography, Geochemistry and Tectonic setting of volcanic rocks in Chomalu polymetallic deposit (North-West of Zanjan)

Mahya Nazarian; Mohammad Lotfi; Arash Gourabjeripour; Majid Ghasemi Siani

Volume 31, Issue 3 , December 2021, , Pages 61-72

http://dx.doi.org/10.22071/gsj.2021.233801.1799

Abstract
  The Chomalu Polymetallic deposit is located in western part of Alborz magmatic belt (Alborz-Azarbaijan) and central part of Tarom-Hashtjin metallogenic province. Eocene volcanic settings in the Chomalu deposit consist of basic rocks (olivinebasalt), intermediate (andesite basalt, andesite to trachyandesite) ...  Read More

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

http://dx.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

Economic Geology
Mineralogy and Mineralization of ore-bodies and geochemistry of the productive granitoid body of Saheb Fe-Cu skarn, Saqqez) Kurdistan)

Z. Zandi; A. R. Jafari rad; A. Gourabjeripour; M. Lotfi

Volume 29, Issue 116 , August 2020, , Pages 71-80

http://dx.doi.org/10.22071/gsj.2020.113992

Abstract
  The Saheb Fe-Cu skarn deposit is located in the Sanandaj-Sirjan metamorphic belt, SE Saqqez, western Iran and has been formed along the contact between the Oligo-Miocene aged Saheb granitoid and the Permian aged impure calcareous rocks and includes endoskarn and exoskarn. Exoskarn is widely developed ...  Read More

Economic Geology
Thermobarometric Properties of Epigenitic Mineralization Based on Fluid Inclusion Data in Dehkoyeh Salt Dome, Lar, Fars Province

Mohammad Jabarian; mehrdad karimi; Mohammad Lotfi; kamal noori khankahdani

Volume 29, Issue 115 , June 2020, , Pages 289-300

http://dx.doi.org/10.22071/gsj.2018.93957.1210

Abstract
  Dehkooye salt dome is located 30 km northeast of Lar in Fars province, Iran. The salt dome occurred in Zagros folded zone where infracambrian thick evaporate strata (Hormoz series) intruded Cenozoic sedimentary rocks. Core of the dome mainly made up of salt and gypsum and overlain by marl, gypsum, limestone, ...  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

http://dx.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

The structural analysis of Boshruyeh Kooh-e-Ahan area, South Khorasan

M. Jamali; M. R. Ghassemi; M. Lotfi; A. Solgi

Volume 28, Issue 111 , May 2019, , Pages 301-310

http://dx.doi.org/10.22071/gsj.2019.88510

Abstract
  Kuh-e-Ahan is a high-standing single relief within a rather flat plain, which is located in the north of the Tabas block, near the intersection of the Nayband and Kalmard faults and there are  great outcrops of  fe-oxide, along with eastern-western faults and fractures in Kooh-e-Ahan area.. ...  Read More

Mineralogy, and genesis of Khalyfehlou copper deposit based on host rock geochemical data and o-s isotope characteristics

M. Esmaeli; M. Lotfi; N. Nezafati

Volume 28, Issue 110 , December 2018, , Pages 33-46

http://dx.doi.org/10.22071/gsj.2019.84248

Abstract
  Khalyfehlou Cu deposit (southeast of the Zanjan), is the volcanic-hosted vein-type deposit located in the Tarom metallogenic zon,Western Alborz (northwest of Iran) . Tarom zone consist mainly of volcanic and volcaniclastic rocks of the Karaj Formation (Early to Middle Eocone). Regarding the stratigraphic ...  Read More

Investigation on the genesis of the iron oxide- apatite ± REE deposits of the Bafgh-Saghand district (Central Iran), based on oxygen isotope studies

S. A. Majidi; M. Lotfi; M. H. Emami; N. Nezafati

Volume 28, Issue 109 , September 2018, , Pages 237-244

http://dx.doi.org/10.22071/gsj.2018.80142

Abstract
  The metallogenic zone of Bafgh-Saghand in central Iran hosts huge low-titanium iron oxide-apatite (IOA) deposits (also called Kiruna type iron deposits) with more than 1500 Million tons grading 55% iron. The genesis of these deposits including Chadormalu, Choghart, She-Chahun, and Esfordi has long been ...  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

http://dx.doi.org/10.22071/gsj.2018.58253

Abstract
  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

The genesis of iron oxide-apatite (IOA) deposits: evidence from the geochemistry of apatite in Bafq-Saghand district, Central Iran

S. A. Majidi; M. Lotfi; M. H. Emami; N. Nezafati

Volume 27, Issue 105 , December 2017, , Pages 233-244

http://dx.doi.org/10.22071/gsj.2017.54185

Abstract
  The Origin of Iron Oxide-Apatite deposits (IOA) with low Ti or Kiruna type deposits has long been a matter of debate. In this case, several provenances have been proposed for these deposits which include: magmatic, magmatic-hydrothermal, hydrothermal, banded iron formations, and sedimentary-exhalative. ...  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

http://dx.doi.org/10.22071/gsj.2017.46614

Abstract
  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

Petrogenesis, geochemistry, fluid inclusions and the role of the subvolcanic intrusives in genesis of copper at Chahmora deposit, North of Torud, Semnan

M Bahrampour; M Lotfi; A Akbarpour; E Bahrampour

Volume 26, Issue 102 , March 2017, , Pages 117-136

http://dx.doi.org/10.22071/gsj.2017.44132

Abstract
  The Chahmora copper deposit is located at South west of Shahrud, within the Torud-Chahshirin   magmatic arc. Mineralization in the Chahmora area occurred within volcanic units of Eocene. Based on field and laboratory investigations, the outcropped rocks in the Chahmora deposit are andesite, ...  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

http://dx.doi.org/10.22071/gsj.2016.40893

Abstract
  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

Evaluate geochemical trace elements of Qalikuh oil shale (Southwest Aligoodarz) using elemental analysis and rock eval pyrolysis

M Fereidoni; M Lotfi; N Rashid nejad; M Rashidi

Volume 25, Issue 98 , March 2016, , Pages 171-180

http://dx.doi.org/10.22071/gsj.2016.41188

Abstract
  The Qalikuh area,~35 km southwest of Aliqudarz, contains oil shale deposits in Garue and Sargelu formations(Jurassic-Cretaceous). Some 20 samples across two sections(Charun3-Deh ye Qali3) were selected and analyzed(Rock Eval – ICP – XRD – XRF) to study organic and mineral parameters(to ...  Read More

Geologyand Origin of Oras-kuh Pb-Zn Deposit in Eastern Albors (Semnan Province)

M Lotfi; M Hekmatian; A.A Shabani; M.A Mokhtari

Volume 24, Issue 96 , September 2015, , Pages 73-84

http://dx.doi.org/10.22071/gsj.2015.41679

Abstract
  Oras-kuh lead-zinc deposit is located at about 79 km north-east of Semnan city. This deposit is considered as stratabound and occurs in the upper part of the Triassic dolomitic limestone of the Elika formation. Oras-kuh structure includes a northeast - southwest trending normal anticline and follows ...  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

http://dx.doi.org/10.22071/gsj.2015.42435

Abstract
  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

Determination of Porphyry Copper Deposit Locations Using Photo Lineament Factor in Northern Parts of the Dehaj-Sardoiyeh Belt

H Alizadeh; M Aryan; M Lotfi; M Ghorashi; M Ghorbani

Volume 24, Issue 94 , March 2015, , Pages 247-252

http://dx.doi.org/10.22071/gsj.2015.42935

Abstract
  The Dehaj-Sardoiyeh Belt, which is a part of the Urmia-Dokhtar Volcanic-Plutonic Zone, consists of several economic porphyry copper deposits. This area is located on the right lateral shear zone surrounded by the Rafsanjan fault in the north and the Shahr-e Babak fault in the south. In this research, ...  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

http://dx.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

http://dx.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

Geology, Mineralography, Geochemistry and Genesis of Boznein Mn Mine, Ardestan (Esfahan Province)

M. Lotfi; S.F Sadjadi AleHashem; M. H. Emami

Volume 22, Issue 88 , December 2013, , Pages 75-88

http://dx.doi.org/10.22071/gsj.2017.53668

Abstract
  Boznein manganese deposit is located in 25 km south-southwest of Ardestan, part of Urmiyeh-Dokhtar magmatic belt. The main units in the studied area are volcanic-pyroclastic sequences & intrusive bodies of middle Eocene-lower Oligocene. Porphyroid rhyolitic dome (upper Eocene-lower Oligocene) is ...  Read More

Dynamic Analysis of Fractures in North of Torud – Moalleman Area (Central Iran, East South of Damghan)

A. Keynezhad; M. Pourkermani; M. Arian; A. Saeedi; M. Lotfi

Volume 20, Issue 78 , December 2011, , Pages 3-16

http://dx.doi.org/10.22071/gsj.2010.54577

Abstract
  Detailed geological and structural analysis of north of Torud-Moalleman area (Central Iran), between Anjilu fault in north and Torud fault in the south, led to tectonic elements of this limit such as fractures and relative of their mechanism with left lateral sheared zone of two main faults. This study ...  Read More

A Geochemical and Geostatistical Approach to the Origin of the Sarfaryab Bauxite Deposits, Kohgiloyeh-va-Boyrahmad Province, SW Iran

F. Ehya; M. Lotfi

Volume 19, Issue 74 , February 2010, , Pages 91-98

http://dx.doi.org/10.22071/gsj.2010.57325

Abstract
  The Sarfaryab bauxite deposits occur in karstic depressions at the top of the limestones of the Cenomanian to Lower Turonian Sarvak Formation, which are overlain by the limestones of the Santonian Ilam Formation. In order to determine the possible source rocks of the Sarfaryab bauxite deposits, a few ...  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

http://dx.doi.org/10.22071/gsj.2010.55356

Abstract
  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