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)
Economic Geology
Geochemical aspects of alteration system in the Kamar-Gov district, western Alborz-Azerbaijan magmatic belt, north-west of Iran

Robabeh Masoomi; Yousef Rahimsouri; Hemayat Jamali; Ali Abedini

Volume 33, Issue 2 , June 2023, , Pages 43-66

https://doi.org/10.22071/gsj.2023.355165.2023

Abstract
  The aim of this research is the geochemical study of the major and trace elements of the alteration systems in the Kamar-Gov district (south of Hashtjin, Ardabil province). The rock units of  the studied area include volcanic rocks with the composition of basaltic-trachy andesite to rhyolite and ...  Read More

Economic Geology
Mineralogy and geochemistry of major and trace elements in argillic alteration zone of the Kamar district, NW Iran

Robabe masoomi; Yoseph Rahimsouri; Hemayat Jamali; Ali Abedini

Volume 31, Issue 2 , September 2021, , Pages 123-136

https://doi.org/10.22071/gsj.2020.219967.1760

Abstract
  The action of alteration processes on the Eocene tuffs has led to the formation of a spread argillic alteration zone in the Kamar district (south of Ardebil, Tarom-Hashtjin Zone). The aim of this study is to determine the factors controlling argillic alteration, using mineralogical studies and chemical ...  Read More

Economic Geology
Geochemistry of kaolin occurrence in the Abolhasani-Zereshkouh area, southeast of Damghan, NE Iran

masoumeh Norouzi; Ali Abedini; Ali Asghar Calagari; Fatemeh Kangarani Farahani

Volume 30, Issue 118 , January 2021, , Pages 123-134

https://doi.org/10.22071/gsj.2020.224392.1774

Abstract
  The kaolin occurrence in the Abolhasani-Zereshkouh area (south of Shahroud, northeast of Iran) is a product of alteration of Eocene andesitic rocks. With attention to mineralogical studies, kaolinite, quartz, chlorite, montmorillonite, illite, rutile, calcite, orthoclase, albite, vermiculite, palygorskite, ...  Read More

Economic Geology
Geochemistry of major and rare earth elements in garnets of the Aghbolagh iron-copper skarn, West-Azarbaidjan province

nasrin khajehmohammadlou; Ali Asghar Calagari; Kamal Siahcheshm; Ali Abedini

Volume 30, Issue 117 , December 2020, , Pages 265-274

https://doi.org/10.22071/gsj.2019.187341.1660

Abstract
  The Aghbolagh iron-copper skarn is located in ~21 km north of Oshnavieh, southwest of West-Azarbaidjan province. The intrusion of Cretaceous granitic body into the Cambrian Barut, Zagun, and Lalun Formations (carbonate, shale, and sandstone) was accompanied by development of calcic-type skarn, hornfels, ...  Read More

Economic Geology
Geochemical aspects of minor and rare earth elements in the Gheshlagh bauxitic deposit, Golestan province, North of Iran.

Maryam Kiaeshkevarian; Ali Asghar Calagari; Ali Abedini; GholamHossein Shamanian

Volume 29, Issue 116 , August 2020, , Pages 125-134

https://doi.org/10.22071/gsj.2019.159926.1576

Abstract
  The Gheshlagh bauxitic deposit is located in ~110 km southeast of Gorgan city. Mineralogical studies indicated the presence of minerals such as boehmite, diaspore, kaolinite, hematite, goethite, anatase, rutile, chamosite, calcite, moscovite, clinoclar, provskite, quartz, and dolomite. Based on quantitative ...  Read More

Economic Geology
Studies of remote sensing, geology, mineralization, geochemistry, and geophysics in the Kuh-Baba iron deposit, south of Hashtroud, NW Iran

Majid Hafez Darbani; Ali Abedini; Farhang Aliyari; Ali Asghar Calagari

Volume 29, Issue 114 , December 2019, , Pages 3-14

https://doi.org/10.22071/gsj.2018.108302.1327

Abstract
  The Kuh-Baba iron ore deposit is located in ~70 km south of Hashtroud, East-Azarbaidjan province, NW Iran. The lithologic units cropped out around this deposit include Oligo-Miocene volcanic-sedimentary rocks, Pliocene intrusive rocks, and Pliocene dacitic domes. The principal host rocks for the Fe mineralization ...  Read More

Geochemistry of argillic alteration: a case study from the Jizvan area, Tarom-Hashtjin zone

A. Abedini

Volume 26, Issue 104 , September 2017, , Pages 3-16

https://doi.org/10.22071/gsj.2016.50099

Abstract
  Intrusion of quartz-monzodioritic igneous bodies of Oligocene age into the Eocene lithic crystal tuffs and trachy-basalts resulted in occurrence of widespread argillic alteration zone in the Jizvan area (Tarom-Hashtjin zone). Mineralogical studies indicate that this alteration zone includes kaolinite, ...  Read More

Geochemical Studies of Permian Bauxite-Kaolin Deposits in North of Saqqez, Kordestan Province

A. Abedini; A. A. Calagari

Volume 20, Issue 79 , January 2011, , Pages 67-74

https://doi.org/10.22071/gsj.2011.55040

Abstract
  Depositional cessations during Permian period in north of Saqqez were associated with development of lenses of bauxite-kaolin ores in Ruteh carbonate formation. In one of these lenses considered, six lithologic units were recognized which are from bottom to the top, (1) dark brown red, (2) violet, (3) ...  Read More

Investigation on Controlling Factors of the Distribution of Trace-Elements (including REE) during Bauxitization Processes at Kanisheeteh,East of Bukan, NW Iran

A. Abedini; A. A. Calagari

Volume 18, Issue 72 , January 2009, , Pages 145-154

https://doi.org/10.22071/gsj.2010.57162

Abstract
  Karstic bauxite horizon at Kanisheeteh is located ~19km east of Bukan, south of West-Azarbaidjan province, NW of Iran. This horizon lies conformably along the boundary of Ruteh (carbonate-shale) formation (middle to upper Permian) and Elika (carbonate) formation (lower Triassic), and consists of five ...  Read More