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)
Investigation on concentration of heavy and rare elements in active hydrothermal fluids in the geothermal field, south of Mount Sabalan, Ardebil province, NW Iran

R. Masoumi; A. A. Calagari; K. Siahcheshm; S. Porkhial

Volume 27, Issue 108 , September 2018, , Pages 293-302


  The geothermal field at the south of Mount Sabalan is a part of the geothermal system of the Sabalan volcano region wherein manifestations of young volcanic activities including hot springs and surficial steams are observable. The surficial hydrothermal fluids in this area show maximum temperature of ...  Read More

Mineralogy and REEs geochemistry of kaolinized zones of the Goorgoor area, North of Takab, NW Iran

A. Abedini; A. Oroji; A. A. Calagari

Volume 26, Issue 102 , March 2017, , Pages 3-14


  Thekaolinizedzonesof the Goorgoor area (north of Takab, West-Azarbaidjan province) are alteration products of andesitic rocks of Miocene age in northwest of Iran. Based on the mineralogical studies, kaolinite, quartz, jarosite, montmorillonite, albite, muscovite-illite, anatase, chlorite, orthoclase, ...  Read More

Geology, Petrography, Alteration, and Mineralization in Neian Polymetallic (Pb-Zn-Cu-Au-Ag) Deposit, Bejestan, Northwest of Lut Block, East of Iran

H Hadizadeh; A.A Calagari; N Nezafati; H Mollaei

Volume 24, Issue 94 , March 2015, , Pages 315-329


  The Neian area in northwest of the Lut block host a polymetallic (Pb-Zn-Cu-Au-Ag) vein system which was developed within a series of volcanic rocks ranging in composition from dacite through rhyo-dacite and andesite to trachy-andesite. These rocks were formed by two distinct stages of lava eruption. ...  Read More