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)
Mineral chemistry of Cr-Spinel in the Sargaz-Abshur ultramafic-mafic intrusion, SE of Iran : An implication to tectonic setting of the intrusion

Seyed Ali Akbar Asadi; Habibollah Ghasemi; Mohsen Mobasheri

Volume 32, Issue 4 , December 2022, , Pages 103-118


  Sargaz-Abshur (Sikhoran) ultramafic-mafic complex, which is situated in Esfandagheh area, SE Sanandaj-Sirjan metamorphic- magmatic zone,  intruded into Upper Paleozoic- Triassic metamorphic rocks and covered by Jurassic sedimentary rocks. This complex consists of harzburgite and porphyroclastic ...  Read More

Economic Geology
Carbon-oxygen isotopic covariation of the Changarzeh Pb±Ag deposit (south Natanz): implication on fluid/rock interaction and CO2 degassing processes

Ebrahim Tale Fazel

Volume 31, Issue 2 , September 2021, , Pages 163-172


  Study of carbon-oxygen isotopic variations in the gangue carbonate minerals and related host rocks has an important role in identifying carbonate hosted lead and zinc deposits and its mechanism of sulfide ore formation. The yellow color dolostone unit attributed to the Shotori Formation with the Middle ...  Read More

Seismotectonics of the East Alborz and Kopeh- Dagh zones using local seismic network data

M. Kouhpeyma; M. Talebian; L. Chen; A. Ghods; M. Ghorashi

Volume 31, Issue 1 , June 2021, , Pages 199-208


  The Kopeh Dagh and Binalud-Alla Dagh mountains are important structural elements located in the northeastern boundary of Arabia-Eurasia collision zone. Due to existence of large cities with a long history of civilization, there is a relatively rich body of data on historical seismicity in this area. ...  Read More

Stratigraphy and Palaeontology
The early Aptian Oceanic Anoxic Event 1a (OAE 1a) based on calcareous nannofossils at Garau Formation (Kabir-Kuh anticline), West Iran

Azam Mahanipour; Maryam Eftekhari; Soheila Soheili

Volume 29, Issue 115 , June 2020, , Pages 53-60


  In order to study the early Aptian Oceanic Anoxic Event 1a (OAE 1a), calcareous nannofossils are investigated at the late Barremian ‒ early Aptian sediments of the Garau Formation at south west of the Kabir-Kuh anticline, Qaleh-Darreh section. Ninety species of calcareous nannofossils from 43 genus ...  Read More

Economic Geology
Geology and genesis of Halab Mn deposit, SW Zanjan

Amir Naderi; Ghasem Nabatian; Maryam Honarmand; Hossein Kouhestani

Volume 29, Issue 115 , June 2020, , Pages 207-218


  Halab manganese deposit is located in the Sanandaj- sirjan zone, 100 km southwest of Zanjan. The rock units in the study area include Precambrian Kahar and Jangoutaran marble Formations. Manganese mineralization in the Halab area, occurred as veins and massive in the Jangoutaran marble and minor amount ...  Read More