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
Dacitic rocks from the south of Julfa (eastern Azerbaijan): Amphibole and plagioclase thermobarometry and crystallization condition

Morteza Delavari; Amir Ali Tabakh Shabani; Samaneh Ghanbari

Volume 30, Issue 117 , December 2020, , Pages 217-230


  The Oligocene dacitic volcanic rocks display widespread exposures in south of Julfa (eastern Azerbaijan). They generally show porphyritic to hyalo-porphyritic textures with major minerals of plagioclase, amphibole, quartz and biotite. Electron probe micro analyzer (EPMA) data indicates oscillatory zoning ...  Read More

Stratigraphy and Palaeontology
Permian Corals of Ali-Bashi Mountains, Julfa, Northwest of Iran

Abbas Ghaderi; Mahdi Badpa; Ali Reza Ashouri

Volume 29, Issue 114 , December 2019, , Pages 97-108


  To study of Permian corals at the northwest of Iran, Ali-Bashi stratigraphic section was selected and sampled. After microscopic studies of several longitudinal, transverse, and serial sections were obtained from more than 180 coral fossils, 12 species belonging to 6 genera of rogues and tabula corals ...  Read More

Devonian fish remains from Illangareh and peyr-es-hag sections, North West Iran

S Abbasi; B Hamdi; M.R Majidifard

Volume 26, Issue 101 , December 2017, , Pages 277-286


  Sampling and study of Devonian deposits in North West Iran has done in two separate sections. 1) Illangareh section, 20 km far from NE the Maku city 2) peyr-es-hag composite section, situated South Jufa (W of Peyr-es-hag and Chay kasan villages). Because less work has been undertaken in the cited sections, ...  Read More

Introduction of Permian Calcareous Algae Dasycladacean and Gymnocodiacean Family in Pir-Eshagh Section, South of Jolfa: Reporting Tabasoporella from Northwest of Iran

M Sadeghi; K Rashidi; R Shabanian

Volume 24, Issue 95 , June 2015, , Pages 55-66


  Succession of Permian system in Pir-Eshagh stratigraphic section has been mesured totally about 1400 m, which it's base consists mainly of Dorud formation with thickness of about 100 m which in turn has been overlain by Ruteh and Nesen formations with thickness of 1100 and 200 m respectively. Lower boundary ...  Read More