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)
Petroleum geology
Investigation of organic geochemistry and isotopic properties of bituminous deposits in Late Cretaceous - Paleocene sedimentary basin of Lorestan (case study: Kuhdasht, Poldokhtar and Sepiddasht)

Nasim Maleki Sadeghi; Ahmad Ahmadi-khalaji; Reza Zarei Sahamieh; Zahra Tahmasbi

Volume 32, Issue 4 , December 2022, , Pages 275-286

https://doi.org/10.22071/gsj.2022.340370.1994

Abstract
  The study area is a part of Zagros Folded zone and located in the Lorestan sedimentary basin. In this regard, three areas with high bitumen potential were selected, which include the northern area of Kuhdasht, northeast of Poldokhtar and southeast of Sepiddasht. In the study areas, bitumens are exposed ...  Read More

Petrology
OIB-like Alkaline Gabbro of CheshmehGhassaban-Hamedan: Implications of Middle Jurassic Neo-Tethys Ocean Ridge Subduction, Sanandaj-Sirjan Zone

Fahollah Mossavvari; Reza Zarei Sahamieh; Adel Saki; Amirali Tabakh Shabani; Ahmad Ahmadi-khalaji

Volume 29, Issue 115 , June 2020, , Pages 277-288

https://doi.org/10.22071/gsj.2018.139865.1506

Abstract
  The metamamorphic rocks of Sanandaj-Sirjan Zone (SSZ) in the west part of Hamedan at CheshmehGhassaban village were intruded by olivine gabbro- gabbro at the middle Jurassic. The rocks consist of olivine, clinopyroxene, plagioclase, phologopite, brown amphibole and biotite and belong to alkaline series, ...  Read More

Petrogenesis of adakitic and calc-alkaline granitoids in Rabor-Lalehzar region, SE of Kerman: Constraints from geochemical and Sr-Nd isotopes results

mohsen chekani moghadam; Zahra Tahmasbi; Ahmad Ahmadi-khalaji

Volume 27, Issue 108 , September 2018, , Pages 13-26

https://doi.org/10.22071/gsj.2017.82069.1081

Abstract
  Study area located on N to NW of Rabor city in Kerman province that belong to Uromieh-Dokhtar Magmatic Belt (UDMB). Most of rock lithology in this area including diorite, granodiorite and granite which have been exposed in volcanic sequences. Based on geochemical studies all of rocks in this area classified ...  Read More