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)
Lithostratigraphy and biostratigraphy of the Silurian sequence at Robat-e-Qarebil stratigraphic section, based on conodonts

A. Ghaderi; J. Taheri; A. Kerachian; A. Mousavinia

Volume 27, Issue 107 , June 2018, , Pages 165-172


  Investigation of Silurian succession equivalent to the Niur Formation at the northwest of Robat-e-Qarebil (instantly south of Western Kopeh-Dagh), is led to introduction of lithostratigraphical units in details and identification of some Llandovery conodonts. The sampled interval in this stratigraphic ...  Read More

Cambrian-Ordovician boundary in Western Koppeh-Dagh and Eastern Alborz

H Jahangir; M Ghobadi Pour; A.R Ashouri

Volume 26, Issue 101 , December 2017, , Pages 3-10


  The Cambrian- Ordovician boundary strata in the Kalat section, western Koppeh-Dagh, comprise continuous succession of fine clastic sediments, mostly argillites with some shell beds, accumulated offshore. This interval contains  analmost complete succession of conodont biozones, including the Cordylodus ...  Read More

Biostratigraphy of Devonian successions in Illanghareh, Illanlu and Pir-Eshag sections, North West Iran, based on Conodonts

S Abbasi; B Hamdi; M.R Majidifard

Volume 25, Issue 99 , June 2016, , Pages 209-226


  Study of conodont fauna from the Illanghareh Formation in Illanghareh, Illanlu and Pir-Eshag sections provide new data on the stratigraphy of this formation in the North West Iran. Illanghareh section is a terrigenous-carbonate rock sequence, consists mainly of quartzarenite sandstone, shale, and carbonate ...  Read More

Conodonts Biostratigraphy of Mila Formation, Shahmirzad Section, Central Alborz, Iran

S Soleymani; B Hamdi; A.R Karimi Bavandpur

Volume 25, Issue 98 , March 2016, , Pages 137-146


  The studied section is located in the southern flank of the Central Alborz, 5 kilometers north of Shahmirzad City in the Semnan province. This section is situated at 35° 48′ 40″ N latitude and 53° 16′ 59″ E longitude. The Mila Formation has 5 measurable members in Type ...  Read More

Litho-Biostratigraphy of Permian and Lower Teriassic Deposits in the Sibestan Section (Northwest Of Tehran)

N Haghighat; P Mansuri

Volume 24, Issue 95 , June 2015, , Pages 45-54


  The Permian deposits in the Sibestan section located at 65 km. northwest of Tehran and consist of 3 formal Formations. In order from lower to upper: 1- Dorud Fm. consisting of 205 meters of siliciclastic deposits of early Permian age and according to the lithostratigraphy facies is divided into 10 rock ...  Read More

Sequence Stratigraphy of Padeha and Bahram Formations in Baghin Section (West of Kerman) based on Lithofacies and Conodontfacies

Z Khosravi; S.M Hosseini-Nezhad

Volume 23, Issue 92 , September 2014, , Pages 47-55


  The carbonate and terrigenous sedimentary sequence of the Padeha and Bahram formations (late Givetian- late Frasnian) with a total thickness of 126 m have a gradational and conformable contact at Baghin region of W Kerman in Central Iran. The terrigenous facies are mainly consisting of sandstone and ...  Read More

Biostratigraphy of Mobarak Formation at Valyabad Section , Chalous Road

N. Ranjkesh; Bahaedin Hamdi Hamdi

Volume 21, Issue 83 , December 2012, , Pages 111-122


  The Mobarak Formation with 347.5 m, thickness is well exposed  in Valyabad section , at the Karaj - Chalus road . The lower contact with underlying  Laloon Formation is disconformable ,whereas stratigraphic relation to the overlying Dozdeband formation is transitional. According to the lithological  ...  Read More

Comparision of Carboniferous- Permian deposits in Abadeh Areas (Banarizeh & Esteghlal Sections) with Neighborhood Area based on Conodont

M. Nouradiny; S. Rahmati; M. Yazdi

Volume 20, Issue 77 , January 2010, , Pages 175-180


  The studied sections are located in southwestern of central Iran. Main lithology of these sections are including shale, sandstone and limestone. Four biozones had been recognized base on Conodont. That contain Idiognathodus delicates Zone, Streptognathodus oppletus Zone, Sweetognathus whitei Zone. And ...  Read More

Biostratigraphy of the Shirgesht Formation in Kalmard Mountains in Southwest of Tabas with special Emphasis on Conodonts

A. Ghaderi; A. Aghanabati; B. Hamdi; A. Saeedi

Volume 18, Issue 70 , February 2009, , Pages 28-37


  To study the Shirgesht Formation biostratigraphy in Kalmard Horst in relation to its conodont content, the Miyugodar (Miangodar) stratigraphic section was selected which is located in southwest of Tabas city. The Shirgesht Formation in the mentioned section is mainly composed of siliciclastic rock units ...  Read More

Biostratigraphy of the First and Second Members of Type Section of the Shirgesht Formation in North of Tabas with Special Emphasis on Conodonts

A. Ghaderi; A. Aghanabati; B. Hamdi; J. F. Miller

Volume 17, Issue 67 , February 2008, , Pages 150-163


  The Shirgesht Formation is one of the fossiliferous units of Central Iran which in the type section is defined (informally) in the terms of 3 members. This formation is mainly composed of limestone, marl, siltstone, shale and dolomite, conformably overlay on the upper part of the Derenjal Formation with ...  Read More

Biostratigraphic Study of Mila Formation in Shahmirzad Section, North of Semnan with Special Reference to Conodonts

L. Fazli; B. Hamdi

Volume 17, Issue 68 , February 2008, , Pages 190-195


         The Mila formation from late Early Cambrain to Early Ordovician age is well exposed in the Shahmirzad section consists of 5 lithological members. Several biozones of conodonts have been identified in this section, several taxa of body and trace fossils have been collected ...  Read More

Stratigraphy of the Upper Devonian Rocks in the Kalariz Section

S. M. Hosseini-Nezhad; M. Yazdi; M. Ghobadi-Pour; H. Gholamalian

Volume 16, Issue 63 , March 2007, , Pages 78-85


        Geirud formation deposits of Kalariz in the Eastern Alborz start with a relatively thick sequence of sandstone, shale, and red, white and brown colored siltstone changing into yellow dolomitic layers, fossiliferous limestone and shaly or marly limestone. This formation ...  Read More