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)
Stratigraphy and Palaeontology
Lithostratigarphy and Biostratigaraphy of the Dalichai Formation in Absharaf Section, Northwest of Damghan on the base of Ammonites (East Alborz)

marjan zadesmaeil; Mahmoud Reza Majidifard; Seyed Hamid Vaziri; Davood Jahani

Volume 31, Issue 2 , September 2021, , Pages 91-100


  The Middle and Upper Jurassic sedimentary well successions is located in the northwestern Damghan, (eastern Alborz range). The Dalichai Formation with a thickness of 618 meters in the studied section consists of marl, limestone and marly limestone. The lower boundary with the siliciclastic of the underlying ...  Read More

Stratigraphy and Palaeontology
Lithostratigraphy and Biostratigraphy of the ammonites from the Upper Chaman Bid Formation (Tithonian) at the type locality (NE Iran, Koppeh Dagh)

Tayaebe Sarbandi Farahani; Mehdi Yazdi; Mahmoud Reza Majidifard

Volume 30, Issue 118 , January 2021, , Pages 95-108


  The present study deals with the ammonites from the upper part of the Chaman Bid Formation, member 4 (Middle-Upper Jurassic) at the type locality. Lithostratigraphicall, it is consites alternation of limestone and marls.Following ammonite families are present: Perispinctidae, Ataxioceratidae, Haploceratidae, ...  Read More

Description and biostratigraphy of the ammonite fauna from the Kazhdumi Formation at Tang-e-Maghar, Northwest of Behbahan (Zagros Basin)

A. Yavari; M. Ghavidel syooki; M. R. Majidifard; S. H. Vaziri

Volume 27, Issue 107 , June 2018, , Pages 221-232


  The Kazhdumi Formation is well exposed and accessible in Tang-e Maghar, northwest of  Behbahan city, Zagros basin. In this area, this formation has a thicknees of 344 m and it mainly consists of alternation of black - gray shale with medium – thin-bedded cream – gray argillaceous limestone. ...  Read More

Albian ammonites of the Kazhdumi Formation in the Nar section, east of Bushehr (Zagros zone)

A Asadi; M.R Majidi fard; S.H Vazirii; M Yousefi rad

Volume 25, Issue 98 , March 2016, , Pages 199-212


  Considering  importance of ammonite fauna in biostratigraphy and sedimentary basins and due to the lack of studies on the ammonite fauna in the Kazhdumi Formation, the Nar stratigraphic section was selected and studied in the coastal Fars, northeast of Kangan (East Bushehr). The formation with a ...  Read More

Study of the Lithostratigraphy and Biostratigraphy of Ammonite Fauna of the Dalichai Formation at the Mahdishahr Section, N Semnan

T Sarbandi Farahani; M.R Majidifard; M.R Kebriaee- Zadeh; M Mohammadi

Volume 24, Issue 94 , March 2015, , Pages 27-38


  The Middle Jurassic rocks are widely distributed and superbly exposed in the AlborzMountains (Northern Iran). In the central part of the mountain range, near Mahdishahr (Northern Semnan), the Dalichai Formation, from the underlying conglomerate and sandstones of Shemshak Formation to the limestones of ...  Read More

Lithostratigraphy and Biostratigraphy of the Middle Part of the Shemshak Group at GolbiniSection Based on Ammonites, NE Jajarm, Eastern Alborz

Z Kiadaliri; M.R Majidifard

Volume 24, Issue 94 , March 2015, , Pages 91-100


  The Lower- Middle Jurassic strata are well developed in northeast of Jajarm (E Alborz). At the study section, the Shemshak Group has a maximum thickness of 585 m, consisting of grey silty sandstones and light- green siltstones with brown sandstones, subdivided into 3 formations ofAlasht, Shirindasht ...  Read More

Magnetostratigraphy of Bathonian-Callovian Boundary (Middle Jurassic) of Golbini Section, Eastern Alborz, Iran

M. Paknia; Habib Alimohammadian; M. R. Majidifard; J. Sabouri; A. Aghanabat

Volume 22, Issue 88 , December 2013, , Pages 19-30


  The Golbini section comprising of continuous succession of sediments ranging in age from Triassic – Jurassic formations, is situated at 35 Km north – east of Jajarm city. On the bases of studies on Dalichai Formation at this section and at about Middle Jurassic (Bathonian–Callovian ...  Read More

Biostratigraphy and Lithostratigraphy of the Middle and Late Jurassic Rocks West of Binalud Range Northwest of Neyshabour, Northeast Iran

F. Dabbaghi Sadr; K. Seyed-Emami; M. Majidi Fard

Volume 22, Issue 85 , December 2013, , Pages 35-46


  Upper Jurassic rocks are well developed at the western part of the Binalud Range (northeast Iran). These consist mainly of limestone, marlstone and marl with few intercalations of sandstone and conglomerate. The thickness of this succession in the study section (Bormahan, northwest of Neyshabour) ...  Read More

Lithostratigraphy and Biostratigraphy of the Dalichai Formation at Talu (Northeast Damghan, Alborz) based on Ammonoids

K. Seyed Emami; N. Behfar; M. R. Majidifard; A. Behfar

Volume 21, Issue 82 , December 2011, , Pages 39-52


  Middle Jurassic strata are well developed northeast of Damghan (E Alborz). At the study section the Dalichai Formation has a maximum thickness of 156 m, consisting of an alternation of bluish-grey limestones and marls, being subdivided into 4 members. The lower boundary with the siliciclastics of the ...  Read More

Biostratigraphy of the Middle - Late Jurassic Rocks, West of Binalud Range (Baghi) Northwest of Neyshabour

A. R. Ashouri; M. R. Majidifard; M. Vahidinia; A. Raoufian

Volume 20, Issue 80 , January 2011, , Pages 3-14


  A thick succession of Middle – Late Jurassic rocks in the western part of BinaludRange has been studied. This succession consists mainly of limestone, marly limestone and marl. The thickness of the succession in the study section (Baghi, north of Neyshabour) is 709 meters and is subdivided into ...  Read More

Lithostratigraphy and Biostratigraphy of the Dalichai Formation (Middle Jurassic) in Parvar Area, North of Semnan, Central Alborz

M. Shams; K. Seyed-Emami

Volume 19, Issue 75 , January 2010, , Pages 89-94


  The Dalichai Formation and its ammonite fauna is studied for the first time in the Parvar area, Central Alborz. At Parvar the Dalichai Formation, with a thickness of about 70 m, consist of an alternation of grayish silty marls, marlstones, marly limestone and limestone and is subdivided into 5 members. ...  Read More