Results 21 to 30 of about 3,153 (50)

Discovery of trilobite trace fossils from the Early to Middle Cambrian, Tabas Block, Central Iran [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2017
Early to Middle Cambrian successions exposed at the Shirgesht area, Tabas Block of central Iran has yielded a high diversity and abundant ichnofossils with arthropod trackways. These trace fossils contain diverse ethological patterns, including furrowing
ئارام بایت گل   +2 more
doaj   +1 more source

Sequence stratigraphy of the Qom Formation in the Sirjan–Abadeh region [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2021
Sequence stratigraphy of the Qom Formation deposits (in two stratigraphic sections) in the Sirjan–Abadeh region has been studied. This formation in the Sirjan area (Bujan section; with Rupelian–Chattian age and 156 m thickness), consists mainly of medium-
Ebrahim Mohammadi
doaj   +1 more source

Reservoir quality of the Jahrum carbonate succession; a case study from the Fars region of Zagros Basin, SW Iran [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2020
Eocene to Oligocene–Miocene carbonates of Jahrum and Asmari formations form the reservoirs of the Khesht Field in the Fars Province, the Zagros Foreland basin. In this study, the reservoir characteristics of the upper parts Jahrum Formation in the Khesht
Roghayeh Fallah Bagtash   +3 more
doaj   +1 more source

Paleoecology and biostratigraphic data of the large benthic foraminifera in the Oligocene-Miocene Qom Formation in Kahak area, in the Urumieh-Dokhtar province in Iran [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2016
The Oligocene-Miocene Qom Formation was deposited in different thickness in the Central Iran, Urumiehh–Dokhtar magmatic arc and Sanandaj–Sirjan provinces in Iran.
mahnaz amirshahkarami, mona naimi
doaj  

Microbiostratigraphy of the Jahrum Formation in Nimbashi section, West Estahban, Fars [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2018
Introduction:  Zagros sedimentary basin in the south and southwest of Iran holds oil and gas huge reservoirs. This basin which bordered the closure of the Paleotethys ocean (Berberian and King 1981), with high thickness of sedimentary sequences laid down
Reza Sadeghi, Maryam Jokar
doaj   +1 more source

رخساره‌های سنگی، پیوستگی رسوبی و ترکیب رسوبات در رودخانه صدخرو (غرب سبزوار) [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2015
رودخانه صدخرو در شمال روستایی به همین نام و در غرب سبزوار از حوزه آبریزی به مساحت 321/66 کیلومتر مربع منشا می‌گیرد و با طی مسافت 5/16 کیلومتر به دشت می‌رسد. این رودخانه از نوع ب ریده بریده و با بار بستر گراولی است.
Assadollah Mahboubi   +3 more
doaj  

Petrography and geochemistry of siliciclastic sedimentary rocks of the Padeha Formation in Khoshyeilagh section; Eastern Alborz; implication for provenance [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2019
In this study, petrography and geochemistry of the sandstones and shales of Padeha Formation in Khoshyeilagh section in Eastern Alborz have been used to obtain more information on their provenance.
Mehdi Hosseini   +3 more
doaj   +1 more source

Distribution pattern of the heavy metals in stream sediments of the Baycheh-Bagh area, northwest of Zanjan [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2019
In order to investigate the concentrations of heavy metals in stream sediments of the Baycheh-Bagh area, northwest of Zanjan province, 131 samples were collected from intended stations.
Nashmil Zaheri   +3 more
doaj   +1 more source

Microfacies characteristics, sedimentary environments and sequence stratigraphy of Upper Cretaceous deposits in northwest of Nehbandan (Basiran section) [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2015
  Introduction   The Basiran stratigraphic section is located about 160 km northwest of Nehbandan.The section was measured in detail at 59 06 30 N and 31 52 50 E. Nehbandan area with respect to fourfold geological subdivision of Iran is part of Central
Azadeh Bordbar   +2 more
doaj  

Study of water-level fluctuations throughout the deposition of the Gurpi Formation based on palynological data in the west of Dehrolan, south of Ilam [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2020
To analyze the sedimentary palaeoenvironment of the Gurpi Formation in Bisheh–Deraz section in south of Ilam, various factors including diversity and abundance of dinocysts, a ratio of Peridinioid to Gonyaulacoid (P/G) dinoflagellate cysts, palynofacies ...
Mahsa Amiri, Elahe Zarei
doaj   +1 more source

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