Results 1 to 10 of about 425 (101)

Calcareous nannofossil biostratigraphy of Sarcheshmeh and Sanganeh formations in the west of Kopet-Dagh Basin, Sheikh Section [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2015
The Kopet-Dagh Basin is located in the north and north east of Iran, within the border triangle of Iran, Turkmenistan and Afghanistan. Sediments of Cretaceous age are well exposed in this basin.
Anoshiravan Lotfali Kani   +1 more
doaj   +4 more sources

Comparing palynofacies and palaeoenvironment of Sarcheshmeh Formation in Joragh and Sheikh section (east and west of Kopeh-Dagh Basin) [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2014
1-Introduction: Kopeh-Dagh sedimentary basin is located in NE of Iran and is mainly composed of Mesozoic and Cenozoic sedimentary rocks (35 30ˊ-38 15ˊ N, 54 00-61 31ˊE)(Afshar-Harb 1994).
Mohsen Allameh   +2 more
doaj   +2 more sources

Calcareous nannofossil biostratigraphy of Sarcheshmeh and Sanganeh formations at Qaleh Jegh and Yazdan Abad sections (West of Kopet-Dagh Basin) [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2017
1-    Introduction Kopet Dagh Basin is located on the northeast of Iran, extending over Iran, Turkmenistan and Afghanistan with a west-northwest to east-southeast trend.
Azam Gholami Fard   +2 more
doaj   +1 more source

Palynology and paleoecology of Sarcheshmeh and Sanganeh formations at Baghak section (east of Kopeh-Dagh)

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2014
1-Introduction The Kopeh-Dagh as an inverted basin (Allen et al. 2003) is extended from the east of the Caspian Sea to NE Iran, north Afghanistan and Turkmenistan.
Mahjooneh Keshmiri   +4 more
doaj   +1 more source

Paleogeography and regional interpretation of facies in Tirgan Formation, west of Kopet-Dagh sedimentary basin, northeast of Iran [PDF]

open access: yesSustainable Earth Trends, 2021
In order to study the lithostratigraphy, biostratigraphy, microfacies, depositional setting and also to reconstruct the paleo-environmental conditions of the Tirgan Formation, three outcrop sections were selected in the western part of the Kopet-Daghh ...
Atefeh Chenarani   +2 more
doaj   +1 more source

Palynofacies and Palaeoenvironment of the Sanganeh Formation, East and the Center of the Kopet-Dagh Basin [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2021
In order to identify the palynofacies and to reconstruct the paleoenvironment of the Lower Cretaceous depositions in the Kopet-Dagh sedimentary basin, the Sanganeh Formation was sampled and studied.
Narges Shokri   +2 more
doaj   +1 more source

Evidence of early Aptian Oceanic Anoxic Event 1a (OAE1a) in the Central Kopet-Dagh (Qaleh-Zoo section), with special reference to the calcareous nannofossil assemblages [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2019
In the current study, a succession from the middle part of the Sarcheshmeh Formation was investigated to record the early Aptian oceanic anoxic event 1a (OAE1a) at the Qaleh-Zoo section in the central part of the Kopet-dagh Basin.
Azam Gholami Fard   +4 more
doaj   +1 more source

A comprehensive overview of the hydrochemical characteristics of precipitation across the Middle East [PDF]

open access: yes, 2022
The Middle East is located in a semiarid and arid region and is faced with an intense water shortage crisis. Therefore, studying the hydrochemical characteristics of precipitation as a main part of the water cycle has great importance in this region. The
Amiri, Somayeh   +4 more
core   +1 more source

Biostratigraphy of the Tirgan Formation in the Kopet-Dagh basin:Stratigraphic sections of the Tirgan village and Amirabad [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2019
The Lower Cretaceous successions of the NE Iran in the sedimentary Kopet-Dagh basin are result from transgression of the Berriasian-Barremian marine, which are deposited after first erosional cycle (Late Jurassic-Early Cretaceous).
Masoumeh Gheiasvand   +4 more
doaj   +1 more source

Geochemistry, Mineralogy and Microbiology of Molybdenum in Mining-Affected Environments [PDF]

open access: yes, 2018
This is the final version of the article. Available from MDPI via the DOI in this record.Molybdenum is an essential element for life, with growing production due to a constantly expanding variety of industrial applications.
Frascoli, F, Hudson-Edwards, K
core   +2 more sources

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