Results 11 to 20 of about 9,584,443 (220)

Reconstruction of the depositional sedimentary environment of Oligocene deposits (Qom Formation) in the Qom Basin (northern Tethyan seaway), Iran [PDF]

open access: diamond, 2020
During the Rupelian–Chattian, the Qom Basin (northern seaway basin) was located between the Paratethys in the north and the southern Tethyan seaway in the south.
A. Safari   +3 more
semanticscholar   +5 more sources

Biostratigraphy of the Qom formation deposits based on calcareous nannofossils in the South east Kashan [PDF]

open access: greenJournal of Stratigraphy and Sedimentology Researches, 2016
In this study, the sediments of Qom Formation were investigated in South East of Kashan. This Formation with a thickness of about 339 m consists of marl, limestone and marly limestone that disconformity lie between Lower Red Formation and conglomerate of
saeedeh senemari
doaj   +2 more sources

PALEONTOLOGICAL STUDY OF THE ECHINODERMS IN THE QOM FORMATION (CENTRAL IRAN) [PDF]

open access: diamondEarth Sciences Research Journal, 2007
The Qom formation was formed in the Oligo-Miocene during the final sea transgression in Central Iran (Figure 1). The best outcrop is located in the vicinities of the Qom City, approximately 130<br />km at the south of Tehran.
Moghadam Iraj Maghfouri, Khaksar Keyvan
doaj   +5 more sources

Biostratigraphy, microfacies and reservoir quality of the Oligocene Qom Formation (Kharzan section, Northwest of Ardestan, Central Iran) [PDF]

open access: diamondGeological Quarterly, 2023
The central Iran Basin is a region with unique environmental characteristics in which the Late Paleogene–Early Neogene benthic foraminifera display distinctive distributions and abundances that can assist in identifying the intervals with the best ...
Asma Aftabi Arani   +4 more
semanticscholar   +4 more sources

Microfacies models and sequence stratigraphic architecture of the Oligocene–Miocene Qom Formation, south of Qom City, Iran [PDF]

open access: hybrid, 2015
The Oligocene–Miocene Qom Formation has different depositional models in the Central Iran, Sanandaj–Sirjan and Urumieh-Dokhtar magmatic arc provinces in Iran. The Kahak section of the Qom Formation in the Urumieh-Dokhtar magmatic arc has been studied, in
Mahnaz Amirshahkarami, Mahnaz Karavan
semanticscholar   +3 more sources

Porosity estimation using post-stack seismic inversion method in part of the Qom Formation in the Aran Anticline, Central Iran [PDF]

open access: diamondKharazmi Journal of Earth Sciences, 2021
Porosity estimation using post-stack seismic inversion method in part of the Qom Formation in the Aran Anticline, Central ...
Noshin Sharifi   +3 more
semanticscholar   +2 more sources

Decapod crustacean from the Qom Formation (Lower Miocene) of the Isfahan area, Central Iran [PDF]

open access: greenJournal of Stratigraphy and Sedimentology Researches
The discovery of a new specimen of Portunus withersi (Glaessner 1933) from the Lower Miocene Qom Formation in the Vartun section, north of Isfahan (Central Iran), contributes to our knowledge of this portunid species, to which most fossil portunids found
Ali Bahrami   +5 more
doaj   +2 more sources

Decapod crustaceans from the lower Miocene Qom Formation of the Isfahan area, Central Iran

open access: diamondBoletín de la Sociedad Geológica Mexicana, 2021
From the lower Miocene (Burdigalian) of the Qom Formation, exposed in three sections (Kuh-e-Donbeh, Bagher-Abad, and Vartun) in Central Iran, a deca-pod crustacean assemblage is described.
M. Hyžný   +3 more
semanticscholar   +2 more sources

Paleoecology of Lower Miocene coralline red algae-rich grainstone facies in the Qom Formation (Vartun section, central Iran)

open access: diamondBoletín de la Sociedad Geológica Mexicana, 2022
In this paleoecological study we focused on coralline red algae-rich shoal grainstone facies in the Lower Miocene (Aquitanian) carbonates of the Qom Formation in the Vartun section in central Iran.
Amir Hossein Rahiminejad   +2 more
semanticscholar   +2 more sources

The Oligo-Miocene Qom Formation (Iran): Re-examination of biostratigraphy and age interpretations in the Sanandaj–Sirjan and Central Iran basins (NE margin of the Tethyan Seaway) [PDF]

open access: bronzeJournal of Foraminiferal Research
The depositional history of the Qom Formation, along the northeastern margin of the Tethyan Seaway, is recognized as essential to understanding the connection between the Eastern Tethys (the proto-Indian Ocean) and the Western Tethys regions (the proto-
Ebrahim Mohammadi
semanticscholar   +2 more sources

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