Results 1 to 10 of about 7,682 (171)

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

open access: yesGeologos, 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.
Safari Amrollah   +3 more
doaj   +3 more sources

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   +2 more sources

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

open access: yesEarth 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   +4 more sources

SIRENIA FOSSILS FROM QOM FORMATION (BURDIGALIAN) OF THE KABUDAR AHANG AREA, NORTHWEST IRAN

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2016
Fossil remains of sirenians (Mammalia; Dugongidae) are reported from the late early Miocene (Burdigalian) Qom Formation near the town of Shirin Su, northwest Kabudar Ahang region, west of Tehran, Iran. The fossils consist of partial postcranial skeletons
NASROLLAH ABBASSI   +3 more
doaj   +2 more sources

Biostratigraphy and palaeoecology of Ostracodes of the Members c1 to c4 and e of the Qom Formation in the South of Shurab, Southeast of Qom [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches
: In order to study the Qom Formation, the ostracodes of members c1 to c4 and e of this formation  were studied in the south Shurab section. The studied strata in this section have a significant abundance and diversity of ostracods.
Maryam Goodarzi   +4 more
doaj   +2 more sources

BIOSTRATIGRAPHY AND PALEOENVIRONMENTAL ANALYSIS OF THE LOWER MIOCENE QOM FORMATION (JAAM AREA, CENTRAL IRANIAN BASIN)

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2023
Lower Miocene sediments from a previously not investigated outcrop of the Qom Formation (Central Iranian Basin) were studied for their foraminiferal and calcareous nannofossil content.
BOTOND LÁZÁR   +5 more
doaj   +2 more sources

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

open access: yesJournal 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

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

open access: yesJournal 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   +1 more source

Biostratigraphy and paleoecology of the Qom Formation in Chenar area (northwestern Kashan), Iran

open access: yesRevista Mexicana de Ciencias Geológicas, 2014
Se reporta el estudio de foraminíferos bentónicos grandes de la Formación Qom, con 147 m de espesor, en el area de Chenar (noroeste de Kashan). Ciento doce secciones delgadas fueron preparadas y la distribución de foraminíferos bentónicos fue analizada ...
Elham Behforouzi, Amrollah Safari
doaj   +1 more source

Temporal and spatial distribution of the Qom Formation pyroclastic deposits with special emphasis on SE Kerman Province: Their application in (tephra) event stratigraphy [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2022
This article is the first published example of the application of (tephra) event stratigraphy in the Qom Formation as well as the temporal and spatial distribution of the Qom Formation pyroclastic deposits. The presence of igneous (volcanic) associations
Ebrahim Mohammadi
doaj   +1 more source

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