Results 21 to 30 of about 1,302 (185)

Microfacies, sedimentary environment and sequence stratigraphy of the Qom Formation in Yort e Shah no-1 well and Morreh Kuh surface section (South of Tehran) [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2017
Introduction: The drilled wells in central Iran basin representing the Oligo-Miocene Qom Formation could be considered as a hydrocarbon system wherever the complete successions of these marine sediments are deposited (Baghbani 1998).
Mahmoud jalali   +2 more
doaj   +1 more source

Identification of the Oligocene-Miocene boundary in the Central Iran Basin (Qom Formation): calcareous nannofossil evidences [PDF]

open access: yesGeological Quarterly, 2019
A diverse Late Oligocene to Early Miocene calcareous nannofossil assemblage was examined from the Qom Formation in the Central Iran Basin, and the Oligocene-Miocene boundary was identified based on the quantitative analysis of the assemblages in 303 smear slides.
Mohammad PARANDAVAR, Fatemeh HADAVI
openaire   +2 more sources

Lower Miocene uncoiled Agglutinated Foraminifera From Dobaradar Section, southeast Qom [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2016
Miocene deposits in the Middle East such as Iran are famous and significance because of good oil reservoirs and a lot of studies has been carried out for precise exploring. Iran in this region, especially in Central Iran zone, in comparison with neighbor
لیلا رمضانی دانا   +1 more
doaj   +1 more source

LOWER OLIGOCENE CORALLINE ALGAE OF THE UROMIEH SECTION (QOM FORMATION, NW IRAN) AND THE OLDEST RECORD OF TITANODERMA PUSTULATUM (CORALLINOPHYCIDAE, RHODOPHYTA)

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2018
The Rupelian Uromieh section of the Qom Formation was analyzed with the aim to provide a first description of its coralline algal assemblages, and benthic paleoenvironmental evolution through time.
DANIELA BASSO   +3 more
doaj   +3 more sources

Oligocene vertebrate footprints from the Lower Red Formation, Central Iran [PDF]

open access: yesFossil Record
The Lower Red Formation (LRF) in Central Iran consists of the alternation of red-brown terrigenous sediments, marls and evaporites with basalt intercalations, exposed under the Chattian-Burdigalian Qom Formation and deposited on Eocene volcaniclastic ...
Nasrollah Abbassi   +4 more
doaj   +4 more sources

Preliminary analysis of sedimentary characteristics and facies model of M-II layer in Kazakhstan Oilfield A [PDF]

open access: yesE3S Web of Conferences, 2022
The lithologic melange accumulation of areskum formation in akshabluk area is one of the key strata in exploration. Its basement inheritance controls the whole process of Jurassic sedimentation, and the filling and leveling gradually reduces the terrain ...
Pan Xuemei
doaj   +1 more source

Genesis of Tozlou Pb-Zn Occurrence (South of Zanjan): Evidence from Geology, Mineralization, and Geochemistry

open access: yesJournal of Economic Geology, 2023
Tozlou Pb-Zn mineralization, ~250-300m long, and ~50m thick, is hosted by limestone units of the Qom Formation. The main mineralization zone occurred as vein-veinlets and vug infill textures, where mineralization is observed as Pb-Zn-bearing barite veins
Hamed Daneshvar   +3 more
doaj   +1 more source

A Survey of the Original and Hijacked Journal Websites with the Webometrics Ap-proach [PDF]

open access: yesپژوهشنامه علم سنجی, 2018
Purpose: Using the reputation of the original journal, Internet fraudsters launch websites that are similar to the website of reputable journals to attract scholars.
Saed Ghafari, Meisam Dastani
doaj   +1 more source

Investigation and analysis of factors affecting the development of physical-spatial structure of Qom city with a futures research approach [PDF]

open access: yesجغرافیا و توسعه, 2020
Today, Awareness of the spatial structure of cities and the reasons that dominate its spatial development in different periods is necessary to control its expansion.
Sayed Ali Hosseini   +2 more
doaj   +1 more source

Biofacies Analysis of the Upper Oligocene Deposits (Qom Formation) in Urumieh Dokhtar Zone, Iran [PDF]

open access: yesAnuário do Instituto de Geociências, 2017
In order to determine the accurate paleoenvironmental conditions of Qom Formation, one stratigraphic section was studied in the Urumieh-Dokhtar Zone (West of Ashtian).
Zohre Holakouee   +2 more
doaj   +1 more source

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