Results 71 to 80 of about 1,166,788 (193)

Mikrofazies, Biostratigraphie und Ablagerungsräume der eozänen Schichtenfolge des Zagros-Gebirges und der Sanandaj-Sirjan-Zone (Iran) [PDF]

open access: yes, 2017
Two Eocene sections in the Zagros Mountains and two in Sanandaj-Sirjan Zone of west and cental Iran have been investigated with the purpose to determine the age of the sections based on planktonic and benthic foraminifera, to analyze the sedimentary ...
Almasinia, Banafsheh
core  

A database of detrital zircon U–Pb ages and Hf isotopes for the Middle East (Iranian and Arabian plates)

open access: yesGeoscience Data Journal, Volume 11, Issue 2, Page 107-117, April 2024.
A total of 41,342 detrital zircon U–Pb ages and 6,129 Hf isotopes were compiled. Different zircon features in response to the tectonic events in the Middle East. Potential uses in provenance and palaeogeographic analysis. Abstract The detrital zircon records significant information in the ‘source‐sink’ system.
Gaoyuan Sun, Jianuo Chen
wiley   +1 more source

Geochemistry, mineral chemistry and P-T evaluation of metasediments of Bahram-Gur complex, ES Sanandaj-Sirjan zone, Iran [PDF]

open access: yes, 2019
The Bahram-Gur area in the southeastern part of the Sanandaj–Sirjan metamorphic zone, contains metabasites and metasediments. The metasedimentary rocks are mainly garnet schists and garnet-staurolite schists that were metamorphosed under amphibolite ...
Nakashima, Kazu   +2 more
core   +1 more source

Environmental geochemistry of potentially toxic elements in tailing of the Ahangaran Pb-Zn mine, Hamadan province

open access: yesJournal of Economic Geology
The present study aims to investigate the environmental geochemistry of potentially toxic elements (PTEs) in tailing samples of the Ahangaran Pb-Zn mine, located 95 km southeast of Hamadan.
Mahrokh Ghanbari Mohazzab   +2 more
doaj   +1 more source

Mineral chemistry and geothermobarometry of gabbroic dykes ‎of the Garmab Ophiolite sequence ‎‎(Northeast of Kamyaran)‎ [PDF]

open access: yesپترولوژی, 2018
The Garmab ophiolite complex, a part of the Ophiolite-Radiolithic zone of Kermanshah, is located in the northeast of Kamyaran. In view of the Iranian geo-structural zones, this complex is situated between the Sanandaj-Sirjan Zone and the Zagros thrust ...
shahryar Mahmoudi   +2 more
doaj   +1 more source

A revised model for Neogene Zagros foreland sedimentation in the Lurestan arc based on new geochemical data

open access: yesBasin Research, Volume 36, Issue 2, March–April 2024.
Y/Ni versus Cr/V diagram (Hiscott, 1984) as an indicator of ultramafic input for samples from the Gachsaran Fm, the Lower Aghajari Mb and the Lahbari Mb UM‐ultramafic, GR‐granitic, ME‐metamorphic endmembers and mixing hyperboles modified from Dinelli et al. (1999).
Christian A. F. Dietzel   +4 more
wiley   +1 more source

Structural evolution of the Laibid pop-up structure, Sanandaj-Sirjan Zone, West Iran [PDF]

open access: yes, 2011
The Laibid pop-up structure is located in the highly deformed sub-zone of the Sanandaj-Sirjan Zone, western Iran. In this zone, structural trends are parallel to the Zagros fold-thrust belt (NW-SE), but the pop-up structure has a different trend of E-W ...
Aflaki, M., Mohajjel, M.
core  

U-Pb dating and geodynamics of mafic bodies at the southern margin of Lake Urmia, an evidence of Cretaceous magmatism in northwest Iran [PDF]

open access: yesعلوم زمین خوارزمی
In the northwestern part of the Sanandaj-Sirjan zone, mafic intrusive bodies are aligned with the trend of the Zagros orogenic belt. In this part of the Iranian lithosphere, magmatic activity occurred during three main periods: Cretaceous, Eocene, and ...
Mohammad Najari   +2 more
doaj  

Geothermometry obtained from the calcite twin and fluid inclusions in barite (Irankuh Pb-Zn deposit, Southwest of Isfahan) [PDF]

open access: yesپترولوژی, 2017
The Irankuh mining district is located 20 km southwest of Isfahan and is geologically situated in Sanandaj - Sirjan zone and the lower Cretaceous sequence of Isfahan-Malayer ore mineralization area. The ore minerals are emplaced in the faulted contact of
Alijan Aftabi, Hengameh Hosseini-Dinani
doaj   +1 more source

Investigation on tourmaline occurrence in the metamorphic complex in the north of Golpayegan, Sanandaj-Sirjan Zone

open access: yesپترولوژی, 2022
The occurrence of tourmaline in the metamorphic complex of the north of Golpayegan is observed within the granitoid mass and schists in contact with granitoid and marbles.Speaking of abundance, tourmaline is less frequently a minor mineral found in granites and granitic pegmatites as well as in low- to high-grade metamorphic rocks (Krmícek et al., 2020)
Solomon Ahmadi Bonakdar   +2 more
openaire   +1 more source

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