Constraints from geochemistry, zircon U-Pb geochronology and Hf-Nd isotopic compositions on the origin of Cenozoic volcanic rocks from central Urumieh-Dokhtar …

S Babazadeh, M D'Antonio, JM Cottle… - Gondwana …, 2021 - Elsevier
Considerable debate persists regarding the petrogenesis of high-alumina basalts (HAB)
which are purported to occur exclusively in subduction zones. Major and trace element …

Petrogenesis of Miocene igneous rocks in the Tafresh area (central Urumieh‐Dokhtar magmatic arc, Iran): Insights into mantle sources and geodynamic processes

S Babazadeh, D Raeisi, M D'Antonio, M Zhao… - Geological …, 2022 - Wiley Online Library
Cenozoic tectono‐magmatism in Iran is widely considered to be related to subduction of the
Neo‐Tethys Ocean. We employed whole‐rock and mineral geochemistry and isotopic data …

The Van microplate: a new microcontinent at the junction of Iran, Turkey, and Armenia

H Azizi, M Tsuboi - Frontiers in Earth Science, 2021 - frontiersin.org
In northwestern Iran, magmatic activity occurred during three main intervals: The
Cretaceous, Eocene, and Miocene-Quaternary. The first two phases of magmatic activity are …

Geochemical evidences for quantifying crustal thickness over time in the Urumieh-Dokhtar magmatic arc (Iran)

R Chaharlang, MN Ducea, J Ghalamghash - Lithos, 2020 - Elsevier
Geochemical data on igneous rocks of the Urumieh-Dokhtar magmatic arc (UDMA) are used
to reconstruct temporal variations in crustal thickness during the Tertiary. We use two …

[HTML][HTML] Saveh-Nain-Jiroft Magmatic Belt replaces Urumieh-Dokhtar Magmatic Belt: Investigation of genetic relationship between porphyry copper deposits and …

MH Karimpour, M Rezaei, A Zarasvandi… - Journal of Economic …, 2021 - econg.um.ac.ir
IntroductionAbout 75% of world copper, 50% of molybdenum, and 20% of gold are produced
from porphyry copper deposits (Sillitoe, 2010) with an average ore grade of 0.45–1.5% Cu …

Cenozoic temporal variation of crustal thickness in the Urumieh-Dokhtar and Alborz magmatic belts, Iran

F Sepidbar, O Karsli, RM Palin, F Casetta - Lithos, 2021 - Elsevier
We present regional variations of whole-rock Sr/Y and (La/Yb) N ratios of magmatic rocks
along the Cenozoic Urumieh-Dokhtar and Alborz magmatic belts, Iran. Both the magmatic …

A new perspective on Cenozoic calc-alkaline and shoshonitic volcanic rocks, eastern Saveh (central Iran)

F Nouri, H Azizi, Y Asahara, RJ Stern - International Geology …, 2021 - Taylor & Francis
ABSTRACT Late Eocene–Oligocene volcanic rocks in the eastern Saveh region of the
Urumieh-Dokhtar magmatic arc (UDMA) are representative of Paleogene magmatic activity …

[HTML][HTML] The spatial–temporal evolution of Neotethyan subduction in central to Southeast Iran: Constraints from geochemistry, zircon U–Pb–Hf, and Sr–Nd–Pb …

S Babazadeh, D Raeisi, M Santosh, T Furman… - Chemical …, 2024 - Elsevier
Igneous rocks in central Iran preserve proof of several episodes of Late Mesozoic–Cenozoic
Neotethyan subduction, and record temporal and spatial variations from subduction to …

Zircon U–Pb age, whole-rock geochemistry and Nd–Sr–Pb isotope constraints on petrogenesis of the Eocene Zajkan gabbro–monzogranite intrusion, Tarom-Hashtjin …

MAA Mokhtari, H Kouhestani, KZ Qin - Australian Journal of Earth …, 2022 - Taylor & Francis
The late Eocene high-K to shoshonitic Zajkan intrusion, situated in the Tarom-Hashtjin
magmatic belt (THMB), NW Iran, ranges in composition from gabbro to pyroxene quartz …

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

H Daneshvar, H Kouhestani, MAA Mokhtari… - Journal of Economic …, 2023 - econg.um.ac.ir
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 …