Results 11 to 20 of about 553,575 (206)

The Cimmerian accretionary wedge of Anarak, Central Iran

open access: yesJournal of Asian Earth Sciences, 2015
Abstract The occurrence in Iran of several ophiolite belts dating between Late Palaeozoic to Triassic poses several questions on the possible existence of various sutures marking the closure of the Palaeotethys ocean between Eurasia and this Gondwana-derived microplate. In this scenario, the Anarak region in Central Iran still represents a conundrum.
A. Zanchi   +8 more
openaire   +3 more sources

Carbinatitic magmatism evidence in the Quaternary volcanic rocks in the west of Nowbaran, NW of Iran [PDF]

open access: yesپترولوژی, 2019
The fourteen numbers of ultrabasic volcanoes eruption in the west of Nowbaran are located in the west margin of Iranian central zone near to the Sanandaj-Sirjan zone.
Bahman Rahimzadeh   +3 more
doaj   +1 more source

Petrography, geochemistry and tectonic setting of mafic- ultramafic intrusion in the Bafq 15th anomaly (Iron) (Central Iran) [PDF]

open access: yesپترولوژی, 2020
The mafic- ultramafic intrusion in the Bafq anomaly Iron located 35 Km northwest of Bafq city, Central Iran. The 15th anomaly intrusion intruded the Rizu sequence series, stratigraphically attributed to early Cambrian magmatism in the west of Posht-e ...
Sakine Amraei   +2 more
doaj   +1 more source

Investigation of alkaline basalts of Joupar block located in south of Kerman [PDF]

open access: yesپترولوژی, 2019
In the western part of the Joupar Mountains, a set of Neogene basic rocks cover the felsic rocks. Volcanic rocks suite consisting of basalt- andesite- dacite and rhyolite.
Farzaneh Arzhangnezhad   +3 more
doaj   +1 more source

Geometric morphometric study of two species of the psammophilous genus Erodiontes (Coleoptera: Tenebrionidae) from the Lute desert, Central Iran [PDF]

open access: yesIranian Journal of Animal Biosystematics, 2009
A geometric morphometric study of the genus Erodiontes was carried out using the Elliptic Fourier method to demonstrate the effect of vicariance on populations of these psammophilous species. Four populations of Erodiontes, comprising E.
S. Taravati, J. Darvish, O. Mirshamsi
doaj   +1 more source

Magmatic Evolution of the Upper Eocene Monzonitic stock in the Kuh-e-Kalut-e-Ghandehari (Northwest of Anarak, Isfahan province)

open access: yesJournal of Economic Geology, 2023
In central part of the Mesozoic Ashin ophiolite (Northwest of Anarak, Isfahan province, Iran), the Upper Eocene monzonitic stock cross cuts the Ashin ophiolite and Middle Eocene volcanic rocks.
Marzieh Ghadirpour   +2 more
doaj   +1 more source

Evalution of Mineralization Potential of Superficial Uranium (Playa Type) in Dagh-E-Sorkh Basin- Central Iran [PDF]

open access: yesمجله علوم و فنون هسته‌ای, 2019
Uranium playa type is limited reserves which are formed in special conditions. The Dagh-e-Sorkh playa is located at 30 km north-norgh east of Ardestan which is located in the Central part of Iran. The two main facies type of basin, including pediment and
K Pazand   +3 more
doaj   +1 more source

Evolution history of north Anarak, Central Iran ophiolitic olistoliths using petrographical and mineral chemistry studies [PDF]

open access: yesپترولوژی, 2021
Anarak ophiolite, belonging to Paleozoic, formed along with the tectonic evolution of the Paleo- Tethys Ocean, consisting of meta- peridotites of mantle and crust, cumulate rocks, massive gabbros, pillow lava, basic and ultrabasic dikes, rodingite and ...
Elahe Zarei   +2 more
doaj   +1 more source

Re-examination of late Early Permian fusulinids in North Tabas, East-central Iran and their palaeotectonic, palaeoclimate and palaeobiogeographic applications [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2020
The upper Yakhtashian to Bolorian Bagh-e Vang Formation was studied in two stratigraphic sections in north Tabas, east-central Iran. The examination of fusulinids and small foraminifers of the Bagh-e Vang Formation in two studied sections led to the ...
Safoora Yasbolaghi Sharahi   +4 more
doaj   +1 more source

Palynostratigraphy and palaeoecology of the Niur Formation, Tikdar section, northwest of Kerman, Central Iran [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2019
Diverse, moderately to well-preserved palynomorphs including acritarchs (sensu stricto), prasinophytes cyst, chitinozoans, scolecodonts, and spores occur in some surface samples (90 meters thereof) of the Niur Formation (200 m thick) at the Tikdar ...
Hossein Hashemi   +2 more
doaj   +1 more source

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