Results 71 to 80 of about 452 (179)

ID-TIMS U-Pb Zircon Ages and Petrogenesis of Granitoid Magmas in Central Madagascar: Geodynamic Perspectives

open access: yesGeosciences
We present ID-TIMS U-Pb single zircon ages and major and trace element data for granitoid plutons from the Imorona–Itsindro and Kiangara suites in central Madagascar, in order to constrain the timing of igneous emplacement and investigate the ...
Tsilavo Raharimahefa   +2 more
doaj   +1 more source

Middle Cretaceous Andean‐Type Arc Evolution in the Sanandaj–Sirjan Zone (Shalair Valley), Iraq: New Geochronological and Geochemical Constraints

open access: yesGeochemistry, Geophysics, Geosystems
The middle Cretaceous granitoid plutons of the Shalair Valley, situated in northeastern Iraq, constitute a principal magmatic component of the Sanandaj–Sirjan Zone within the northwestern segment of the Zagros Orogenic Belt.
Imad Kadhim Abdulzahra   +3 more
doaj   +1 more source

Petrogenesis and tectonic setting of Bagh Pain granitoid body, Shahin Dezh, West Azerbaijan Province; using chemical minerals [PDF]

open access: yesپترولوژی
Introduction Granitoids represent the primary components of orogenic belts with a wide range of compositional variations (Kaygusuz et al., 2008). Therefore, analyzing the composition of granitoids contributes significantly to the understanding of ...
Akram Niazi   +4 more
doaj   +1 more source

Petrology and U-Pb zircon dating of intrusive rocks from A, C-south, and Dardvay districts, Sangan iron stone mine, Khaf

open access: yesJournal of Economic Geology, 2013
Sangan magnetite skarn mine is located 300 km southeast of Mashhad, along the eastern part of Khaf-Drouneh volcanic-plutonic belt. Granitoids from three areas within the Sangan mine A, C-North and Dardvay were studied.
Abbas Golmohammadi   +3 more
doaj  

Geology, mineralization, Rb-Sr & Sm-Nd geochemistry, and U–Pb zircon geochronology of Kalateh Ahani Cretaceous intrusive rocks, southeast Gonabad

open access: yesJournal of Economic Geology, 2013
Kalateh Ahani is located 27 km southeast of Gonabad within the Khorasan Razavi province. The area is part of Lut Block. Sub-volcanic monzonitic rocks intruded regional metamorphosed Shemshak Formation (Jurassic age).
Mohammad Hassan Karimpour   +4 more
doaj  

Method of choosing soils as CEB or pavement layers based on geological and environmental information and mode of treatment. [PDF]

open access: yesMethodsX, 2023
Ilalie MKB   +6 more
europepmc   +1 more source

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