Results 101 to 110 of about 18,181 (272)

The spatial and compositional evolution of the Jurassic Ghorveh-Dehgolan plutons of the Zagros Orogen, Iran: SHRIMP zircon U-Pb and Sr and Nd isotope evidence

open access: yesGeologica Acta, 2015
The Ghorveh-Dehgolan plutons of the northern Sanandaj-Sirjan Zone, Zagros Orogen, comprise seven composite intrusive bodies that were generated during northeastward subduction of Neotethys beneath the Iranian sector of the Eurasian plate.
S. YAJAM   +5 more
doaj  

Corundum-rich dykes constraining Triassic alkaline magmatism in the Ivrea-Verbano Zone (Southern Alps): a zircon approach

open access: gold, 2021
Mattia Bonazzi   +6 more
openalex   +1 more source

Timing of magmatism of the Ditrău Alkaline Massif, Romania – A review based on new U–Pb and K/Ar data [PDF]

open access: diamond, 2021
Elemér Pál‐Molnár   +8 more
openalex   +1 more source

Southern Urals lamproites: the problems of terminology, age, and geodynamic interpretation

open access: yesЛитосфера, 2017
We have studied mineral and chemical composition of lamproites from Kalymbaevsky Complex the Middle Trias. These lamproites were developed in Magnitogorsk and Eastern-Urals megazones of the Southern Urals.
S. V. Pribavkin
doaj   +2 more sources

MINERALOGICAL, PETROGRAPHIC AND GEOCHEMICAL EVIDENCE FOR ZIRCON FORMATION CONDITIONS WITHIN THE BURPALA MASSIF, NORTHERN BAIKAL REGION

open access: yesГеодинамика и тектонофизика
This paper reports investigation on zircons from quartz syenite, alkaline and foid syenite, as well as metasomatic rock from the fenitization zone hosted by the Burpala massif.
A. E. Starikova   +7 more
doaj   +1 more source

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