Paleoproterozoic crustal evolution in the East Sarmatian Orogen: Petrology, geochemistry, Sr-Nd isotopes and zircon U-Pb geochronology of andesites from the Voronezh massif, Western Russia
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文摘

~ 2050 Ma andesites in East Sarmatian Orogen with island-arc signature.

Magma sourced from metasomatized mantle.

Compositional difference linked to contamination, fractional crystallization, and variations in source composition.

Eruption of the andesites occurred within post-collision setting.

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