Jurassic metabasic rocks in the Kızılırmak accretionary complex (Kargı region, Central Pontides, Northern Turkey)
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文摘

Amphiboles from metabasites yield Jurassic 40Ar/39Ar plateau ages (159.4 ± 0.4 Ma and 163.5 ± 0.8 Ma).

The new data indicates Late Jurassic subduction–accretion in the Central Pontides.

Geochemistry and isotopes of metabasic rocks indicate N-MORB, E-MORB, OIB and IAT sources.

Ophiolitic rocks were formed in a supra-subduction tectonomagmatic environment.

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