Global Climate Change and the Temperature Regime of the Mesozoic Marine Environment in Northeastern Asia


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Abstract

A combination of the facies-geodynamic and radiolarian methods allowed us to determine the morphometric and temperature conditions for the initial accumulation of the Mesozoic siliceous-volcanic allochthonous complexes from the tectonic slabs of the Okhotsk–Koryak Orogenic Belt, which involves different marginal marine and ocean water areas and heterogenous marine rises. The radiolarian analysis made it possible to estimate approximately the paleolatitudinal position of these complexes and to reveal the pattern of the Mesozoic climate change in the Pacific and worldwide: from the warm Triassic through the Jurassic cooling to the Cretaceous optimum; the stages of warming demonstrate the dependence on global superplume episodes.

About the authors

V. S. Vishnevskaya

Geological Institute

Author for correspondence.
Email: valentina.vishnaa@mail.ru
Russian Federation, Moscow, 119017

N. I. Filatova

Geological Institute

Email: valentina.vishnaa@mail.ru
Russian Federation, Moscow, 119017

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