Sedimentation rhythmicity as a reflection of astronomical cyclicity |
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| Authors: | Yu N Avsyuk A Ya Saltykovskii Yu F Sokolova |
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| Institution: | 1.Institute of Physics of the Earth,Russian Academy of Sciences,Moscow,Russia |
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| Abstract: | The Mesozoic-Cenozoic rhythmic continental sedimentary rocks are analyzed for every particular period and epoch from the Triassic
to the Pliocene. The maximal distribution areas of rhythmic deposits are within the latitudinal zone of 20°-40°. Investigation
of rhythmic Mesozoic-Cenozoic carbonate-containing deposits of Europe and North America enables us to attribute rhythmicity
to climate change owing to insolation and eustatic variations of oceanosphere’s level, on the one hand, and to compare duration
values of the rhythmic unit and rhythmic sequence with cycles of orbital precession, ecliptic plane inclination, and the eccentricity
of the Earth’s orbit, on the other hand. |
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