Calibration of geomagnetic paleointensity data based on redeposition of sedimentary rocksстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 10 августа 2018 г.
Аннотация:A new express-method for redeposition of sedimentary rocks is proposed. The method may be used for
calibration of the ancient geomagnetic field intensity data obtained using sedimentary rocks. The results
of testing of the method for assessment of the intensity of ancient geomagnetic field (using redeposition)
on the modern sediments formed in different climatic zones are presented. It is shown that the error of a
single determination of the magnetic field intensity on the contemporary marine sediments does not
exceed 20%. The results of determination of the ancient geomagnetic field intensity from sedimentary
rocks available to date are summarized. The average values of the paleointensity in the Late Cretaceous,
Early Jurassic, Late Jurassic, Triassic, Permian, Late and Early Carboniferous obtained from sedimentary
and thermomagnetized rocks has been compared. It is revealed that sedimentary and thermomagnetized
rocks have similar potentials for the assessment of the dynamics of the Late Paleozoic–Mesozoic
paleointensity.