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Magnetostratigraphic Data on the Upper Cretaceous of Tuarkyr (Turkmenistan) and Their Implications for the General Paleomagnetic Time Scaleстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
- Авторы: Guzhikov A.Yu, Molostovskii E.A., Nazarov Kh, Fomin V.A., Baraboshkin E.Yu, Kopaevich L.F.
- Журнал: Izvestiya. Physics of the Solid Earth
- Том: 39
- Номер: 9
- Год издания: 2003
- Издательство: Pleiades Publishing, Inc.
- Местоположение издательства: New York, USA
- Первая страница: 728
- Последняя страница: 740
- Аннотация: The Cenomanian–Campanian deposits of Tuarkyr (northwestern Turkmenistan) are studied magnetostratigraphically with a reliable paleontological control. Turonian–Campanian rocks possess a high paleomagnetic stability. The existence of a reversed polarity subzone in the middle Cenomanian and several reversals in the Turonian–Coniacian is confirmed. The Santonian–Campanian of the section is dominated by a reversed polarity. The results of the study point to an intricate magnetic zonation of the Cenomanian–Campanian and, together with the analysis of data on the Upper Cretaceous of other regions, suggest the necessity of revising the Cenomanian–Campanian interval of the magnetostratigraphic time scale, which has been traditionally considered as an interval of a predominantly normal polarity. New data on the Cenomanian–Campanian geomagnetic field regime also suggest that geodynamic models relating the epoch of the quiet Cretaceous field to various geological events should possibly be reexamined.
- Добавил в систему: Барабошкин Евгений Юрьевич