Яндекс.Метрика

P.O.Polyansky, A.F. Emanov, A.S. Salnikov

Издание: ГеоБайкал 2016: Расширяя горизонты: 4-я международная научно-практическая конференция (г. Иркутск, Россия, 22-26 августа 2016 г.)
Место издания: Иркутск , Год издания: 2016
Страницы: 03

Аннотация

Results of processing of seismic head waves data are presented in the article. The data were obtained on field seismic researches on Central and North-West parts of traverse 3-DV. Data were processed by method of dinamic conversion of head waves. With method of dinamic conversion it is possible to separate wavefields of head waves from registered wavefield and to reduce wavefields of other types of seismic waves and sesimic noise. Wavefields of head waves are related to refraction boundaries. Results of dinamic conversion are presented in a form of time sections of head waves. Time section are constructed for different tectonic areas like Aldan anticlise, Pre-Verkhoyan foredeep, Sette-Daban block and Verkhoyan-Kolymskaya bow area, which are crossed by traverse 3-DV. Boundary velocities of P-head waves are estimated in the article. Values are varying in interval of 4-5.2 km/s on the Eastern part Siberian platform and in interval of 5.9-6.2 km/s on Sette-Daban block. Values of boundary velocities of P-head waves on Verkhoyan-Kolymskaya bow area are in interval of 4.5-5 km/s. Such contrast of boundary velocities of P-head wabes can be result from different geologic nature of refraction boundaries on different tectonic areas.
индекс в базе ИАЦ: 046679