Deep structure of the lithosphere beneath the territory of Bulgaria |
| |
| Authors: | Vladislav Babu?ka Jaroslava Plomerová Edelvays Spasov Reviewer J Janský |
| |
| Institution: | (1) Geophysical Institute, Czechosl. Acad. Sci., Prague;(2) Geophysical Institute, Bulg. Acad. Sci., Sofia |
| |
| Abstract: | Summary Teleseismic P residuals calculated for waves arriving from various azimuths and angles of incidence, and a 3-D inversion of the residuals provided the basis for characterizing the uppermost mantle structure beneath Bulgaria. The Moesian Platform and the Rhodopean Massif are two different blocks characterized by a lithosphere thickness of about 130–140 km with a zone of lithosphere thinning along their contact. Both units have opposite patterns of the directional dependence of relatively high and low P velocities. This directional dependence is interpreted by dipping anisotropic structures in the subcrustal lithosphere, which probably represent remnants of paleosubductions of an old oceanic lithosphere.
     a  uma      u   nu ¶rt; u n¶rt; au au mau u au.  a uu  mu ¶rt;am ¶rt; aamua uu mm  amuu n¶rt;  au.  uua nam a u ¶rt;nu au, ¶rt;a au  a mu um nuuum 130–140 ¶rt; uma m ¶rt; u mama.  a a aamua nmun ana auum mum u u mu .  ma anaa auum umnmuaa a nu aumn mm amu. mu mm n¶rt;maum a mamu na¶rt;u ma au um.
|
| |
| Keywords: | |
| 本文献已被 SpringerLink 等数据库收录！ |
|
