Open AccessThe lithospheric thinning of the North China Craton inferred from Rayleigh waves inversion
Author(s) -
Li Yonghua,
Wu Qingju,
Zhang Ruiqing,
Pan Jiatie,
Zhang Fengxue,
Zeng Rongsheng
Publication year - 2009
Publication title -
geophysical journal international
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.302
H-Index - 168
eISSN - 1365-246X
pISSN - 0956-540X
DOI - 10.1111/j.1365-246x.2009.04169.x
Subject(s) - lithosphere , craton , geology , seismology , rayleigh wave , tectonics , seismic tomography , mantle (geology) , thinning , inversion (geology) , cenozoic , phase velocity , shear (geology) , geophysics , surface wave , paleontology , structural basin , telecommunications , ecology , physics , quantum mechanics , computer science , biology
SUMMARY Joint inversion of interstation phase and group velocity dispersion data of Rayleigh waves provides the regional shear‐wave velocity structure of the lithosphere across the central and eastern block of the North China Craton (NCC). Both the velocity dispersion curves and V s structure show strong lateral variation across the NCC, which correlates well with the regional tectonic evolution. At the lower crustal level, the characteristics of V s structure reveal differences in composition of the two blocks. In the upper mantle, the lithospheric removal in the eastern NCC is more severe than in the central NCC. The V s differences between the central NCC and the eastern NCC imply that multistage reactivation of the NCC occurred in the Mesozoic and Cenozoic time.