Physics
Scientific paper
Jul 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005georl..3214301r&link_type=abstract
Geophysical Research Letters, Volume 32, Issue 14, CiteID L14301
Physics
8
Seismology: Continental Crust (1219), Seismology: Lithosphere (1236), Structural Geology: Fractures And Faults, Structural Geology: Dynamics And Mechanics Of Faulting (8118), Seismology: Mantle (1212, 1213, 8124)
Scientific paper
Images of the crust and mantle beneath northeast India obtained by 2D migration of ~1000 broadband P-receiver functions clearly trace a northward dipping Moho from the Himalayan foredeep reaching depths up to 50 km further north beneath the Himalayan convergence zone. Also, these images reveal presence of largely coherent 410-km and 660-km discontinuities that conform to the IASP91 model. Marginal variations in the depth of the 410-km interface are observed, that appear region specific. The thickness of the mantle transition zone does not deviate significantly from a global average of ~250 km. Interestingly, our results reveal consistent presence of a signal from an interface around 300 km. Origin of such a boundary, known as X-discontinuity and unrelated to the Lehmann discontinuity, is discussed. Possible presence of the X-discontinuity from the Indian region is reported here for the first time.
Devi Uma E.
Kumar Ravi M.
Raju Solomon P.
Ramesh D. S.
Yuan Xianbao
No associations
LandOfFree
Moho geometry and upper mantle images of northeast India does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Moho geometry and upper mantle images of northeast India, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Moho geometry and upper mantle images of northeast India will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1249722