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SUBDUCTION ZONE THERMAL STRUCTURE AND MINERALOGY AND THEIR RELATIONSHIP TO SEISMIC-WAVE REFLECTIONS AND CONVERSIONS AT THE SLAB MANTLE INTERFACE

Abstract:

Seismological studies of the interface between downgoing slabs of subducted lithosphere and the overriding mantle provide constraints against which models of mantle and slab temperature and bulk composition can be tested. These studies, employing waves reflected and converted at the slab/mantle interface, suggest that a velocity contrast of 5-10% occurs over a distance of 10-20 km to depths of at least 350 km. We have investigated whether such sharp contrasts can result from thermal structure...

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Publication status:
Published

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Publisher copy:
10.1029/JB094iB01p00753

Authors


Journal:
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH AND PLANETS
Volume:
94
Issue:
B1
Pages:
753-763
Publication date:
1989-01-10
DOI:
ISSN:
0148-0227
URN:
uuid:badd7588-255e-4096-8a27-eb817697b3b4
Source identifiers:
175092
Local pid:
pubs:175092
Language:
English

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