Open AccessDiscussions of ODP Leg 205 and Drilling of Middle America Seismogenic Zone
Author(s) -
Roland von Huene,
Guillermo E. Alvarado,
Kevin M. Brown,
Robert N. Harris,
Masataka Kinoshita,
Kiyoshi Suyehiro,
K. D. McIntosh,
Jason Phipps Morgan,
Julie Morris,
Marino Protti,
César R. Ranero,
David W. Scholl,
S. Y. Schwartz
Publication year - 2003
Publication title -
eos, transactions american geophysical union
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.316
H-Index - 86
eISSN - 2324-9250
pISSN - 0096-3941
DOI - 10.1029/2003eo100004
Subject(s) - geology , subduction , seamount , convergent boundary , seismology , trench , pacific plate , plate tectonics , margin (machine learning) , oceanic crust , tectonics , paleontology , layer (electronics) , chemistry , organic chemistry , machine learning , computer science
Erosional convergent margins, where material is removed from the base of the upper plate and subducted on the lower plate, are fundamental features of the Circum Pacific. The erosional Middle America Trench convergent Pacific margin, remarkable for its broad diversity of dynamic environments, is a natural laboratory for studying convergent margin processes and seismogenesis. These environments include a shallow and deep trench axis, shallow‐to‐steep‐dipping plate interfaces, abnormally hot‐to‐cold subducting plate temperatures, and a subducting plate with smooth morphology bordering basement ridges and seamounts. The subducting topography accelerates erosion and localizes seismicity.
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