Evidence from ophiolites, blueschists, and ultrahigh-pressure metamorphic terranes that the modern episode of subduction tectonics began in Neoproterozoic time: Comment and Reply: COMMENT | Zendy

Paul F. Hoffman | Zendy

Open Access

Evidence from ophiolites, blueschists, and ultrahigh-pressure metamorphic terranes that the modern episode of subduction tectonics began in Neoproterozoic time: Comment and Reply: COMMENT

Author(s) -

Paul F. Hoffman

Publication year - 2006

Publication title -

geology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.609

H-Index - 215

eISSN - 1943-2682

pISSN - 0091-7613

DOI - 10.1130/g22300.1

Subject(s) - geology , ophiolite , terrane , subduction , eclogitization , plate tectonics , tectonics , metamorphic rock , seismology , delamination (geology) , geophysics , paleontology , oceanic crust

I agree with my friend Bob Stern that the onset of actualistic plate tectonics is an unsolved problem, and that the answer must ultimately come from geological evidence and not from model calculations. There are simply too many unknown factors (e.g., eclogitization, oceanic crustal delamination)

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