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Eastbound sublithosphere mantle ow through the Caribbean gap and its relevance to the continental
 

Summary: Eastbound sublithosphere mantle Żow through the
Caribbean gap and its relevance to the continental
undertow hypothesis
Walter Alvarez*
Department of Earth and Planetary Science, University of California, Berkeley, CA 94720-4767, USA, and Osservatorio Geologico di
Coldigioco, 62020 Frontale di Apiro (MC), Italy
Introduction
Despite advances in understanding the
dynamics and depth range of mantle
Żow and its relation to plate tectonic
motions (Richards et al., 2000), the
geographical pattern of this Żow is not
yet well known. Almost two decades
ago, I presented a technique for map-
ping the geography of mantle Żow if
two conditions hold true (Alvarez,
1982). The ®rst condition is that Żow
patterns in the shallow mantle be
decoupled from those deeper in the
mantle. The second condition is that

  

Source: Alvarez, Walter - Department of Earth and Planetary Science, University of California at Berkeley

 

Collections: Geosciences