Migration of the Mendocino triple junction and ephemeral crustal deformation: Implications for California Coast Range heat flow

Chris A. Guzofski, Kevin Patrick Furlong

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Thermal models have been constructed to demonstrate how regional crustal deformation and subsequent asthenospheric upwelling associated with the migration of the Mendocino triple junction affect the thermal regime of the northern California Coast Ranges. Ephemeral crustal thickening caused by the migration of the triple junction, coupled with the thermal effects of inflow of asthenosphere into the slab window, produces a heat flow signature that is consistent with the observed surface heat flow in the region. In addition the thermal models provide evidence that slab window temperatures are lower than previously assumed following the passage of the triple junction.

Original languageEnglish (US)
JournalGeophysical Research Letters
Volume29
Issue number1
DOIs
StatePublished - Jan 1 2002

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triple junction
crustal deformation
coasts
heat transmission
heat flow
coast
slab
slabs
asthenosphere
crustal thickening
upwelling water
thermal regime
temperature effect
temperature effects
upwelling
inflow
signatures

All Science Journal Classification (ASJC) codes

  • Geophysics
  • Earth and Planetary Sciences(all)

Cite this

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AB - Thermal models have been constructed to demonstrate how regional crustal deformation and subsequent asthenospheric upwelling associated with the migration of the Mendocino triple junction affect the thermal regime of the northern California Coast Ranges. Ephemeral crustal thickening caused by the migration of the triple junction, coupled with the thermal effects of inflow of asthenosphere into the slab window, produces a heat flow signature that is consistent with the observed surface heat flow in the region. In addition the thermal models provide evidence that slab window temperatures are lower than previously assumed following the passage of the triple junction.

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