Gravity field, surface topography, and volcanic complexes of Kamchatka and its junction with the Aleutian arc

N. L. Dobretsov, A. N. Vasilevskiy

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

The paper deals with interpretation of global digital maps of gravity anomalies and surface topography for the northwestern Pacific and Kamchatka regions. A transformation procedure is suggested to reveal subtle features of surface topography against high elevation contrasts. Gravity data (free-air and Bouguer anomalies) have important implications for the evolution of the circum-Pacific region and the problems of volcanism and geodynamics in subduction zones. The patterns of gravity anomalies and transformed topography interpreted jointly with onshore and offshore geological data can make a basis for tectonic paleoreconstructions of upper crust and lithospheric mantle structures.

Original languageEnglish
Pages (from-to)780-802
Number of pages23
JournalRussian Geology and Geophysics
Volume59
Issue number7
DOIs
Publication statusPublished - 1 Jul 2018

Keywords

  • Aleutian arc
  • free-air and Bouguer gravity anomalies
  • geodynamics
  • integrated interpretation
  • Kamchatka
  • tectonics
  • volcanoplutonic complexes
  • MIGRATION
  • MYS PENINSULA
  • SUBDUCTION ZONE
  • TECTONICS
  • ROCKS
  • CHUKOTKA PENINSULA
  • DEFORMATION
  • EXHUMATION
  • GORNY ALTAI
  • BENEATH

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