The Supanberget area – basement imbrication and detached foreland thrusting in the Tertiary fold‐and‐thrust belt, Svalbard

WINFRIED K. DALLMANN, HARMON D. MAHER

Research output: Contribution to journalArticle

14 Scopus citations

Abstract

The Supanberget area, situated in the southern part of the Tertiary Spitsbergen fold‐and‐thrust belt, occupies a position mainly within the central zone of the belt, characterized by basement‐involved thrusting, but includes part of an eastern foreland zone of detached, thin‐skinned thrust tectonics. The peculiar feature of Supanberget is the thrust‐ ‘sliced’ tectonic style that deforms a previously tightly folded basement‐cover contact. Foreland structures indicate the additional presence of a subsurface detachment at a deeper structural level. Contrasts in magnitude and orientation of basement anisotropics may control lateral changes in tectonic style.

Original languageEnglish (US)
Pages (from-to)95-107
Number of pages13
JournalPolar Research
Volume7
Issue number2
DOIs
StatePublished - Dec 1989

ASJC Scopus subject areas

  • Oceanography
  • Environmental Chemistry
  • Environmental Science(all)
  • Earth and Planetary Sciences (miscellaneous)

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