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The Germania Land deformation zone and related structures, North-east Greenland
Journal article   Open access

The Germania Land deformation zone and related structures, North-east Greenland

Joseph M Hull and Jane A Gilotti
Rapport - Gronlands Geologiske Undersogelse (1964), Vol.162, pp.113-127
1994
DOI: 10.34194/rapggu.v162.8253
url
https://doi.org/10.34194/rapggu.v162.8253View
Published (Version of record) Open Access

Abstract

The Germania Land deformation zone in North-East Greenland consists of two subparallel, NW-striking strands of mylonites and cataclasites. The quasiplastic mylonites formed under low grade (biotite zone) conditions following high grade Caledonian metamorphism. Displacements on the Germania Land deformation zone and parallel zones at Danmarkshavn were predominantly dextral strike slip. Along with the similar, but sinistral, Storstrømmen shear zone, these zones record a late Caledonian phase of orogen-parallel movement. The Germania Land deformation zone is also the locus of Carboniferous normal faulting and basin development.
Greenland Structural Analysis Structural Geology Arctic region basins brittle deformation Caledonian Orogeny Carboniferous cataclasis cataclasites Danmarkshaven Greenland deformation East Greenland faults Germania Land gneisses kinematics lineation metamorphic rocks metamorphism microstructure mineral assemblages mineral composition mylonites Northern Greenland orogeny Paleozoic petrography shear zones Storstrommen shear zone strike-slip faults tectonite transpression

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