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  • 1
    Electronic Resource
    Electronic Resource
    Tertiary structures in the platform cover strata of Nordenskiold Land, Svalbard (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Polar research 7 (1989), S. 0 
    Details
    ISSN: 1751-8369
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geography , Geosciences
    Notes: Air photo interpretation along with limited field work is the basis of a compilation map of Tertiary structures in the Upper Paleozoic through Mesozoic platform cover strata of Nordenskiold Land. Permian Kapp Starostin Formation strata form a continuous marker horizon delineating both a large NE-verging fold complex, which involves the basement (Hecla Hoek sequence) through basal Tertiary strata, and somewhat smaller scale folds, some of which may have formed in association with detachments and thrusts within the platform cover sequence. The map pattern is both a function of local structural plunge and changes in fold geometry along strike. Regional considerations suggest that subsurface basement-involved thrusts exist. In S Nordenskiold Land, to the E of folded Kapp Starostin Formation strata, a 3.5 km wide zone of folding and thrusting in Triassic and Jurassic strata above a subhorizontal decollement is inferred to occur. Further E is the W limb of the central Tertiary basin syncline.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1751-8369.1989.tb00359.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The Supanberget area – basement imbrication and detached foreland thrusting in the Tertiary fold-and-thrust belt, Svalbard (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Polar research 7 (1989), S. 0 
    Details
    ISSN: 1751-8369
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geography , Geosciences
    Notes: 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.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1751-8369.1989.tb00360.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    The nature of the Precambrian-Tertiary boundary at Renardodden, Bellsund, Svalbard (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Polar research 7 (1989), S. 0 
    Details
    ISSN: 1751-8369
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geography , Geosciences
    Notes: The previous literature on the occurrence of Tertiary strata at Renardodden provides contradictory information about the primary versus tectonic boundary with the Precambrian basement. Tertiary sandstones and shales overlie unconformably the basement rocks, which have been resedimented as boulder conglomerates prior to Caledonian metamorphism and weathered prior to the deposition of the Tertiary strata. The boundary relations are complicated by a repeatedly active fault system that may form part of the Inner Hornsund Fault Zone.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1751-8369.1989.tb00364.x
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    The structure of the Berzeliustinden area: Evidence for thrust wedge tectonics in the Tertiary fold-and-thrust belt of Spitsbergen (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Polar research 6 (1988), S. 0 
    Details
    ISSN: 1751-8369
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geography , Geosciences
    Notes: The Berzeliustinden area forms part of the Tertiary fold-and-thrust belt of western Spitsbergen. The relations of a basement-involved thrust fault, decollement structures, and a fault repeating part of the stratigraphy are investigated. The deforming mechanism is thought to be‘wedging’of a basement-involved thrust block into bituminous shaly beds of the overlying strata. The thrust fault thus does not continuously cut through to the surface, but lifts the overlying strata, forming a backward directed bedding-parallel thrust fault on top of the wedge. The presence of two bituminous shale formations, both potential splitting mediums for the wedge, complicates the structures. Many structural observations from adjacent areas of the fold-and-thrust belt also fit with this model. It is suggested that thrust wedges are common tectonic elements in the belt and might also be present further east beneath the relatively undeformed Tertiary strata of central Spitsbergen.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1751-8369.1988.tb00591.x
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Notes on the stratigraphy, extent and tectonic implications of the Minkinfjellet Basin, Middle Carboniferous of central Spitsbergen (1993)
    Oxford, UK : Blackwell Publishing Ltd
    Polar research 12 (1993), S. 0 
    Details
    ISSN: 1751-8369
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geography , Geosciences
    Notes: A part of the Carboniferous basin stratigraphy, the clastic to carbonaceous Minkinfjellet “Member” of the Nordenskioldbreen Formation in Central Spitsbergen, is deposited in an asymmetric basin structure (here referred to as the Minkinfjellet Basin), similar to the underlying Ebbadalen Formation. The western boundary -situated within the Billcfjorden Fault Zone -has probably been a little farther east than during deposition of the Ebbadalen strata. The thickness attains ca. 350 m in central parts of the basin, and the strata strongly attenuates to the east and south. The base and top are interpreted as low-angle stratigraphical unconformities. The boundary with the overlying Cadcllfjellet Member of the Nordenskioldbreen Formation is locally disrupted by carbonate breccias of suggested earthquake origin. Formation rank is suggested for the sedimentary succession of the Minkinfjellet basin.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1751-8369.1993.tb00430.x
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    Paper (German National Licenses)
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