Patrik Witt‐Nilsson

Uppsala University

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F. J. Hellman

Lund University

David G. Gee

Gannon University

ÅJ

Åke Johansson

Swedish Museum of Natural History

Alexander M. Tebenkov

Omsk State University

Iwona Klonowska

Uppsala University

Abigail K. Barker

Uppsala University

A. N. Larionov

A.P. Karpinsky Russian Geological Research Institute

Jarosław Majka

AGH University of Krakow

Riccardo Callegari

AGH University of Krakow

Alezander Larionov

Cooperative Institutions

Uppsala University

AGH University of Krakow

Jagiellonian University

Swedish Museum of Natural History

Lund University

Syracuse University

Centre of Natural Hazards and Disaster Science

Swedish University of Agricultural Sciences

National Oceanography Centre

University of Southampton

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Single-zircon Pb evaporation geochronology constrains basement-cover relationships in the lower Hecla Hoek Complex of northern Ny Friesland, Svalbard

Chemical Geology (1997)

F. J. Hellman David G. Gee Åke Johansson Patrik Witt‐Nilsson

Geochronology

Basement

10.1016/s0009-2541(96)00152-0

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Citations (35)

Ultramylonitic granites along the Billefjorden fault zone, Svalbard ´s Eastern Terrane

Patrik Witt‐Nilsson

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Tectonostratigraphy of the Caledonian Atomfjella Antiform of northern Ny Friesland, Svalbard

Norsk Geologisk Tidsskrift (1998)

Patrik Witt‐Nilsson David G. Gee F. J. Hellman

A combination of structural mapping and isotopic age-determination studies provides the basis for a new interpretation of the Caledonian geology of northern Ny Friesland. The new mapping has define ...

Anticline

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Single - Zircon geochronology of metasediments and a meta-dolerite in the Tectonostratigraphy of the Ny Friesland orogen, Northeastern Spitsbergen

F. J. Hellman Patrik Witt‐Nilsson

Single - Zircon geochronology of metasediments and a meta-dolerite in the Tectonostratigraphy of the Ny Friesland orogen, Northeastern Spitsbergen

Geochronology

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Citations (3)

Tectonostratigraphy of the Caledonian Atomfjella

Norsk Geologisk Tidsskrift (1998)

Patrik Witt‐Nilsson David G. Gee F. J. Hellman

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Transpressive deformation in the middle crust : an example from Caledonide Svalbard

Patrik Witt‐Nilsson

Upper crust

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Caledonian mid-crustal oblique convergence in eastern Svalbard

Patrik Witt‐Nilsson

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Comment on “Continental collision and lateral escape deformation in the lower and upper crust: An example from Caledonide Svalbard” by N. Lyberis and G. Manby

Tectonics (2001)

David G. Gee Patrik Witt‐Nilsson Åke Johansson F. J. Hellman

Comment on Continental collision and lateral escape deformation in the lower and upper crust: An example from Caledonide Svalbard by N. Lyberis and G. Manby

Upper crust

continental collision

10.1029/2001tc900008

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The Sörbreen Fm mylonitic metagranites; a result of thrusting, or related to major strike-slip movement along the Billefjorden fault zone

Patrik Witt‐Nilsson F. J. Hellman

The Sorbreen Fm mylonitic metagranites; a result of thrusting, or related to major strike-slip movement along the Billefjorden fault zone

Mylonite

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Late Archean basement in the Bangenhuken Complex of the Nordbreen Nappe, western Ny-Friesland, Svalbard

Polar Research (2001)

F. J. Hellman David G. Gee Patrik Witt‐Nilsson

The rocks of western Ny-Friesland, northern Svalbard, are part of a tectonostratigraphy including four thrust sheets, each composed mainly of orthogneisses overlain by younger metasedimentary rocks. Previous geochronological studies have shown that the orthogneisses are dominated by ca. 1750 Mya granitoids. This study of a quartz-monzonite in one of the thrust sheets, the Nordbreen Nappe, yields a single-zircon U-Pb ion-microprobe age of 2709 Ø 28 My. This is the oldest rock unit so far reported in the Svalbard Caledonides. However, age-determinations on detrital zircons in the metasediments of western Ny-Friesland have shown that Late Archean rocks were prominent sources. The new ages presented here provide the first evidence of a local source for these sedimentary rocks.

Basement

Quartz monzonite

10.3402/polar.v20i1.6499

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Citations (15)