The Tectonostratigraphy and structural evolution of the Sitas Area, North Norway and Sweden (68°N).

The Sitas area contains rock derived from the pre-Caledonian Scandinavian craton and from an accreted Caledonian fore-arc complex. These rocks form the par-authocthonous (?) Rombak Complex which can be tied stratigraphically to Baltica and three allochthons which from the base upwards are: the Storr...

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Bibliographic Details
Main Author: Crowley, Peter D.
Format: Article in Journal/Newspaper
Language:English
Published: 1989
Subjects:
STRUKTURGEOLOGI
TEKTONIKK
KALEDONSKE FJELLKJEDE
KARTLEGGING
OMDANNING
Norway
Narvik
Marko
Hamarøy
Rombak
Storriten
North Norway
Online Access:https://hdl.handle.net/11250/2674182
Description
Summary:The Sitas area contains rock derived from the pre-Caledonian Scandinavian craton and from an accreted Caledonian fore-arc complex. These rocks form the par-authocthonous (?) Rombak Complex which can be tied stratigraphically to Baltica and three allochthons which from the base upwards are: the Storriten Complex, the Langvatn nappe and the Marko nappe. The Storriten Complex is a schuppen-zone composed of rocks derived from hinterland equivalents of the Rombak Complex while the Langvatn and Marko nappes are part of an accreted fore-arc terrane which can be correlated with parts of the Middle Køli Nappe Complex (MNKC). The Marko nappe contains mafic rocks whose geochemical affinites suggest derivation from both MORB-like and arc-like sources. 35213

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