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Record #96405:

Some Norwegian ophiolite complexes reconsidered / Rolf-Birger Pedersen, Harald Furnes, Greg Dunning.

Title: Some Norwegian ophiolite complexes reconsidered / Rolf-Birger Pedersen, Harald Furnes, Greg Dunning.
Author(s): Pedersen, Rolf-Birger.
Furnes, Harald.
Dunning, Greg.
Date: 1988.
In: Norges Geologiske Undersøkelse. Special Publication. (1988.), Vol. 3 (1988)
Abstract: U/Pb zircon geochronology shows ophiolite complexes formed during at least three spreading events. Two oldest, represented by Karmøy, Gulfjellet and Leka complexes, seem to have occurred in arc-related intra-oceanic basins. Age and rock types suggest that all represent parts of Early Ordovician system. Last phase of spreading-related magmatism occurred in Caradocian time, probably in marginal basin. This was broadly at same time as Taconian emplacement onto Laurentian margin, while obduction of Solund/Stavfjorden ophiolite occurred around Scandian, Silurian-Devonian continent collision.
Notes:

Norges Geologiske Undersøkelse. Special Publication. Vol. 3 :80-85 (1988).

Keywords: 551.1/.4 -- Geology.
551.24 -- Geotectonics.
551.733.1 -- Ordovician.
551.733.3 -- Silurian.
551.734 -- Devonian.
552.3 -- Igneous rocks.
B -- Geology and soil sciences.
(*3) -- Arctic regions.
(*58) -- Norway.
SPRI record no.: 96405

MARCXML

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100 1# ‡aPedersen, Rolf-Birger.
245 10 ‡aSome Norwegian ophiolite complexes reconsidered /‡cRolf-Birger Pedersen, Harald Furnes, Greg Dunning.
260 ## ‡a[S.l.] :‡b[s.n.],‡c1988.
300 ## ‡ap. 80-85 :‡bdiag., map.
500 ## ‡aNorges Geologiske Undersøkelse. Special Publication. Vol. 3 :80-85 (1988).
520 3# ‡aU/Pb zircon geochronology shows ophiolite complexes formed during at least three spreading events. Two oldest, represented by Karmøy, Gulfjellet and Leka complexes, seem to have occurred in arc-related intra-oceanic basins. Age and rock types suggest that all represent parts of Early Ordovician system. Last phase of spreading-related magmatism occurred in Caradocian time, probably in marginal basin. This was broadly at same time as Taconian emplacement onto Laurentian margin, while obduction of Solund/Stavfjorden ophiolite occurred around Scandian, Silurian-Devonian continent collision.
650 07 ‡a551.1/.4 -- Geology.‡2udc
650 07 ‡a551.24 -- Geotectonics.‡2udc
650 07 ‡a551.733.1 -- Ordovician.‡2udc
650 07 ‡a551.733.3 -- Silurian.‡2udc
650 07 ‡a551.734 -- Devonian.‡2udc
650 07 ‡a552.3 -- Igneous rocks.‡2udc
650 07 ‡aB -- Geology and soil sciences.‡2local
651 #7 ‡a(*3) -- Arctic regions.‡2udc
651 #7 ‡a(*58) -- Norway.‡2udc
700 1# ‡aFurnes, Harald.
700 1# ‡aDunning, Greg.
773 0# ‡7nnas ‡tNorges Geologiske Undersøkelse. Special Publication. ‡gVol. 3 (1988) ‡wSPRI-84344
917 ## ‡aUnenhanced record from Muscat, imported 2019
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