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Record #107408:

Rb-Sr whole-rock and thin-slab dating of mylonites from the Kalak Thrust Zone, near Børselv, Finnmark / David Roberts, Bjørn Sundvoll.

Title: Rb-Sr whole-rock and thin-slab dating of mylonites from the Kalak Thrust Zone, near Børselv, Finnmark / David Roberts, Bjørn Sundvoll.
Author(s): Roberts, David.
Sundvoll, Bjørn.
Date: 1990.
In: Norsk Geologisk Tidsskrift. (1990.), Vol. 70(4) (1990)
Abstract: Rb-Sr dating has yielded two distinct isochron ages. Problems in interpretation of older (479 Ma) isochron age, in spite of its low MSWD, call for some reservation about notion of two-stage orogenic development for Kalak metasediments during protracted Caledonian cycle, involving thrust-related, ductile mylonite generation in Early Ordovician time and phase of more brittle, foreland-directed, simple shear close to base of Kalak Thrust Zone in Early to earliest Mid Devonian period. In northern Norway.
Notes:

Norsk Geologisk Tidsskrift. Vol. 70(4) :259-266 (1990).

Keywords: 550.93 -- Geochronology.
551.1/.4 -- Geology.
551.24 -- Geotectonics.
551.7 -- Stratigraphy.
551.73 -- Palaeozoic.
B -- Geology and soil sciences.
(*58) -- Norway.
(*582) -- Finnmark.
SPRI record no.: 107408

MARCXML

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005 20221002142927.0
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035 ## ‡aSPRI-107408
040 ## ‡aUkCU-P‡beng‡eaacr
100 1# ‡aRoberts, David.
245 10 ‡aRb-Sr whole-rock and thin-slab dating of mylonites from the Kalak Thrust Zone, near Børselv, Finnmark /‡cDavid Roberts, Bjørn Sundvoll.
260 ## ‡a[S.l.] :‡b[s.n.],‡c1990.
300 ## ‡ap. 259-266 :‡bill., diags., tables, maps.
500 ## ‡aNorsk Geologisk Tidsskrift. Vol. 70(4) :259-266 (1990).
520 3# ‡aRb-Sr dating has yielded two distinct isochron ages. Problems in interpretation of older (479 Ma) isochron age, in spite of its low MSWD, call for some reservation about notion of two-stage orogenic development for Kalak metasediments during protracted Caledonian cycle, involving thrust-related, ductile mylonite generation in Early Ordovician time and phase of more brittle, foreland-directed, simple shear close to base of Kalak Thrust Zone in Early to earliest Mid Devonian period. In northern Norway.
650 07 ‡a550.93 -- Geochronology.‡2udc
650 07 ‡a551.1/.4 -- Geology.‡2udc
650 07 ‡a551.24 -- Geotectonics.‡2udc
650 07 ‡a551.7 -- Stratigraphy.‡2udc
650 07 ‡a551.73 -- Palaeozoic.‡2udc
650 07 ‡aB -- Geology and soil sciences.‡2local
651 #7 ‡a(*58) -- Norway.‡2udc
651 #7 ‡a(*582) -- Finnmark.‡2udc
700 1# ‡aSundvoll, Bjørn.
773 0# ‡7nnas ‡tNorsk Geologisk Tidsskrift. ‡gVol. 70(4) (1990) ‡wSPRI-16075
917 ## ‡aUnenhanced record from Muscat, imported 2019
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