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Record #161467:

Geochemistry and tectonic setting of volcanic units in the northern Västerbotten county, northern Sweden / Ulf Bergström.

Title: Geochemistry and tectonic setting of volcanic units in the northern Västerbotten county, northern Sweden / Ulf Bergström.
Author(s): Bergström, Ulf.
Date: 2001.
In: SGU. Research Papers. Series Ca. (2001.), C 833 (2001)
Abstract: Precambrian bedrock includes number of volcanic lithostratigraphic units which can be grouped by chemical composition: Bothnian, with two volcanic units, c. 1.95 Ga; Skellefte of basalt to rhyolite c. 1.90-1.88 Ga; Vargfors, succeeding Skellefte with varying depositions c. 1.88-1.87 Ga, dominated by greywackes overlain volcanically; Arvidsjaur, heterogeneous basaltic-rhyolite formed in mature, continental margin, compressional arc.
Notes:

SGU. Research Papers. Series Ca. C 833 :69-92 (2001).

Keywords: 550.4 -- Geochemistry.
551.22 -- Volcanism, intrusions.
551.24 -- Geotectonics.
551.71/.72 -- Precambrian.
552.514 -- Greywacke.
B -- Geology and soil sciences.
(*3) -- Arctic regions.
(*571.3) -- Vasterbottens Lan.
SPRI record no.: 161467

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100 1# ‡aBergström, Ulf.
245 10 ‡aGeochemistry and tectonic setting of volcanic units in the northern Västerbotten county, northern Sweden /‡cUlf Bergström.
260 ## ‡a[S.l.] :‡b[s.n.],‡c2001.
300 ## ‡ap. 69-92 :‡btables, diags., map.
500 ## ‡aSGU. Research Papers. Series Ca. C 833 :69-92 (2001).
520 3# ‡aPrecambrian bedrock includes number of volcanic lithostratigraphic units which can be grouped by chemical composition: Bothnian, with two volcanic units, c. 1.95 Ga; Skellefte of basalt to rhyolite c. 1.90-1.88 Ga; Vargfors, succeeding Skellefte with varying depositions c. 1.88-1.87 Ga, dominated by greywackes overlain volcanically; Arvidsjaur, heterogeneous basaltic-rhyolite formed in mature, continental margin, compressional arc.
650 07 ‡a550.4 -- Geochemistry.‡2udc
650 07 ‡a551.22 -- Volcanism, intrusions.‡2udc
650 07 ‡a551.24 -- Geotectonics.‡2udc
650 07 ‡a551.71/.72 -- Precambrian.‡2udc
650 07 ‡a552.514 -- Greywacke.‡2udc
650 07 ‡aB -- Geology and soil sciences.‡2local
651 #7 ‡a(*3) -- Arctic regions.‡2udc
651 #7 ‡a(*571.3) -- Vasterbottens Lan.‡2udc
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