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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 |
LDR 01384naa#a2200000#a#4500 001 SPRI-161467 005 20240329055423.0 007 ta 008 240329s2001####xx#ab#|##|###|0||#0|eng#d 035 ## ‡aSPRI-161467 040 ## ‡aUkCU-P‡beng‡eaacr 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 773 0# ‡7nnas ‡tSGU. Research Papers. Series Ca. ‡gC 833 (2001) ‡wSPRI-9682 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20240329