Sr–Nd isotope and geochemical characterisation of the Paleoproterozoic Västervik formation (Baltic Shield, SE-Sweden): a southerly exposure of Svecofennian metasiliciclastic sediments
Tóm tắt
The Paleoproterozoic Västervik formation represents the southernmost exposure of Svecofennian metasediments and comprises a large psammitic succession of up to 5,000 m thickness dominated by quartzite with minor pelite and arkose. The Västervik formation was deposited in a time interval of ~30 m.y. from 1.88 until 1.85 Ga. Whole-rock geochemical data and Rb–Sr–Sm–Nd analyses in combination with bulk zircon U–Pb ID–TIMS studies help to gain insight into the depositional and geodynamic history of the metasiliciclastic units of the Västervik formation. Discrimination function diagrams show good agreement of major element composition with petrographic characterisation pointing towards a quartzose sedimentary provenance area with a tendency towards felsic igneous provenance. Trace element characteristics show typical upper crustal composition and remarkably similar patterns despite the respective petrographic differences. Sm–Nd isotope systematics reveal a restricted range of TDM with 2.3 ± 0.1 Ga and initial Nd (1.80 Ga) values from −4 to −2. These values are in agreement with known values from other Svecofennian sedimentary basins and support the interpretation of the Västervik formation as a typical Svecofennian metasedimentary sequence. Three samples were analysed with the zircon U–Pb ID–TIMS technique, and resulting mixing ages of ~2.1 Ga are typical for Svecofennian metasediments. The final stage of the geodynamic history of the Västervik area was a HT/LP overprint that caused intense migmatisation and anatectic production of in situ granite melts. This was accompanied by large-scale metasomatism, which led to a regional disturbance of the Rb–Sr isotope system indicating an age of ~1,750 Ma for this event. This age overlaps with timing of the tectonic activity of the Loftahammar-Linköping deformation zone (LLDZ), a large-scale deformation zone, lying directly to the north of the study area, presumably linking these two events.
Tài liệu tham khảo
citation_journal_title=GFF; citation_title=Precambrian geochronology of south-eastern Sweden; citation_author=G Åberg; citation_volume=100; citation_publication_date=1978; citation_pages=125-154; citation_id=CR1
citation_journal_title=Precambr Res; citation_title=Long-term convergence along SW fennoscandia: 330 m.y. of Proterozoic crustal growth; citation_author=KI Åhäll, JN Connelly; citation_volume=161; citation_issue=3–4; citation_publication_date=2008; citation_pages=452-474; citation_doi=10.1016/j.precamres.2007.09.007; citation_id=CR2
citation_journal_title=GFF; citation_title=Growth-related 1.85–1.55 Ga magmatism in the Baltic Shield; a review addressing the tectonic characteristics of Svecofennian, TIB 1-related, and Gothian events; citation_author=KI Åhäll, SA Larson; citation_volume=122; citation_publication_date=2000; citation_pages=193-206; citation_doi=10.1080/11035890001222193; citation_id=CR3
citation_journal_title=Chem Geol; citation_title=Tracking the budget of Nb and Ta in the continental crust; citation_author=M Barth, WF McDonough, RL Rudnick; citation_volume=165; citation_issue=3–4; citation_publication_date=2000; citation_pages=197-213; citation_doi=10.1016/S0009-2541(99)00173-4; citation_id=CR4
citation_journal_title=Precambr Res; citation_title=Timing of Palaeoproterozoic intra-orogenic sedimentation in the central Fennoscandian Shield; evidence from detrital zircon in metasandstone; citation_author=S Bergman, K Högdahl, M Nironen, E Ogenhall, H Sjöström, L Lundqvist, R Lahtinen; citation_volume=161; citation_issue=3–4; citation_publication_date=2008; citation_pages=231-249; citation_doi=10.1016/j.precamres.2007.08.007; citation_id=CR5
Bergström U, Juhojuntti N, Kero L, Lundqvist L, Stephens MB, Sukotjo S, Wik NG, Wikman H (2002) Projekt Småland, regionalt berg. In: Delin H (ed) Regional berggrundsgeologisk undersökning. Sammanfattning av pågående undersökningar. Geological Survey of Sweden, Uppsala, pp 65–83
citation_journal_title=Tectonophysics; citation_title=Structural evolution of the accretional continental margin of the Paleoproterozoic Svecofennian orogen in southern Sweden; citation_author=FF Beunk, LM Page; citation_volume=339; citation_issue=1–2; citation_publication_date=2001; citation_pages=67-92; citation_doi=10.1016/S0040-1951(01)00034-8; citation_id=CR6
citation_journal_title=Geochim Cosmochim Acta; citation_title=Early Archaean crust in the Ukrainian Shield—evidence from clastic zircons in Late Archaean Greenstone belts; citation_author=E Bibikova, S Claesson, A Fedotova, G Artemenko; citation_volume=73; citation_issue=13; citation_publication_date=2009; citation_pages=A120; citation_id=CR7
citation_journal_title=Precambr Res; citation_title=The East European Craton (Baltica) before and during the assembly of Rodinia; citation_author=SV Bogdanova, B Bingen, R Gorbatschev, TN Kheraskova, VI Kozlov, VN Puchkov, YA Volozh; citation_volume=160; citation_issue=1–2; citation_publication_date=2008; citation_pages=23-45; citation_doi=10.1016/j.precamres.2007.04.024; citation_id=CR8
citation_journal_title=Tectonophysics; citation_title=Comparing the drift of Laurentia and Baltica in the Proterozoic: the importance of key palaeomagnetic poles; citation_author=KL Buchan, S Mertanen, RG Park, LJ Pesonen, SÅ Elming, N Abrahamsen, G Bylund; citation_volume=319; citation_issue=3; citation_publication_date=2000; citation_pages=167-198; citation_doi=10.1016/S0040-1951(00)00032-9; citation_id=CR9
citation_journal_title=Precambr Res; citation_title=Nd isotope data on 1.9–1.2 Ga old basic rocks and metasediments from the Bothnian basin, Central Sweden; citation_author=S Claesson; citation_volume=35; citation_publication_date=1987; citation_pages=115-126; citation_doi=10.1016/0301-9268(87)90048-9; citation_id=CR10
citation_journal_title=Lithos; citation_title=Origins and ages of Proterozoic granitoids in the Bothnian Basin, central Sweden; isotopic and geochemical constraints; citation_author=S Claesson, T Lundqvist; citation_volume=36; citation_publication_date=1995; citation_pages=115-140; citation_doi=10.1016/0024-4937(95)00010-D; citation_id=CR11
Claesson S, Sultan L (2008) Constraints on Svecofennian evolution from detrital zircon ages—the Palaeoproterozoic Västervik quartzites. 33rd IGC, Oslo, 6–14 August 2008.
http://www.33igc.org
citation_journal_title=Precambr Res; citation_title=Svecofennian detrital zircon ages—implications for the precambrian evolution of the Baltic Shield; citation_author=S Claesson, H Huhma, PD Kinny, IS Williams; citation_volume=64; citation_issue=1–4; citation_publication_date=1993; citation_pages=109-130; citation_doi=10.1016/0301-9268(93)90071-9; citation_id=CR13
Claesson S, Bibikova E, Bogdanova S, Skobolev V (2006) Archaean terranes, Palaeoproterozoic reworking and accretion in the Ukrainian Shield, East European Craton. In: Gee DG, Stephenson R (eds) European lithosphere dynamics. Geological Society, London, Memoirs 32, pp 645–654
citation_journal_title=Geologische Rundschau; citation_title=Quartz-Plagioclase Metasomatic Rocks in the Vaestervik Area, Southeastern Sweden; citation_author=FJ Elbers, J Hoeve; citation_volume=60; citation_issue=4; citation_publication_date=1971; citation_pages=1426-1441; citation_doi=10.1007/BF02132760; citation_id=CR15
citation_journal_title=Neues Jahrbuch fuer Mineralogie; citation_title=The quantitative classification of crystalline schists; second communication; citation_author=W Fritsch, H Meixner, H Wieseneder; citation_volume=12; citation_issue=32; citation_publication_date=1967; citation_pages=364-376; citation_id=CR16
citation_journal_title=Precambr Res; citation_title=An outline of the precambrian evolution of the Baltic Shield; citation_author=G Gaal, R Gorbatschev; citation_volume=35; citation_publication_date=1987; citation_pages=15-52; citation_doi=10.1016/0301-9268(87)90044-1; citation_id=CR17
citation_journal_title=Can J Earth Sci; citation_title=The Ketilidian orogen of South Greenland: geochronology, tectonics magmatism and fore-arc accretion during Palaeoproterozoic oblique convergence; citation_author=AA Garde, MA Hamilton, B Chadwick, J Grocott, KJW McCaffrey; citation_volume=39; citation_issue=5; citation_publication_date=2002; citation_pages=765-793; citation_doi=10.1139/e02-026; citation_id=CR18
Gavelin S (1984) The Västervik area in south-eastern Sweden. Studies in Proterozoic sedimentation, high-grade metamorphism and granitization, SGU, Uppsala, Ser Ba 32, 172 pp
citation_journal_title=GFF; citation_title=Primary sedhnentary structures from the precambrian of Southeastern Sweden; citation_author=S Gavelin, T Russell; citation_volume=89; citation_publication_date=1967; citation_pages=74-104; citation_id=CR20
citation_journal_title=Precambr Res; citation_title=Frontiers in the Baltic Shield; citation_author=R Gorbatschev, S Bogdanova; citation_volume=64; citation_issue=1–4; citation_publication_date=1993; citation_pages=3-21; citation_doi=10.1016/0301-9268(93)90066-B; citation_id=CR21
citation_journal_title=J Sed Petrol; citation_title=Geochemical Classification of Terrigenous Sands and Shales from Core or Log Data; citation_author=MM Herron; citation_volume=58; citation_issue=5; citation_publication_date=1988; citation_pages=820-829; citation_id=CR22
citation_journal_title=Geologische Rundschau; citation_title=Composition and volume changes accompanying soda metasomatic alterations, Vaestervik area, SE Sweden; citation_author=J Hoeve; citation_volume=67; citation_issue=3; citation_publication_date=1978; citation_pages=920-942; citation_doi=10.1007/BF01983245; citation_id=CR23
Högdahl K, Andersson UB, Eklund O (2004) The Transscandinavian Igneous Belt (TIB) in Sweden: a review of its character and evolution. Geoll Survey of Finland, special paper 37
citation_journal_title=Precambr Res; citation_title=Provenance of early Proterozoic and Archean Metasedimentsin Finland: a Sm–Nd isotopic study; citation_author=H Huhma; citation_volume=35; citation_publication_date=1987; citation_pages=127-143; citation_doi=10.1016/0301-9268(87)90049-0; citation_id=CR25
citation_journal_title=GSA Bull; citation_title=Age, provenance, and tectonic setting of Paleoproterozoic quartzite successions in the southwestern United States; citation_author=JV Jones, JN Connelly, KE Karlstrom, ML Williams, MF Doe; citation_volume=121; citation_issue=1–2; citation_publication_date=2009; citation_pages=247-264; citation_id=CR26
citation_journal_title=Precambr Res; citation_title=Long-lived (1.8–1.0 Ga) convergent orogen in southern Laurentia, its extensions to Australia and Baltica, and implications for refining Rodinia; citation_author=KE Karlstrom, K-I Åhäll, SS Harlan, ML Williams, J McLelland, JW Geissman; citation_volume=111; citation_issue=1–4; citation_publication_date=2001; citation_pages=5-30; citation_doi=10.1016/S0301-9268(01)00154-1; citation_id=CR27
Korja A, Lahtinen R, Nironen M (2006) The Svecofennian orogen: a collage of microcontinents and island arcs. In: Gee DG, Stephenson RA (eds) European lithosphere dynamics. Geological Society, London, Memoirs 32, pp 561–578
citation_journal_title=Stockholm Contrib Geol; citation_title=Die Genese der Migmatite von Lammholmen, Västervik, SE Sweden; citation_author=P Kresten; citation_volume=23; citation_publication_date=1971; citation_pages=91-125; citation_id=CR29
citation_journal_title=Geologiska Föreningens i Stockholm Förhandlingar; citation_title=Metamorphism and Migmatization in the Västervik area, SE Sweden; citation_author=P Kresten; citation_volume=93; citation_publication_date=1971; citation_pages=743-764; citation_doi=10.1080/11035897109451545; citation_id=CR30
Kresten P (1986) The granites of the Västervik area, south-eastern Sweden, SGU, Uppsala, Ser C 814, 35 pp
citation_journal_title=Precambr Res; citation_title=Contrasting source components of the Paleoproterozoic Svecofennian metasediments: Detrital zircon U–Pb, Sm–Nd and geochemical data; citation_author=R Lahtinen, H Huhma, J Kousa; citation_volume=116; citation_publication_date=2002; citation_pages=81-109; citation_doi=10.1016/S0301-9268(02)00018-9; citation_id=CR32
citation_journal_title=Precambr Res; citation_title=Geological, geochemical and geochronological evidence for a new palaeoproterozoic terrane in southeastern Sweden; citation_author=J Mansfeld; citation_volume=77; citation_issue=1–2; citation_publication_date=1996; citation_pages=91-103; citation_doi=10.1016/0301-9268(95)00046-1; citation_id=CR33
citation_journal_title=Tectonophysics; citation_title=Age and εNd constraints on the Paleoproterozoic tectonic evolution in the Baltic-Sea region; citation_author=J Mansfeld; citation_volume=339; citation_publication_date=2001; citation_pages=135-151; citation_doi=10.1016/S0040-1951(01)00036-1; citation_id=CR34
citation_journal_title=GFF; citation_title=1.83–1.82 Ga formation of a juvenile volcanic arc—implications from U–Pb and Sm–Nd analyses of the Oskarshamn-Jönköping Belt, southeastern Sweden; citation_author=J Mansfeld, FF Beunk, J Barling; citation_volume=127; citation_publication_date=2005; citation_pages=149-157; citation_doi=10.1080/11035890501272149; citation_id=CR35
citation_journal_title=Chem Geol; citation_title=Crustal residence ages of clastic sediments, orogeny and continental evolution; citation_author=RG Miller, RK O’Nions, PJ Hamilton, E Welin; citation_volume=57; citation_publication_date=1986; citation_pages=87-99; citation_doi=10.1016/0009-2541(86)90095-1; citation_id=CR36
Mills AA (1996) Accessory phases; implications for granite geochemistry, Memorial University of Newfoundland, St. John’s, NF, Canada, unpub. BSc-thesis, 96 pp
citation_journal_title=Bull Geol Soc Finland; citation_title=The 3.5 Ga Siurua trondhjemitegneiss in the Archaean Pudasjärvi Granulite Belt, northern Finland; citation_author=T Mutanen, H Huhma; citation_volume=75; citation_issue=1–2; citation_publication_date=2003; citation_pages=51-68; citation_id=CR38
citation_journal_title=Precambr Res; citation_title=Nd isotopic evolution of the upper mantle during the precambrian: models, data and the uncertainty of both; citation_author=ThF Naegler, JD Kramers; citation_volume=91; citation_issue=3–4; citation_publication_date=1998; citation_pages=233-252; citation_doi=10.1016/S0301-9268(98)00051-5; citation_id=CR39
citation_journal_title=Precambr Res; citation_title=The Svecofennian Orogen: a tectonic model; citation_author=M Nironen; citation_volume=86; citation_issue=1–2; citation_publication_date=1997; citation_pages=21-44; citation_doi=10.1016/S0301-9268(97)00039-9; citation_id=CR40
citation_journal_title=J Conf Abs; citation_title=
40Ar/39Ar and ion-microprobe U–Pb geochronological constraints on the Svecofennian tectonothermal history of south-central Sweden; citation_author=L Page, FF Beunk, J Wijbrans, M Stephens; citation_volume=4; citation_issue=1; citation_publication_date=1999; citation_pages=131; citation_id=CR41
citation_journal_title=Precambr Res; citation_title=Origin of Continental Crust of 1.9–1.7 Ga age: Nd isotopes in the Svecofennian Orogenic Terrains of Sweden; citation_author=PJ Patchett, R Gorbatschev, W Todt; citation_volume=35; citation_publication_date=1987; citation_pages=145-160; citation_doi=10.1016/0301-9268(87)90050-7; citation_id=CR42
citation_journal_title=Earth Planet Sci Lett; citation_title=Recycled ocean crust and sediment in Indian Ocean MORB; citation_author=M Rehkaemper, AW Hofman; citation_volume=147; citation_issue=1–4; citation_publication_date=1997; citation_pages=93-106; citation_doi=10.1016/S0012-821X(97)00009-5; citation_id=CR43
citation_journal_title=Chem Geol; citation_title=Provenance Signatures of Sandstone Mudstone Suites Determined Using Discriminant Function-Analysis of Major Element Data; citation_author=BP Roser, RJ Korsch; citation_volume=67; citation_issue=1–2; citation_publication_date=1988; citation_pages=119-139; citation_doi=10.1016/0009-2541(88)90010-1; citation_id=CR44
citation_journal_title=Treatise Geochem; citation_title=Composition of continental crust; citation_author=RL Rudnick, G Gao; citation_volume=3; citation_publication_date=2003; citation_pages=1-64; citation_doi=10.1016/B0-08-043751-6/03016-4; citation_id=CR45
citation_journal_title=Geol J; citation_title=Mafic plutonic rocks in a continental-arc setting: geochemistry of 1.87–1.78 Ga rocks from south-central Sweden and models of their palaeotectonic setting; citation_author=H Rutanen, UB Andersson; citation_volume=44; citation_publication_date=2009; citation_pages=241-279; citation_id=CR46
citation_journal_title=Chem Geol; citation_title=Testing the reliability of discrimination diagrams for determining the tectonic depositional environment of ancient sedimentary basins; citation_author=KM Ryan, DM Williams; citation_volume=242; citation_issue=1–2; citation_publication_date=2007; citation_pages=103-125; citation_doi=10.1016/j.chemgeo.2007.03.013; citation_id=CR47
citation_journal_title=Precambr Res; citation_title=Depositional environments at a Palaeoproterozoic continental margin, Vastervik Basin, SE Sweden; citation_author=L Sultan, P Plink-Björklund; citation_volume=145; citation_issue=3–4; citation_publication_date=2006; citation_pages=243-271; citation_doi=10.1016/j.precamres.2005.12.005; citation_id=CR48
citation_journal_title=GFF; citation_title=Proterozoic and Archaean ages of detrital zircon from the Palaeoproterozoic Vastervik Basin, SE Sweden: Implications for provenance and timing of deposition; citation_author=L Sultan, S Claesson, P Plink-Björklund; citation_volume=127; citation_publication_date=2005; citation_pages=17-24; citation_doi=10.1080/11035890501271017; citation_id=CR49
Sun SS, McDonough WF (1989) Chemical and isotopic systematics of oceanic basalts: implications for mantle composition and processes. In: Saunders AD, Norry MJ (eds) Magmatism in Ocean Basins. Geological Society of London, Special Publication 42, pp 313–345
citation_journal_title=GFF; citation_title=Complex fabric development in Paleoproterozoic meta-quartzites of the Vastervik Basin, SE Sweden; citation_author=A Vollbrecht, B Leiss; citation_volume=130; citation_publication_date=2008; citation_pages=41-45; citation_doi=10.1080/11035890801301041; citation_id=CR51
Wikström A (1993) U–Pb dating of the Stormandebo Rhyolite in the Vastervik area, southeastern Sweden. SGU, Uppsala, Ser. C-Avhandlingar och uppsatser 823, pp 73–76
Wikström A, Andersson UB (2004) Geological features of the Småland-Värmland belt along the Svecofennian margin, part I: from the Loftahammar to the Tiveden-Askersund areas. In: Högdahl K, Andersson UB, Eklund O (eds) The Transscandinavian Igneous Belt (TIB) in Sweden: a review of its character and evolution. Geological Survey of Finland, special paper 37, pp 22–39