ADVENTDALEN GP
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Generell informasjon
Generell informasjon Attributt Verdi Litostrat. enhet Den litostratigrafiske enhetens offisielle navn.ADVENTDALEN GPNPDID for litostrat. enhet Sokkeldirektoratets entydige nøkkel for litostratigrafiske enheter.1Nivå Angir den litostratigrafiske enhetens nivå. Lovlige verdier: GROUP, FORMATION, MEMBER.GROUP -
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Beskrivelse
Adventdalen Group
NameThe group is named after a major valley in central Spitsbergen.Type areaThe type area is Central Spitsbergen.ThicknessThickness on Svalbard: ca. 750-1600 m, known thickness on the Barents Sea Shelf: ca. 1000-1750 m.LithologyThe Adventdalen Group comprises shales, siltstones and sandstones of Late Jurassic to Early Cretaceous age in Svalbard and throughout the Barents Sea Shelf.DistributionThe group is widely exposed along the margins of the Central Tertiary Basin on Spitsbergen, as well as in eastern Spitsbergen (Sabine Land) and on Kong Karls Land. It continues across the Barents Sea Shelf to the Bjarmeland Platform, around the Loppa High and into the Hammerfest and Nordkapp basins. The Adventdalen Group was eroded down to varying levels during the late Cretaceous uplift. On the southem Barents Sea Shelf, this hiatus comprises only the Cenomanian and part of the Turonian, while the entire Upper Cretaceous is lacking on Svalbard.AgeLate Jurassic - Early Cretaceous.Depositional environmentThe group is dominated by dark marine mudstones, but includes also deltaic and shelf sandstones as well as thin, condensed carbonate beds. Important hydrocarbon source rocks occur in the Upper Jurassic succession, both in Svalbard and in the Barents Sea (Agardhfjellet, Fuglen and Hekkingen formations). A Barremian sandstone unit, (Helvetiafjellet Formation) in Svalbard is the result of local uplift and deltaic progradation, while a coeval, condensed limestone interval in the Barents Sea ( Klippfisk Formation ) grades into marls and calcareous mudstones in the basins. A hiatus occurs around the Jurassic - Cretaceous boundary.SubdivisionSix formations are defined within the group on the Barents Sea Shelf: the Fuglen , Hekkingen , Klippfisk , Knurr , Kolje and Kolmule formations.Compiled from-
Dallmann, W. K. (ed.) 1999: Lithostratigraphic lexicon of Svalbard. Review and recommendations for nomenclature use. Upper Palaeozoic to Quaternary Bedrock. Norwegian Polar Institute, 318 pp. hans
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Brønnbaner som penetrerer
Brønnbaner som penetrerer 27.11.202041691003.12.20001215244716.07.19821875320009.09.19831393500011.09.19832815307525.09.19841585274810.10.19801058265826.06.1981452137212.09.19831456314417.02.20111116229628.03.19891585221123.03.19911450269209.07.20111441207106.06.19851230228502.05.19851117238622.07.20071176256430.11.20121289289308.10.19821170240821.08.19831092215009.06.19841496288910.09.19811150209229.07.1982961208124.05.19831200219210.12.20071279226426.09.1982984184020.10.19841097197108.09.1984694156805.09.1990703250012.10.1980742204711.09.1981745189205.05.1983864215803.01.2011826216502.03.20192072334327.10.19841052231814.04.19851112248028.09.19851036236906.07.1986977232309.03.2001865188005.08.1984931184912.08.1986923188215.07.2017873191129.11.2011910232811.11.1992764206813.01.1992910232611.11.1987916201519.09.2006852204810.10.2021852189105.10.2000635110219.10.2001638107808.01.2006650108725.11.2006629117723.12.2006655118113.01.2007655120004.01.2013645112226.12.2018676116628.09.201747562014.05.2008860209121.04.2008860209520.10.1987618128512.10.2011600125930.12.1988617139907.03.200753887201.12.200855393007.09.2014557103308.01.201633560513.05.200543087809.02.201934570107.04.201934575210.04.20141893300010.04.20131559254226.12.19921545452130.09.20131753289825.02.19881468195102.02.20211974201519.01.20171498150128.02.20171673169930.11.20171602161807.11.20171548155317.01.20181832224310.10.201465582825.02.20141294226724.03.20121035133708.07.2013988153224.01.20121316178116.12.2013980111905.05.20141180144814.03.20211219182002.05.20111014127607.06.202289093616.10.20121272151317.10.201455658003.05.201558762314.06.201558762302.09.201557560129.09.201557560110.10.201657560117.07.201756458928.08.201756458908.10.201857860801.12.202049450425.05.201845246727.02.201446148714.01.200946750104.03.201645668221.08.2008419100419.06.198840189425.09.201141672707.08.201347872919.07.200845490111.04.1988374119410.11.2014558153924.03.2006262114222.02.2006262114226.04.201241696720.12.1989373127502.02.2001334136110.02.2001334136108.01.2001334136207.05.1990308107315.12.1993379127019.07.202168273007.10.201750298022.03.2017562341722.09.20141385154001.10.2018534150622.10.1988526199903.09.1987546143701.07.2020528162128.11.1988558137928.05.202154870711.08.201854079718.06.201454484921.11.201853287731.07.201953479203.11.201349078006.07.201450671214.04.201651078917.09.201350066216.05.201548966817.09.201750166507.08.201451269619.08.198948056921.07.201452987603.08.201752377215.06.201927557701.09.2017291577 -
Brønnbaner med kjerner
Brønnbaner med kjerner 03.12.20001409.09.19833525.09.1984328.03.19892123.03.19916709.07.20117602.05.19851030.11.20121509.06.19842105.09.1990912.10.19802911.09.1981402.03.20195014.04.19851728.09.1985411.11.199212419.10.2001308.01.2006430.12.1988826.12.1992725.02.19882828.02.2017010.10.20142708.07.20134516.10.20125311.04.1988107.05.1990822.10.1988328.11.19881406.07.2014917.09.2013017.09.201715