BROOM FM
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Generell informasjon
Generell informasjon Attributt Verdi Litostrat. enhet Den litostratigrafiske enhetens offisielle navn.BROOM FMNPDID for litostrat. enhet Sokkeldirektoratets entydige nøkkel for litostratigrafiske enheter.17Nivå Angir den litostratigrafiske enhetens nivå. Lovlige verdier: GROUP, FORMATION, MEMBER.FORMATIONLitostrat. enhet, forelder Den litostratigrafiske enhetens offisielle navn, refererer til forelder. Se også nivå. Vil være tom hvis Nivå = GROUP. -
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Beskrivelse
Broom Formation
NameNamed by Deegan and Scull (1977) who gave it "sub-unit" status.Well type sectionWell reference sectionNorwegian well 33/9-1 (Mobil) from 2664 m to 2668 m, coord N 61°15'07.5", E 01°50'25.8" (Fig 3.11) .Thickness11 m in the type well and 4 m in 33/9-1 . In the Brent-Statfjord area it varies from a few meters to about fifteen meters in thickness.LithologyIn the type well it is a pale grey to brown, coarse-grained poorly sorted conglomeratic sandstone containing shale clasts.BoundariesThe Broom Formation is distinguished from the underlying Dunlin Group and the overlying Rannoch Formation by its irregular, but generally lower, gamma ray readings.DistributionThe Broom Formation is easily identified in the Brent - Statfjord area. In parts of the East Shetland Basin a thin distal equivalent of the Broom Formation is present within the shales of the Drake Formation .AgeLate Toarcian to Bajocian.Depositional environmentThe Broom Formation is a shallow marine deposit, and is a precursor of the regression which characterizes the overlying Rannoch Formation .Source-
Vollset, J. and Doré, A. G. (eds.) 1984: A revised Triassic and Jurassic lithostratigraphic nomenclature for the Norwegian North Sea. NPD-Bulletin No. 3, 53 pp.
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Brønnbaner som penetrerer
Brønnbaner som penetrerer 09.05.19824489450024.02.19844415442103.06.19784051405702.01.19973764377704.06.19742664266824.12.19872810281509.04.19882947294927.04.19893296330626.04.20023155316717.12.19872334234113.04.19882598260011.12.19922966297201.10.19932456246014.09.19963178318315.10.20082561258708.03.19862980298114.09.19882964296509.06.19912922292401.04.19913046304916.07.19924764476710.02.19934764476708.09.19781935194607.06.19792084209210.10.19872081208915.10.19791905191602.01.19802134214822.01.19802273229025.05.19802040205409.05.19801945195703.07.19801945195719.03.19822069208030.08.19832595260431.05.19912268227522.02.19952796281029.05.19953045305220.06.19952800281413.10.19955820584228.08.19972863287517.05.19964320432824.01.19813743374421.05.19823868388522.08.199643194353 -
Brønnbaner med kjerner