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Dobele Formation

ID: 298

General info

Unit nameDobele kihistu
Unit nameDobele Formation
Belongs toBaltic lithostratigraphy (Silurian)
Typelithostratigraphy
RankFormation
Scoperegional
RegionNorth Latvia 3
Statusformal standard
AuthorUlst
Year1973
EtymonDobele town (L)
Original localityBlīdene core
AgeRaikküla Stage
Remarksns: Remte- 3 core 939- 945 m. (34) - Katlakalns dep.

References

Reference pgs.Remarks
Gailite et al., 1987
Ulst, 1976
Ulst, 1973

Stratotypes

TypeLocalityDepth (m)ReferenceRemarks
holostratotypeBlidene 5 borehole786.00..793.00Ulst, 1973not preserved
neostratotypeRemte 3 borehole939.00..945.00Gailite et al., 1987

Chemical composition and other properties

Variableminavgmaxstdcount
carbonates [%]1.2000012.5692363.2000017.2424513
CO2 Amp965.000001631.307692426.00000460.3656313
delta13Corg [‰]-30.60000-29.94615-29.000000.4584513
delta15N [‰]-1.10000-0.163152.200001.0016819
LOI_450C [%]2.7000013.7500024.900006.1849714
N [%]0.020000.317890.790000.2050519
N2 Amp122.000001185.684212823.00000721.2931419
weight [mg]1.760007.8267820.726005.4381732

Specimens in collections (approximately): 105

Samples in collections (approximately): 57

Thickness map (partial data only)

Localitybase, mtop, mthicknessreferencepreferred
Aispute 41 borehole 976.50 969.00 7.50 Loydell et al., 2003 1