Balmberg-Oolith

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Representation and status

Color CMYK
(20%,9%,0%,14%)
Color RGB
R: 175 G: 200 B: 220
Rank
lithostratigraphic Bed
Validity
Unit is in Use
Status
local name (informal)

Nomenclature

Deutsch
Balmberg-Oolith
Français
Oolite du Balmberg
Italiano
Oolite del Balmberg
English
Balmberg Oolite
Origin of the Name

Balmflue am Balmberg (SO)

Historical Variants

Balmberg-Oolith (Bolliger & Burri 1970 S.74), Untere Holzflue-Schichten (Gygi 1969)

Links

Description

Description

Dünngebankter, kreuzgeschichteter oolithischer Grainstone.

Hierarchy and sequence

Superordinate unit
Upper boundary

Hautes-Roches-Algenkalk (i.e. Olten-Member)

Lower boundary

Vellerat-Formation

Age

Age at top
  • Early Kimmeridgian
Age at base
  • late Oxfordian

Geography

Type profile

Palaenography and tectonic

  • Malm of the Jura Mountains
Paleogeography
Northern Tethyan Carbonate Platform :
Plateforme de Bourgogne, ... = Northern Tethyan Carbonate Platform (NTCP)
Tectonic unit (resp. main category)
Kind of protolith
  • sedimentary
Metamorphism
non metamorphic

References

Definition
Bolliger W., Burri P. (1970) : Sedimentologie von Schelf-Carbonaten und Beckenablagerungen im Oxfordien des zentralen Schweizer Jura. Beitr. geol. Karte Schweiz N.F. 140, 112 Seiten

a) Balmberg-Oolith (neu)

Synonym: Untere Holzflue-Schichten (Gygi 1969).

Typlokalität: Profil N Günsberg, Koord. 609600/235500.

Ausbildung: dünngebankter, kreuzgeschichteter oolithischer Grainstone.

Begrenzung: kommt nur im SE des Untersuchungsgebietes vor, wird unten von der Vellerat-Formation, oben von den Hautes-Roches-Algenkalken [i.e. Olten-Member] begrenzt. S.74

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