Pisolite de la Caquerelle

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Representation and status

Color CMYK
(0%,5%,3%,24%)
Color RGB
R: 195 G: 185 B: 190
Rank
lithostratigraphic Bed
Validity
Unit is in Use
Status
local name (informal)

Nomenclature

Deutsch
La-Caquerelle-Pisolith
Français
Pisolite de la Caquerelle
Italiano
Pisolite della Caquerelle
English
La Caquerelle Pisolite
Origin of the Name

Ferme de La Caquerelle (JU), au sud-ouest du Col des Rangiers

Historical Variants

Oolithe pisaire = Oolithe pisiforme (Rollier ----), Caquerelle-Pisolith (Ziegler 1962 S.18, Bolliger & Burri 1970 S.71), Calcaires psilothiques de la Caquerelle, Caquerelle pisolite = Caquerelle oncolite (Gygi 2000c)

Nomenclatorial Remarks

non: Caquerelle-Schichten (Tobler 1905)

Links

Description

Description

Oolithe, Mumienkalke im untersten Teil.

Hierarchy and sequence

Superordinate unit

Age

Age at top
  • Oxfordian
Age at base
  • Oxfordian

Geography

Type locality
Point of interest
  • Côte du Frêne, Asuel (JU)
    Site particularities
    • typische Fazies
    Site accessibility
    • Strassenanschnitt / Bahnanschnitt
    Coordinates
    • (2581950 / 1247990)
    Note
    • route forestière 400 m SW Les Malettes (Gygi 2000c Profil RG 338)

Palaenography and tectonic

Tectonic unit (resp. main category)
Kind of protolith
  • sedimentary
Conditions of formation

Les pisolithes se sont probablement formées dans des eaux très peu profondes, immédiatement en arrière du récif "rauracien" proprement dit.

Metamorphism
non metamorphic

References

Definition
Ziegler M. A. (1962) : Beiträge zur Kenntnis des unteren Malm im zentralen Schweizer Jura. Mitt. geol. Inst. ETH und Univ. Zürich

S.18

Definition
Gygi R. A. (2000) : Annotated index of lithostratigraphic units currently used in the Upper Jurassic of northern Switzerland. Eclogae geol. Helv. 93/1, 125-146

p.129: Northeast of St-Ursanne the oncoids be come so concentrated that they form an oncolite. This local facies was called Caquerelle pisolite by Ziegler (1962. p. 18). This must be distinguished from the Couches de la Caquerelle of Rollier (1892. p. 282). a synonym of the Buix Member (see above). The Caquerelle oncolite was figured by Pümpin (1965 Fig. 6 and 7). At present the oncolite is well exposed in the unpublished section RG 338 at the locality Côte du Frêne near Asuel. Canton Jura. LK 1085 St-Ursanne. at coordinates 581.950/247.990 along a forest road 400 m southwest of Les Malettes.

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