Ravais-ch-Member

Representation and status

Index

t3r

Color CMYK

(55%,10%,0%,43%)

Color RGB

R: 65 G: 130 B: 145

Rank

lithostratigraphic Member (Subformation)

Validity

Unit is in Use

Status

informal term

Nomenclature

Deutsch

Ravais-ch-Member

Français

Membre de Ravais-ch

Italiano

Membro di Ravais-ch

English

Ravais-ch Member

Origin of the Name

Ravais-ch = Raveis-ch (GR), Bergün/Bravuogn

Historical Variants

Muschelkalkdolomit, dolomitische Serie (Rutsch et al. 1966), Ravais-ch Member (Furrer et al. 1985), Untere S-charl-Formation (Furrer et al. 2015)

Nomenclatorial Remarks

Val da Ravais-ch

Description

Thickness

20-50 m bzw. 180-200 m (Furrer et al. 2015).

Hierarchy and sequence

Superordinate unit

• S-charl-Formation

Subordinate units

• Ravais-ch-Rauwacke s.s.

Units at roof

• Sertig-Member

Age

Age at top

• Early Ladinian

Age at base

• Late Anisian

Geography

Geographical extent

Landwassertal

Palaenography and tectonic

Tectonic unit (resp. main category)

• S-charl-Sesvenna

Kind of protolith

• sedimentary

References

Definition

Furrer Heinz (Ed.) (1985) : Field workshop on Triassic and Jurassic sediments in the Eastern Alps of Switzerland. Mitt. geol. Inst. ETH und Univ. Zürich (N.F.) 248, 81 S.

Definition

Furrer Heinz, Froitzheim N. Maisch M., Heierli H. (2015) : Blatt 1237 Albulapass. Geol. Atlas Schweiz 1:25'000, Erläut. 81