«Mergelband» (Quinten-Fm.)

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Representation and status

Index
i7
Color CMYK
(29%,0%,0%,20%)
Color RGB
R: 145 G: 205 B: 205
Rank
lithostratigraphic Member (Subformation)
Validity
Unit is in Use
Status
incorrect name (though informally used)
Status discussion

Nomenclature

Deutsch
«Mergelband» (Quinten-Fm.)
Français
«Mergelband» (Fm. de Quinten)
Italiano
«Mergelband» (Fm. di Quinten)
English
«Mergelband» (Quinten Fm.)
Origin of the Name

Alpweg Berschis-Sennis (SG)

Historical Variants

Mittlerer Quintner Kalk, Mittleres Kimméridgien, Plattenkalk, schiefriges Kalkband im obern Drittel (Stauffer 1920), Mergelband (Schindler 1959, Pfiffner 1972), Zurückwitterndes Band des Malms (Spörli 1966), Marlstone (Padden et al. 2002)

Description

Description

Dunkle, leicht mergelige Lagen mit dünnen Kalkbänken. Die Kalke oft nur dünn gebankt. Westlich des Aarequerschnittes oft auch eigentliche Mergel.

Thickness
20 - 45 m ; 12-30 m (Pfiffner 1972)

Hierarchy and sequence

Superordinate unit
Units at roof
Units at floor

Age

Age at top
  • Kimmeridgian
Age at base
  • Kimmeridgian
Dating Method

Pseudomutabilis Zone (Padden et al. 2002)

Geography

Geographical extent
Ganze Schweiz.
Type area
Walensee-Gebiet (Gonzen-Walenstadt-Schuppenzone)

Palaenography and tectonic

  • Malm of the Helvetics
Paleogeography
North Tethyan Shelf :
marge continentale européenne
Tectonic unit (resp. main category)
Kind of protolith
  • sedimentary
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