Küsnacht-Bentonit

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Representation and status

Index
K
Color CMYK
(0%,4%,0%,0%)
Color RGB
R: 255 G: 245 B: 255
Rank
lithostratigraphic Bed
Validity
Unit is in Use
Status
informal term

Nomenclature

Deutsch
Küsnacht-Bentonit
Français
Bentonite de Küsnacht
Italiano
Bentonite del Küsnacht
English
Küsnacht Bentonite
Origin of the Name

Küsnachter Tobel (ZH)

Historical Variants
Küsnachter Bentonit-Horizont (Pavoni & Schindler 1981), Küsnachter-Bentonit (Gubler 1987), Küsnacht bentonite (Bolliger 1998a, Kälin & Kempf 2009), Küsnachter Bentonit (Gubler 2009).

Links

Synonyms
Erlenbach-Bentonit

Hierarchy and sequence

Superordinate unit

Age

Age at top
  • Langhian
Age at base
  • Langhian
Dating Method

14.91 ± 0.09 Ma (U/Pb-Datierung mit Zirkonen ; Gubler et al. 1992), 14.84 ± 0.07 Ma (U/Pb-Datierung mit Zirkonen ; Nagra 2008).

Geography

Geographical extent
Zürichsee-Gebiet (Küsnachtertobel ZH, Erlenbachertobel ZH), Sihltal (Chopf bei Adliswil ZH), Reusstal (Jonentobel ZH, Jonental AR, Oberwil-Lieli AG).
Type locality
  • Küsnachtertobel ZH
    Site particularities
    • Obergrenze
    • Untergrenze
    • typische Fazies
    Site accessibility
    • Bachprofil
    Coordinates
    • (2688060 / 1241705)
Type profile
  • Küsnachtertobel ZH
    Site particularities
    • Obergrenze
    • Untergrenze
    • typische Fazies
    Site accessibility
    • Bachprofil
    Coordinates
    • (688060 / 241705)
Reference profiles
  • Erlenbach ZH
    Site particularities
    • Obergrenze
    • Untergrenze
    • typische Fazies
    Coordinates
    • (2688500 / 1239880)
    Note
    • Datierung Gubler 2009.
  • Oberwil-Lieli AG
    Site particularities
    • Obergrenze
    • Untergrenze
    • typische Fazies
    Site accessibility
    • Bachprofil
    Coordinates
    • (2671175 / 1242475)
    Note
    • British Geological Survey / Nagra 2008
Point of interest
  • Chopf bei Adliswil (ZH)
    Site particularities
    • typische Fazies
    Coordinates
    • (2682780 / 1239410)
    Note
    • Pavoni & Schindler 1981, Gubler 1987
  • Jonentobel ZH
    Site particularities
    • Obergrenze
    • Untergrenze
    • typische Fazies
    Site accessibility
    • Bachprofil
    Coordinates
    • (2674640 / 1238970)
  • Seitenbach des Jonentobels AR
    Site particularities
    • Obergrenze
    • Untergrenze
    • typische Fazies
    Site accessibility
    • Bachprofil
    Coordinates
    • (2674290 / 1239125)
  • Jonental AR
    Site particularities
    • Obergrenze
    • Untergrenze
    • typische Fazies
    Site accessibility
    • Bachprofil
    Coordinates
    • (2673580 / 1239375)

Palaenography and tectonic

  • OSM-II
  • Molasse
Paleogeography
North Alpine Foreland Basin
Kind of protolith
  • sedimentary
  • volcanic
Metamorphism
non metamorphic
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