Hohmatt-Fossilhorizont

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Representation and status

Color CMYK
(29%,0%,0%,20%)
Color RGB
R: 145 G: 205 B: 205
Rank
lithostratigraphic Bed
Validity
Unit is in Use
Status
local name (informal)

Nomenclature

Deutsch
Hohmatt-Fossilhorizont
Origin of the Name

Hohmatt = Hohmad (OW), ENE Melchsee-Frutt

Historical Variants

Intercalations grumeleuses et bréchiformes (Kilian 1895), ?grès siliceux (Lugeon 1903 ; cf. Sembrancher)?, Hohmatt-Fossilhorizont = Hohmatt-Fossillager = Ammonitenbreccie (Rod 1946), Hohmatt-Fossillager (Schaub 1948)

Description

Thickness
0,1 - 0,5 m

Components

Fossil Content
  • ammonites
  • brachiopods

Haploceratidae, Pygope janitor Pictet

Age

Age at top
  • Late Kimmeridgian

Age at base
  • Late Kimmeridgian

Dating Method

Ammoniten-Biostratigraphie: Mischfauna der Dentatus-, Pseudomutabilis- und Beckeri-Zonen (Rod 1946).

Geography

Type area
Fruttgebiet / Melchtaler Alpen (OW)
Type profile
  • Hohmatt (OW)
    Site particularities
    • Obergrenze
    • Untergrenze
    • typische Fazies
    • Fossilfundstelle
    Coordinates
    • (2667260 / 1182890)
    Note
    • Rod 1946

Palaenography and tectonic

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

Aufarbeitung und Kondensation (Rod 1946)

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