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FRANCONIEN [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2008-12-09

English

Subject field(s)
  • Chronology
  • Geology
DEF

A stratigraphic stage name which is being used for the top of the North American Upper Cambrian.

CONT

The Cambrian is usually broken into Lower (Caerfai or Waucoban), Middle (St Davids or ALbertian) and Upper (Merioneth or Croixan) subdivisions. The faunal stages from youngest to oldest are: Franconian/Trempealeauan/Dolgellian (Upper); Dresbachian/Maentwrogian (Upper); Solvan (Middle), Menevian (Middle); Toyonian/Lenian/Botomian (Lower); Atdabanian (Lower); Tommatian (Lower).

OBS

Synonymous or shares same epoch with Franconian and Dresbachian.

OBS

Trempealeauan: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Chronologie
  • Géologie
DEF

Étage terminal du Cambrien d’Amérique du Nord, au-dessus du Franconien, au-dessous du Canadien.

OBS

D’après la rivière Trempealeau, Wisconsin.

OBS

Trempéaléanien : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Save record 1

Record 2 1976-06-19

English

Subject field(s)
  • Geology
OBS

middle croixan (DMMRT), stage: upper Cambrian, North America. Name derived from Franconia, Min. (LISEU), middle upper Cambrian (GEMCA Chart IV)

French

Domaine(s)
  • Géologie
OBS

franconien : par analogie et sous toutes réserves.(HD), potsdamien moyen : Cf. "Upper Cambrian". HD 12-04-72

Spanish

Save record 2

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