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ECHELLE CHRONOLOGIQUE [1 record]

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Record 1 2010-12-13

English

Subject field(s)
  • Chronology
  • Geology
CONT

For instance, with reference to the Geologic time scale, the Upper Permian (Lopingian) lasted from 270.6 +/- 0.7 Ma (Ma = millions of years ago) until somewhere between 250.1 +/- 0.4 Ma (oldest known Triassic) and 260.4 +/- 0.7 Ma (youngest known Lopingian) - a gap in known, dated fossil assemblages of nearly 10 Ma.

OBS

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

French

Domaine(s)
  • Chronologie
  • Géologie
CONT

L'échelle chronologique qui a été utilisée est celle de Gradstein et Ogg (1996). Des renseignements publiés ou non ont servi à dater les épisodes biostratigraphiques (disparitions du taxon et apparitions du taxon) observés pendant l'étude.

OBS

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

Spanish

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