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GEOLOGIC TIME [1 record]

Record 1 2003-12-04

English

Subject field(s)
  • Geology
DEF

The period of time dealt with by historical geology, or the time extending from the end of the formative period of the Earth as a separate planetary body to the beginning of written or human history; the part of the Earth's history that is represented by and recorded in the succession of rocks.

CONT

It is now well known to geologists that the earth, and its crust, in particular, have passed through an evolutionary sequence of changes throughout geological time ...

OBS

Geologic time is divided into eras: Cenozoic, Mesozoic, Cambrian, and Precambrian; eras are further subdivided into periods and epochs.

French

Domaine(s)
  • Géologie
CONT

La notion la plus difficile à acquérir, et pourtant la plus fondamentale, fut celle de l'immense durée des temps géologiques. [...] En 1830 [...], Charles Lyell fera prendre conscience de l'âge considérable du Globe en calculant sa durée [...] en millions d'années. Ce sera désormais le nouvel étalonnage de la durée des temps géologiques.

CONT

[...] l'uranium peut se trouver [...] dans des formations sédimentaires s'étalant sur toute la chaîne des temps géologiques.

OBS

Terme généralement usité au pluriel.

Key term(s)
  • temps géologiques

Spanish

Campo(s) temático(s)
  • Geología
DEF

Sistema de términos para la clasificación del tiempo, desde la formación de la Tierra hasta la actualidad.

CONT

Las cercanías tenían que ser estables durante períodos significativos de tiempo geológico, mientras que la presión de elevación y la erosión apenas si ejercían efecto alguno.

Key term(s)
  • tiempos geológicos
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