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NALT Concept Space
U.S. Department of Agriculture

NALT Full

Concept information

  1. Fields of Study
  2. geology
  3. geological eons
  4. Precambrian time

Término preferido

Precambrian time

Tipo

  • Topic

Definición

  • Information The geological time from the formation of the Earth (4.55 billion years ago) to the start of the Cambrian period (about 570 million years ago).

    Fuente: NAL Thesaurus Staff

    Tipo: Concept definition

Concepto genérico

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URI

https://lod.nal.usda.gov/nalt/290799

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RDF/XML TURTLE JSON-LD Creado 26/1/17, última modificación 10/11/17