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NALT Full

Preferred term

Precambrian time

Type

Topic

Definition

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).
Source: NAL Thesaurus Staff
Concept scheme: NALT Full
Type: Concept definition

Broader concept

geological eons

Narrower concepts

In other languages

Precámbrico

Spanish

URI

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

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RDF/XML TURTLE JSON-LD Created 1/26/17, last modified 11/10/17