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Phanerozoic vs Precambrian - What's the difference?

phanerozoic | precambrian |

Precambrian is a coordinate term of phanerozoic.



As adjectives the difference between phanerozoic and precambrian

is that phanerozoic is of, or relating to the Phanerozoic eon while Precambrian is relating to the time and geology dated before the Phanerozoic.

As proper nouns the difference between phanerozoic and precambrian

is that phanerozoic is a geologic eon from about 570 million years ago to the present, comprising the Paleozoic, Mesozoic and Cenozoic eras while Precambrian is {{cx|geology|lang=en}} The eon (or supereon) and rock formations dated before 541.0±1.0 million years ago, coinciding with the first appearance of the fossils of hard-shelled animals.

phanerozoic

Adjective

(en adjective)
  • (geology) Of, or relating to the Phanerozoic eon
  • Proper noun

    (en proper noun)
  • (geology) A geologic eon from about 570 million years ago to the present, comprising the Paleozoic, Mesozoic and Cenozoic eras.
  • See also

    *

    precambrian

    English

    Adjective

    (wikipedia Precambrian) (-)
  • (informal, geology) Relating to the time and geology dated before the Phanerozoic
  • Proper noun

    (en proper noun)
  • The eon (or supereon) and rock formations dated before 541.0±1.0 million years ago, coinciding with the first appearance of the fossils of hard-shelled animals.
  • Usage notes

    * The (International Commission on Stratigraphy), which attempts to standardize the vocabulary of the field, is revising the boundaries between time periods based on physical-science methods rather than the kinds of fossils present. * The boundary between the Precambrian and the Phanerozoic has been changed from time to time and will be subject to change, as will the eons listed as Hyponyms below.

    Synonyms

    * (geological eon) Cryptozoic (archaic)

    Coordinate terms

    * (geological eon) Phanerozoic

    Hyponyms

    * (geological eon) Hadean, Archaean, Proterozoic - eons