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Definition of Precambrian period
1. Noun. The eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago.
Terms within: Proterozoic, Proterozoic Aeon, Proterozoic Eon, Archaeozoic, Archaeozoic Aeon, Archean, Archean Aeon, Archean Eon, Archeozoic, Archeozoic Eon
Generic synonyms: Aeon, Eon
Lexicographical Neighbors of Precambrian Period
Literary usage of Precambrian period
Below you will find example usage of this term as found in modern and/or classical literature:
1. Bulletin by Ghana Geological Survey (1898)
"Precambrian period IX. GEOLOGICAL HISTORY The sequence of events during this
period commenced with the deposition of phyllites and greywackes in a ..."
2. Notes on the Rocks and Minerals of Michigan: To Accompany the Loan by Dept. of geology, Michigan (1905)
"... ROCKS OF THE Precambrian period. HURONIAN ROCKS. The Huronian rocks contain
the enormous deposits of iron ore which have made the Lake Superior region ..."
3. Science by American Association for the Advancement of Science (1898)
"... how much more rapidly and efficaciously did the principle operate in the
Precambrian period ..."
4. Proceedings of the American Association for the Advancement of Science (1898)
"... how much more rapidly and efficaciously did the principle operate in the
Precambrian period, after the initial steps in the divergence of types from the ..."
5. Summarized Proceedings ... and a Directory of Members (1898)
"... how much more rapidly and efficaciously did the principle operate in the
Precambrian period, after the initial steps in the divergence of types from the ..."
6. The American Naturalist by American Society of Naturalists, Essex Institute (1898)
"... to the evolution of these cephalopods in the Mesozoic, how much more rapidly
and efficaciously did the principle operate in the Precambrian period, ..."
7. Agricultural Geology by John Edward Marr (1903)
"In addition to this great development of these very ancient rocks, we find
representatives of the Precambrian period cropping out in smaller patches further ..."
8. Canada 2002 by Wayne C. Thompson (2003)
"This undulating terrain is the last vestige of what was, during the Precambrian
period, an imposing mountain massif. There are major metal deposits here. ..."
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