Cambrian (geology): Difference between revisions
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The Cambrian refers to a [[Geologic ages of earth history|chronostatrigraphic]] or a [[Geologic ages of earth history|geochronological]] | The Cambrian is both a system of strata and a period of time. The name refers to a [[Geologic ages of earth history|chronostatrigraphic]] or a [[Geologic ages of earth history|geochronological]] units of geological measure. The Cambrian is roughly the period between 543 to 490 million years ago in the Paleozoic Era of the Phanerozoic Eon. It encompasses four chronostatrigraphic series and ten epochs and correspondingly, four geochronological stages and ten ages. | ||
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| style="background:rgb(102,169,75)" | '''''Unnamed''''' | | style="background:rgb(102,169,75)" | '''''Unnamed''''' | ||
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The name is derived from ''Cambria'', the Roman word for ''Wales'', the area where the rocks of the Cambrian was first studied.<ref>[http://www.isgs.uiuc.edu/glossary.htm Glossary] Illinois State Geological Survey</ref> | |||
==References == | ==References == | ||
Revision as of 17:54, 22 April 2007
The Cambrian is both a system of strata and a period of time. The name refers to a chronostatrigraphic or a geochronological units of geological measure. The Cambrian is roughly the period between 543 to 490 million years ago in the Paleozoic Era of the Phanerozoic Eon. It encompasses four chronostatrigraphic series and ten epochs and correspondingly, four geochronological stages and ten ages.
| Erathem/Era | System/Period | Series/Epoch | Stage/Age |
|---|---|---|---|
| Paleozoic | Cambrian | Furongian | Unnamed |
| Unnamed | |||
| Paibian | |||
| Unnamed | Unnamed | ||
| Drumian | |||
| Unnamed | |||
| Unnamed | Unnamed | ||
| Unnamed | |||
| Unnamed | Unnamed | ||
| Unnamed |
The name is derived from Cambria, the Roman word for Wales, the area where the rocks of the Cambrian was first studied.[1]