carboniferous period
Definition
- Proper noun:
- A geological period: The Carboniferous Period is a major division of geological time within the Paleozoic Era, spanning from approximately 359 to 299 million years ago. It is characterized by the widespread formation of coal beds from dense forests and swamps, and the diversification of early reptiles and amphibians.
Usage Examples
- Proper noun:
- The vast coal deposits we use today were formed during the Carboniferous Period.
- Scientists study fossils from the Carboniferous Period to understand early terrestrial ecosystems.
Advanced Usage
- "The Carboniferous": Often used alone to refer to the period.
- The climate of the Carboniferous was generally warm and humid.
Variants and Related Words
- Carboniferous (adj): Relating to or denoting the Carboniferous Period.
- Carboniferous rocks are rich in plant fossils.
- Pennsylvanian (noun): In North American geology, the later subdivision of the Carboniferous.
- Mississippian (noun): In North American geology, the earlier subdivision of the Carboniferous.
Synonyms
- The Age of Coal: An informal name referencing the period's key characteristic.
- The Carboniferous: A shortened form.
Related Phrases
- Carboniferous flora: The plant life characteristic of this period.
- Carboniferous fauna: The animal life characteristic of this period.
Noun
-
from 345 million to 280 million years ago
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