Geological Time (Noun)
Meaning
The time of the physical formation and development of the earth (especially prior to human history).
Classification
Nouns denoting time and temporal relations.
Examples
- The earth's surface has been shaped over geological time by the movement of tectonic plates.
- Fossils of ancient plants and animals provide a record of life on earth during geological time.
- The process of mountain building occurs over millions of years, a testament to the slow pace of geological time.
- The Grand Canyon is a remarkable example of erosion over geological time, with the Colorado River carving out a massive canyon over millions of years.
- The earth's magnetic field has reversed many times over geological time, with the poles switching places every few hundred thousand years.