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Definitions from WordNet
Noun geologic time has 1 sense
- geological time, geologic time - the time of the physical formation and development of the earth (especially prior to human history)
--1 is a kind of time
--1 has particulars:
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Definitions from the Web
Geologic Time
Geologic time refers to the vast stretches of time in Earth's history, spanning millions to billions of years. It is a crucial concept in the field of geology that helps us understand the formation of rocks, fossils, and the development of our planet.
Usage:
As a Noun:
- The study of geologic time provides insights into the age and history of Earth's rock formations.
- Understanding geologic time is essential for interpreting the fossil record and tracing evolutionary changes.
- The concept of geologic time frames the narrative of Earth's past.
As an Adjective:
- The geologic time scale categorizes Earth's history into different epochs, eras, and periods.
- Fossils are crucial for dating geologic layers and establishing the relative geologic time of different regions.
Sample Sentences:
- The Grand Canyon offers a remarkable view into geologic time, with billions of years of history exposed in its magnificent rock layers.
- Studying the rocks formed during the Proterozoic Eon helps scientists understand significant geologic events that shaped early life on Earth.
- The extinction of dinosaurs marks a significant transition point in the geologic time scale.
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