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Whose work first created the geologic time scale?
Earth ScienceGeologic Time
Quick Answer
James Hutton and later Charles Lyell laid the foundations of modern geology, while 19th-century geologists built the geologic time scale. It organizes Earth's history into eons, eras, periods, and epochs.
The Full Story
The geologic time scale emerged gradually from the work of several scientists, especially James Hutton and Charles Lyell, whose ideas helped establish deep time. Later geologists used rock layers, fossils, and relative dating to divide Earth's history into named intervals. The time scale was later refined by radiometric dating. It remains the standard framework for Earth's 4.54-billion-year history.
Key Facts
1.Earth is about 4.54 billion years old
2.The time scale uses eons, eras, periods, and epochs
3.Radiometric dating refined the scale
YouTube Angle
Suggested video title for this topic:
"Earth’s history is a giant calendar—and geologists wrote it."