5 Questions
What is the approximate age of most rocks encountered by engineers?
10-500 years old
What continually modifies the Earth’s surface and creates new rocks?
Erosion and rock destruction
How old is the limestone at the summit of Mt Everest?
300 million years old
Why is it difficult to comprehend geological time?
The time gaps account for many contrasts in ground conditions
What do most surface landforms visible today result from?
Erosion within the last few million years
Test your knowledge about geological time and its impact on engineering structures. Learn about the age of the Earth, the formation and deformation of rocks, and the evolution of surface landforms.
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