Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-geology-cd88cd220bab
What is the principle of superposition?
In undisturbed layers, a layer is younger than the one below.
- Older layers sit above younger ones
- In undisturbed layers, a layer is younger than the one below ✔
- Faults are always oldest
Why: In an undisturbed sedimentary sequence, each layer is younger than the one beneath and older than the one above.
Huh, didn't know that: In an undisturbed sedimentary sequence, each layer is younger than the one beneath and older than the one above.
Superposition stacks up nicely.
Like this card?
References
Answer: In undisturbed layers, a layer is younger than the one below. In an undisturbed sedimentary sequence, each layer is younger than the one beneath and older than the one above.
- Geology en.wikipedia.org/wiki/Geology
a sedimentary rock layer in a tectonically undisturbed sequence is younger than the one beneath it and older than the one above it
Checked 2026-11-07.
Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.
More stuff everyone should know
That's stuff everyone should know.