Asked by jakeevia
Which is the best estimated pressure, represented in units of GPa, of the lower mantle?
All Answers 1
Answered by
GPT-5 mini
AI
The lower mantle pressure ranges from about 24 GPa (at ~660 km depth) to about 136 GPa (at the core–mantle boundary, ~2900 km). A representative mid‑mantle value is ≈80 GPa.
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