Moderate difficulty suitable for most players
Subterranean Stratigraphy Enigma Puzzle
Challenging puzzle for experienced crossword solvers
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Across
- 1. Continental crust component, rich in silicates and aluminum
- 2. Viscous layer enabling lithospheric plates' slow glide
- 5. Dominant ultramafic rock composing the upper mantle
- 6. Science decoding Earth's internal layering through waves
- 9. Central metallic sphere generating Earth’s magnetic shield
- 11. Earth’s brittle skin, thicker beneath continents
- 12. Solid yet ductile mantle region deep under crust
Down
- 3. Surface where sudden property changes mark Earth’s layers
- 4. Core alloy chiefly formed by iron and nickel
- 7. Oceanic crust material composed mainly of silica and magnesium
- 8. Boundary separating crust and mantle, named for a seismologist
- 10. Heat transfer mechanism driving mantle circulation
- 13. Related to Earth’s internal heat gradient driving convection
- 14. Rigid outer shell where tectonics dance beneath feet
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