Moderate difficulty suitable for most players
Arcane Stratums of Earth’s Interior
Challenging puzzle for experienced crossword solvers
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Across
- 1. Adjective describing the rigid Earth’s outer shell traits
- 2. Process where oceanic plate dives beneath continental
- 3. Collective term for Earth’s structural layers
- 4. Rigid shell where tectonic plates roam
- 5. Molten iron ocean generating geomagnetic shield
- 7. First crust’s composition rich in silica and aluminum
- 9. Seismic boundary separating crust from mantle
- 12. Frozen Earth’s domain, often overlooked by geologists
- 15. Study of ancient supercontinental configurations
- 18. Dynamic process shaping lithospheric architecture
- 19. Yielding layer beneath the plate’s firm crust
Down
- 6. Layer formation by density-driven segregation of elements
- 8. Basaltic substratum underlying continental sial
- 10. Intermediate mantle where rigidity resumes
- 11. Solid iron heart, Earth's innermost core
- 13. Protective magnetic bubble generated by the core
- 14. Ultramafic rock indicative of upper mantle material
- 16. Protrusion of crust poking into oceanic regions
- 17. Descriptive of forces breaking through lithospheric boundaries
- 20. Earth’s internal heat influencing mantle convection
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