Geological Enigmas of Gravel Terrain
Challenging puzzle for experienced crossword solvers
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Across
- 1. Volcanic glass often found near gravel beds, sharp and dark
- 2. Seismic zone affecting gravel stability in the northwest US
- 3. Famous gravelly English locality tied to folklore
- 4. Angular gravel fragments cemented into rock
- 5. Measurement of particle sizes within gravel deposits
- 6. Transformation of sediment into rock beneath the surface
- 8. Scientific study of sediment formation and deposition
- 9. Glacially-derived sedimentary rock composed of compacted gravel
- 10. Falcon species nesting on rugged gravel cliff faces
- 16. Tiny stream carve, active in gravel erosion
Down
- 7. Layering process distinguishing gravel strata
- 11. Supercontinent precursor to modern landmasses, ancient gravel origins
- 12. Sediment deposited by running water, fertile yet elusive
- 13. Tiny step-like ridge formed in gravelly soil by natural forces
- 14. Term for unconsolidated gravel turned to solid rock
- 15. Vegetative boundaries often stabilizing gravelly embankments
- 17. Wind-driven processes shaping gravel surfaces
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