Perfect for beginners with simple, common vocabulary
Cryptic Marvels of Tectonic Enigmas
Challenging puzzle for experienced crossword solvers
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Across
- 1. Rare volcanic ejecta shaped like a convex spectacle
- 2. Mineral with altered external form but changed substance inside
- 3. Fragmented earth rings, where tectonics scatter islands
- 4. Fault zone rock smashed and recrystallized under pressure
- 8. Deep sea sediment formed by underwater density currents
- 9. Weathered tropical soil, rich in iron and aluminum oxides
- 13. Metamorphic rock with prominent foliated planes
- 14. Rare evaporite mineral formation, a gypsum-rich outcrop
Down
- 5. Ancient microbial mats fossilized in layered sediment
- 6. Intrusive rock, often confused with basalt, finely crystalline
- 7. Soft, lightweight formation term ironically not geological
- 10. Volcanic crater lake from explosive interaction underground
- 11. Igneous texture with small crystal cavities, a collector’s delight
- 12. Rare meteorite class with unusual carbon inclusions
- 15. Spectacular sandstone window in the red rock state
- 16. Concretionary lumps often found in sedimentary rocks
- 17. Hypothetical mineral name for rare metamorphic rarity (cryptic creation)
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