Explore the rare and fascinating geological formations that shape our planet's hidden wonders in this challenging crossword.
Enigmatic Wonders of Earth's Fabric
Explore rare geological formations through this engaging crossword featuring unique natural structures and geological marvels.
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Across
- 1. Porous rock formed by precipitation of calcium carbonate
- 2. Rare organic-rich sedimentary rock from Tasmania
- 4. Rock fragment trapped in another type of rock
- 5. Dark, fine-grained intrusive igneous rock
- 8. Silica or calcium carbonate deposit from hot springs
- 9. Tall, thin spire of rock found in deserts
- 11. Hollow rock with crystal-lined interior
Down
- 3. Rare mineral used as a source of rare earth elements
- 6. Rare purple-black silicate mineral from volcanic rocks
- 7. Large spherical boulders found on New Zealand’s beaches
- 10. Banded, colorful form of chalcedony
- 12. Term describing formations covered with rounded nodules
- 13. Precious gemstone with iridescent play of colors
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