Across
- 2. a fracture in the earth's surface, most commonly associated with earthquakes
- 4. the digging site of an archaeological exploration
- 8. 85% of Earth's history, life appears and exists only in the sea. Rock from this era can be seen on Antelope Island
- 11. A densely packed salt pan in Tooele County in northwestern Utah. The area is a remnant of the Pleistocene Lake Bonneville
- 12. a major division of geological time composed of a number of periods
- 15. to make more compact by pressing. The process that created Utah's sandstone geologic features.
- 17. The largest to be found in Utah was 1164 pounds and found in the Drum Mountains near Delta.
- 18. the part of geologic time that took place 240-65 million years ago; appearance and extinction of dinosaurs; shallow seas give way to sandy deserts; sedimentary rock is formed; Rocky Mountains begin forming
- 19. Utah's largest fault line
- 20. This is Utah's oldest animal fossil
- 21. the wearing away of the earth's surface by water, glaciers, and wind
- 23. Utah state fossil
- 27. the part of geologic time that took place 570-240 million years ago ; shallow seas cover Utah; trilobites, amphibians, reptiles live in seas; limestone, oil, gas, salt, potash, shale are in rock. Fossil fuels form
Down
- 1. The skeleton of this ice age mammal was unearthed during the construction of Huntington Reservoir
- 3. activity that brought Utah's mineral resources to the surface
- 5. a scientist who studies the history of the earth as recorded in rock
- 6. paleontologist from the Carnegie Museum of Pittsburgh. He unearthed a Diplodocus and the most complete Apatosaurus ever discovered. His quarry would eventually become Dinosaur National Monument
- 7. Much of Utah's electricity is produced by burning this to make steam
- 9. a broken surface or crack. Associated with the origins of Utah's mineral resources
- 10. The Great Salt Lake, Utah Lake, and Sevier Lake are all remnants of this ice age lake
- 11. mineral or organic matter deposited by water, air or ice hardened into stone by heat and pressure.
- 13. fuel such as petroleum, coal, or natural gas that has formed from living matter of a previous geologic time
- 14. remaining, leftover, a trace. Utah's largest lakes are left overs of an ice age lake
- 16. The site of Utah's first gold discovery
- 22. pertaining to the remains of living animals or plants.
- 24. pressure from the Pacific Ocean caused the formation of these mountains
- 25. an excavation, usually open to the air, from which building stones or fossils are obtained
- 26. geologic era that began about 65 million years ago, known as the "Age of Mammals"; minerals occur in rock; canyonlands are carved; ice age occurs glaciers cover northern Utah mountains; Lake Bonneville forms and declines; Great Salt Lake forms; humans appear