Across
- 3. Type of fossil useful in relative dating methods
- 6. An unconformity that sits between a layer of igneous/metamorphic rock and a layer of sedimentary rock
- 8. Texture of sedimentary rocks formed by preexisting particles
- 12. Type of radioactive decay where the atomic number increases by one
- 16. Type of fossil that containing actual remains of a once-living being
- 17. The process of matching up geologic features across a distance
- 18. The principle that states older rocks are found at the bottom of a geologic structure, with younger layers at the top
- 19. Proposed the principle of fossil succession, last name
Down
- 1. Lithification of sedimentary rocks where minerals fill in pore spaces
- 2. One of two causes of sea level rise, process describing the movement of continents
- 4. Dating method that uses numerical ages to put geologic events in order
- 5. Founder of geology, proposed the principle of uniformitarianism, last name
- 7. An unconformity that sits between two layers of sedimentary rocks
- 9. Type of radioactive decay where two protons and two neutrons are lost
- 10. One of two causes of sea level rise, frozen bodies of ice
- 11. Dating method that puts geologic events and materials in order based on the position in the rock record
- 13. Description of sedimentary rocks when all particles are of different sizes (2 words)
- 14. One of two principles NOT proposed by Nicolas Steno
- 15. Period of sea level rise, covering a continental interior