Across
- 2. between sedimentary rocks formed on eroded igneous rocks
- 6. found between parallel layers of sedimentary rock
- 7. any feature that cuts partially through or completely across another is younger
- 8. sedimentary rock layers, oldest at the bottom youngest on top
Down
- 1. the type of fossils used in relative dating
- 3. the idea Earth has been shaped by sudden, violent events
- 4. unconformity; rocks below are at an angle to those above
- 5. this principle says sedimentary rock formations formed in horizontal layers
- 9. when a piece of rock is incorporated into another rock