Across
- 3. A comparison of age based on which object (or event) is older or younger than some other object or event.
- 4. Fossil - A widely distributed fossil of a narrow range in time
- 6. cylinders of ice drilled from glaciers and ice sheets
- 9. The law that states in any undisturbed sequence of rocks
Down
- 1. A scientist that studies fossils
- 2. (geologic time) one of several subdivisions of geologic time enabling cross-referencing of rocks and geologic events from place to place
- 5. The process by which rocks are broken down into small grains and soil.
- 6. The entry of molten rock or magma into or between other rock formations
- 7. A division of geologic time marked by distinctive developments and events
- 8. The action of surface processes that remove soil, rock, or dissolved material.