{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Ch 4. Geologic Time - Ch 4 Geologic Time Concepts and...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Ch. 4: Geologic Time: Concepts and Principles Key words - Relative Dating - Absolute Dating - Neptunism, Catastrophism, and Uniformitarianism - Radioactive Decay and Half-Lives - Dating Methods Relative Dating Places geologic events in sequential order Relative geologic time scale Fundamental Principles (Steno, Hutton): - Superposition The oldest rocks are always on the bottom, and the youngest rock are always on  top of that C                               Youngest B                                Medium A                               Oldest      - Original horizontality The sedimental rock is place horizontal - Lateral continuity - Cross-cutting relationships - Inclusions 1 ---- ---- ---- ----
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
- Fossil succession Absolute Dating Specific dates for rock units or events (years before present) Radiometric dating
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}