Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
5 Cards in this Set
- Front
- Back
|
Intrusion |
Forcing a body of igneous rock between or through existing formations, without reaching the surface.
|
|
|
Extrusion |
The movement of magma onto the surface of the earth through volcano craters and cracks in the earth's crust, forming igneous rock. |
|
|
Uniformitarianism |
Changes in the earth's crust during geological history have resulted from the action of continuous and uniform processes. |
|
|
Relative Age |
The age of a fossil organism, rock, or geologic feature or event defined relative to other organisms, rocks, or features or events rather than in terms of years. |
|
|
Absolute Age |
|
