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;
12 Cards in this Set
- Front
- Back
- 3rd side (hint)
What happen to rocks that are deeply buried but are not hot enough to melt? |
___ |
|
|
Rocks become? |
Metamorphosed |
|
|
Refers to changes to rocks that take place in the earth's interior |
Metamorphism |
|
|
The transition of one rock into another by ______ and/ or _____ unlike those in w/c it formed. |
Temperature and/ or pressure |
|
|
The changes may be... |
New texture, new mineral assemblages, or both |
|
|
Transformation occurs in the... |
Solid state |
|
|
During metamorphism, the rock must remain... |
essentially solid |
|
|
Metamorphism progresses incrementally from... |
Low-grade to high-grade |
|
|
Low-grade rocks formed under relatively ___(1)____ and High-grade rocks to ___(2)____, whereas medium-grade rocks recrystallized at around the ___(3)____ |
(1) cool temperature (2) high temperature (3) middle of the range of metamorphic temperatures |
|
|
Also known as thermal metamorphism. High temperature is the dominent factor |
Contact metamorphism |
Types of metamorphism |
|
Contact meta take place too far beneath earth' s surface... |
Less than 10km |
|
|
The zone of contact metamorphism, also known an ___(1)___, is usually quite narrow generally from ___(2)___. |
(1) aureole (2) 1 to 100 meters wide |
|