Chapter 8 Process that Affect Rocks At Different Depths
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8 terms
Terms | Definitions |
|---|---|
 Rock Behavior | Rocks can responding to stress by brittle fracture or by flowing like toothpaste |
| Mineral Response | A mineral may become unstable or it may not be affected as temperature and pressure change. |
| Effect of Fluids | Fluids, such as water, can help minerals grow or dissolve and can affect the strength of a rock. |
| Shallow Rock Behavior | At cool, shallow levels of the crust, rocks usually exhibit brittle behavior and fracture. |
| Deep Rock Behavior | At deeper levels, where temperature and pressure are higher, rocks usually respond to stress by flowing as a weak solid, which is called ductile behavior. |
| Shallow Mineral Response | A low temperature, many minerals like the quartz in these cobbles are stable, barely responding to the conditions. |
| Deep Mineral Response | At high temperature and pressure, minerals commonly recrystallize into larger or smaller crystals, or new crystals grow in place of original. |
| Shallow Effect of Fluids | Low-Temperature fluids have little effect on |
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