GEOL final ch. 15
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16 terms
Terms | Definitions |
|---|---|
 Stress | The force per unit are acting on any surface within a solid. -Compression -Tensional -Shearing |
| Elastic | Nonpermanent deformation in which rock returns to its original shape when the stress is released. |
| Plastic | Permanent deformation that results in a change in size and shape through folding or flowing. |
| Dome | Circular upwarped displacement of rocks, oldest rocks in core. |
| Basin | Downwarped, youngest rocks in core. |
| Monocline | A one-limbed flexure in strata. The strata are usually flat lying or very gently dipping on both sides of the monocline. |
| Anticline | Fold in sedimentary strata that resembles and arch. |
| Syncline | A linear downfold in sedimentary strata; the opposite of anticline. |
| Folds | A bent layer or series of layers that were originally horizontal and subsequently deformed, often from under compressional sterss. |
| Dip-Slip Fault | A fault in which the movement is parallel to the dip of the fault. |
| Strike-Slip Fault | A fault along which movement is horizontal. |
| Normal Fault | A fault in which the rock above the fault plane has moved down relative to the rock below. |
| Fault | A break in a rock mass along which movement has occurred. |
| Reverse Fault | Material above the fault plane moves up in relation to the material below. |
| Thrust Fault | A low angle reverse fault. |
| Strata | Paralled layers of sedimentary rock. |
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