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| Has only one side (limb) of a fold. |
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| Fold is over-steepened (past vertical on one limb (side). |
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| Over-steepened fold that has broken (faulted) due to shear. |
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| Axial plane of fold is essential horizontal. |
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| Where a stream course passes through a ridge. |
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| Former water gaps that have been abandoned, usually due to stream capture. |
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| A fracture along which there has been movement. |
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| Fault that results from tension (extension) of the Earth's crust; very often associated with divergent plate boundaries. |
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| Results from compression of the Earth's crust; associated with convergent boundaries. |
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Definition
| Adjacent blocks displaced laterally relative to each other; associated wit transform plate boundaries. |
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| Both horizontal and vertical components of movement, sometimes with rotation. |
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Definition
| Result from compression and one side of fault pushing up over the other; associated with convergent plate boundaries. |
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| A fault on one side of a rock sequence with asymmetrical uplift. |
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Definition
| Uplifted block bounded by normal faults; indicated extension. |
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Definition
| Downthrown block bounded by normal faults; indicates extension. |
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Definition
| Usually refers to a particularly long graben. |
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Definition
| Slow movement along a fault. |
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| Subsurface location of movement along a fault. |
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| Point on the Earth's surface directly above the focus. |
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Definition
| Exponential scale of earthquake intensity. |
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