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Ch 5.1 Vocabulary
Weathering
| Term | Definition |
|---|---|
| Mechanical Weathering | The physical disintegration of rock, resulting in smaller fragments |
| Frost Wedging | The mechanical breakup of rock caused by the expansion of freezing water in cracks and crevices |
| Talus | An accumulation of rock debris at the base of a cliff |
| Exfoliation | Type of weathering caused by reducing pressure on a rock surface allowing slabs of outer rock to break off in layers |
| Chemical Weathering | the process by which the internal structure of a mineral is altered by the removal and /or addition of elements |