FINALS KNOW CH15 Flashcards
1
Q
Mechanical weathering
A
physical disintegration of rock without change to its chemical composition (frost wedging, exfoliation, plant roots)
2
Q
Chemical weathering
A
decomposition of rock by chemical alteration of its minerals (oxidation), requires moisture mostly in the tropics
3
Q
Biological weathering
A
weathering processes involving living organisms (like lichens)
4
Q
Differential weather
A
process where same rocks erode at different times
5
Q
Talus
A
rocks that fall in a rockfall
6
Q
Mudflow
A
originates in arid basins following heavy rain
7
Q
Creep
A
gradual downhill movement of soil
