Chapter 7- Weathering Flashcards
1
Q
Weathering
A
the physical and chemical processes that alter rocks and minerals at the Earths surface
2
Q
Physical Weathering
A
Causes fragmentation of rock. Is aided by rock joints and other types of fractures
3
Q
Chemical Weathering
A
decomposition of minerals in rock.
4
Q
Soil
A
Unconsolidated mineral and organic material constituting the uppermost layer on Earth’s surface.
5
Q
Dissolution
A
Carbonic acid dissolves the mineral calcite, separation of materials into a solution by a solvent, such as water or acid
6
Q
Erosion
A
is the transportation of the weathered material
7
Q
Hydrolysis
A
(cation exchange) of a compound with acidic water cations and their use by free oxygen. Rocks turn red
8
Q
Oxidation
A
loss of electrons by cations and their use by free oxygen. Rocks turn red
