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15 Cards in this Set

  • Front
  • Back
A falling rock breaking into smaller pieces is an example of:
Mechanical weathering
Limestone dissolving in rainwater is an example of:
Chemical weathering
Chemical weathering cannot occur without------ being present.
Chemical weathering proceeds most slowly in a ------- and ------ climate

What minerals weather fastest, the early formed minerals or the later formed minerals?
What rock-forming mineral is most stable?
Which soil horizon contains organic matter?
A Top soil
Which of the five soil forming factors is most important in determining the properties of a soil?
Caliche is a soil layer rich in:
Calciam carbonate
Laterites are soils that have a ------ color
Define weathering:
The response of earth materials to conditions on the surface of the earth.

Minerals will weather if they are not in equilibrium with the low temperature, low pressure conditions of the surface of teh earth.
The two main types of weathering are:
Mechanical weathering

Chemical weathering
Define mechanical weathering:
The physical disintegration of rock into smallwer pieces
Define chemical weathering:
The decomposition of rock resulting from exposure to water and atmospheric gases.
List three important mechanical weathering processes:
Falling rocks

Root wedging

Frost wedging