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15 terms

Weathering, Soil, and Mass Wasting

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chemical weathering
Whenever the characteristics and internal structures of weathered minerals have been altered, they have undergone ?
carbon dioxide
The atmospheric gas that forms a mild acid when dissolved in water.
residual
Soils resting on the bedrock from which they formed.
oxidation
NOT associated with mechanical weathering.
regolith
The layer of weathered rock and mineral fragments that covers much of Earth's surface.
water
The most important agent of chemical weathering.
slump
When a mass of material moves down slope along a curved surface.
oxidation
Produces a yellow to reddish-brown surface on iron-rich minerals.
unloading
Is responsible for the formation of exfoliation domes.
particle sizes
A soil's texture is determined by its ?
o
In a well-developed soil profile the ? horizon is the topmost layer.
talus slope
The accumulation of rock fragments found at the base of many cliffs.
thermal expansion
The least effective form of mechanical weathering.
leaching
The removal of soluble materials from soil by percolating water.
creep
The most widespread form of mass wasting.