Unformatted text preview: They are capable of accelerating each other. • Biotic weathering • The soil profile: Layer Characteristics O Horizon A Horizon (Eluvial) Consists of the most intensively weathered rock material Most exposed to surface processes Contains most of the organic remains Zone of leaching: precipitation infiltrates and dissolve soluble minerals B Horizon (Illuvial) Zone of accumulation: minerals leached from the A Horizon accumulate here Coarse-grained than the A Horizon as it is protected from surface processes C Horizon (Regolith) Consisting of very coarsely broken-up bedrock...
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- Spring '11
- chemical weathering, mechanical weathering