Regolith comprises which horizons of the soil profile?

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Study for the ASBOG 1 Geology Exam. Use flashcards and multiple choice questions for effective preparation. Each question includes hints and detailed explanations for better understanding. Prepare confidently for your exam!

Multiple Choice

Regolith comprises which horizons of the soil profile?

Explanation:
Regolith is all loose material that sits on top of solid bedrock. This includes the organic surface layer and the mineral horizons that have formed or been weathered above the bedrock. So the horizons involved are the organic surface layer (O), the mineral topsoil (A), the subsoil (B), and the weathered portion of the parent material (C). The bedrock horizon (R) lies below and is not part of regolith. The option listing O, A, B, and C aligns with this definition.

Regolith is all loose material that sits on top of solid bedrock. This includes the organic surface layer and the mineral horizons that have formed or been weathered above the bedrock. So the horizons involved are the organic surface layer (O), the mineral topsoil (A), the subsoil (B), and the weathered portion of the parent material (C). The bedrock horizon (R) lies below and is not part of regolith. The option listing O, A, B, and C aligns with this definition.

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