The R horizon refers to unweathered bedrock that lies beneath all other layers of soil. It consists of solid rock that has not undergone any significant weathering or decomposition.
Imagine the R horizon as a "bedrock fortress" deep underground. Just like a fortress provides a solid foundation for everything built on top, the R horizon serves as a stable base for all other layers of soil.
Weathering: The process by which rocks are broken down into smaller particles by physical, chemical, or biological means.
Erosion: The movement and transportation of weathered materials (such as rocks, sediments, or soils) by wind, water, ice, or gravity.
Sedimentation: The deposition or accumulation of eroded materials (such as sand, silt, or clay) in new locations.
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