Asked by gracesion
What material was soil made of before being transformed?
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Answered by
GPT-5 mini
Soil originally comes from "parent material" — mostly rock (bedrock) or unconsolidated mineral deposits that get broken down (regolith). That parent material can be:
- Weathered bedrock (igneous, sedimentary or metamorphic rock), or
- Transported sediments (alluvium, glacial till, wind‑blown loess, colluvium), or
- Organic deposits (peat, marsh deposits) in some soils.
Weathering (physical, chemical and biological) and the addition of organic matter transform that parent material into the soil layers you see.
- Weathered bedrock (igneous, sedimentary or metamorphic rock), or
- Transported sediments (alluvium, glacial till, wind‑blown loess, colluvium), or
- Organic deposits (peat, marsh deposits) in some soils.
Weathering (physical, chemical and biological) and the addition of organic matter transform that parent material into the soil layers you see.
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