Bedrock

[jī yán]

mineral

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Bedrock continental crust surface Weathered layer The following complete New mineral Rocks. after Weathering The original minerals formed under high temperature and pressure are destroyed. A relatively stable new mineral formed under normal temperature and pressure exists under the weathering layer of the continental crust surface, and the bedrock exposed to the surface is called outcrop.

Chinese name: Bedrock
Foreign name: bedrock
Role: Weathering

Source: mineral
Definition: Complete rock under weathered layer
Characteristics: Different burial depths

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one interpretation
two characteristic

interpretation

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Bedrock Weathering After the occurrence, the original minerals formed under high temperature and pressure are destroyed, forming some new minerals that are relatively stable under normal temperature and pressure, forming the surface weathering layer of the continental crust. The complete rock under the weathering layer is called bedrock, and the bedrock exposed to the surface is called outcrop.

characteristic

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Bedrock is a hard rock layer in the surface of land. Generally, it is mostly covered by soil layers, and the burial depth varies from several meters to tens of meters, and hundreds of meters. from sedimentary rock 、 Metamorphic rock 、 Magmatic rock It can be used as the foundation of large construction projects.^[1]

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