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- Dictionarychemical weathering
noun
- 1. the erosion or disintegration of rocks, building materials, etc., caused by chemical reactions (chiefly with water and substances dissolved in it) rather than by mechanical processes.
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Feb 18, 2019 · Chemical weathering alters the composition of the rock material toward surface minerals, such as clays. It attacks minerals that are relatively unstable in surface conditions, such as the primary minerals of igneous rocks like basalt, granite or peridotite.
- Andrew Alden
Chemical weathering. Rainwater and seawater can be a weak acid. If a coastline is made up of rocks such as limestone or chalk, over time they can become dissolved by the acid in the...
Chemical weathering pertains to the changes in rock structure under the action or influence of chemical reactions. There are hundreds of natural chemical processes and reactions within the rocks the change the composition and the structure of the rocks over time.
Chemical weathering is the process of transforming a rock’s composition through chemical reactions. The 3 main processes of chemical weathering are: Dissolution; Hydrolysis; Oxidation; Water plays a key role in each of these chemical reactions. We see chemical weathering everywhere.
Chemical weathering is the main process that drives the carbonate-silicate geochemical cycle. Figure 2 shows how this cycle controls the long term transformation of silicate rocks into carbonate rocks over geologic time.
Apr 24, 2024 · Chemical weathering results from chemical changes to minerals that become unstable when they are exposed to surface conditions. The kinds of changes that take place are highly specific to the mineral and the environmental conditions.
Aug 1, 2024 · Chemical weathering is caused by rocks undergoing chemical reactions to form new minerals. Water, acids, and oxygen are just a few of the chemicals that lead to geological change (weathering). Over time, chemical weathering can produce dramatic results.
