ICSE BoardEnglish MediumSTD 9GeographyRocks2 Marks
Question
How are chemically-formed sedimentary rocks formed? Give examples.
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Answer
Chemically formed sedimentary rocks are formed through chemical action of water. Some mineral like limestones and salts are dissolved into the water and after the evaporation of water form a particular type of rock which is formed by the chemical sedimentation of limestones into gypsum and salt into various types of nitrates.
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