It is a rock formed by precipitation of minerals from water (Arizona State University, 2019). As the name implies, chemical sedimentary rocks form due to chemical reactions. These reactions occur within water that is saturated with positively and negatively charged atoms. Such atoms are naturally attracted to each other, and will form ionic and covalent bonds as they crystallize into solid mineral crystals. This process is called precipitation. Precipitation can occur within an ocean, a lake, a cave, or where a hot spring flows out onto Earth's surface (California State University - Long Beach, 2019)
TYPES OF CHEMICAL SEDIMENTARY ROCKS
Evaporites: are chemical sedimentary rocks form as water evaporates from a lake or ocean.
Chemical Limestone: travertine limestone forms in two different ways due to chemical reactions between charged particles called ions.
Tufa: forms where a natural spring flows into a lake
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CHEMICAL SEDIMENTARY ROCK
SEDIMENTARY ROCK
CHEMICAL SEDIMENTARY ROCK
It is a rock formed by precipitation of minerals from water (Arizona State University, 2019). As the name implies, chemical sedimentary rocks form due to chemical reactions. These reactions occur within water that is saturated with positively and negatively charged atoms. Such atoms are naturally attracted to each other, and will form ionic and covalent bonds as they crystallize into solid mineral crystals. This process is called precipitation. Precipitation can occur within an ocean, a lake, a cave, or where a hot spring flows out onto Earth's surface (California State University - Long Beach, 2019)
TYPES OF CHEMICAL SEDIMENTARY ROCKS
REFERENCES:
http://ratw.asu.edu/aboutrocks_chemicalsedimentary.html
https://web.csulb.edu/depts/geology/facultypages/bperry/Sedimentary%20Rocks%20Tour/chemical_sedimentary_rocks.htm