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| Description: Chemical sedimentary rocks Derived from material that was once in solution and precipitates to form sediment Directly precipitated as the result of physical processes, or Through life processes (biochemical origin) Common chemical sedimentary rocks Limestone – the most abundant chemical rock Microcrystalline quartz (precipitated quartz) known as chert, flint, jasper, or agate Evaporites such as rock salt or gypsum Coal – compressed plant material Picture Stats: Views: 304 Filesize: 101.1kB Height: 906 Width: 481 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=39385 |