Decomposed granite - WikipediaDecomposed granite, also known as DG, is classification of rock that is derived from granite via . 1 Definition and composition; 2 Uses; 3 See also; 4 References . The parent granite material is a common type of igneous rock that is granular,.is complete decomposite granite is type 3 rock,Granite - WikipediaGranite is a common type of felsic intrusive igneous rock that is granular and phaneritic in .. 2 KAlSi3O8 + 2 H2CO3 + 9 H2O => Al2Si2O5(OH)4 + 4 H4SiO4 + 2 K+ + 2 HCO3− . In this test, all of the 39 full size granite slabs that were measured for the study showed radiation levels well below the European Union safety.
is complete decomposite granite is type 3 rock