Siliciclastic sedimentary rocks are the most abundant of the sedimentary rock. They are formed from the detritus left over from the weathering of igneous, metamorphic, and older sedimentary rocks.<ref>Klein, C., and A.R. Philpotts, 2013, Earth Materials: Introduction to Mineralogy and Petrology, Cambridge University Press.</ref> | Siliciclastic sedimentary rocks are the most abundant of the sedimentary rock. They are formed from the detritus left over from the weathering of igneous, metamorphic, and older sedimentary rocks.<ref>Klein, C., and A.R. Philpotts, 2013, Earth Materials: Introduction to Mineralogy and Petrology, Cambridge University Press.</ref> |