Lithology 7. The naming of a lithology is based on the rock type. The three major rock types are sedimentary, igneous, metamorphic. Sedimentary rocks are further classified by whether they are siliciclastic or carbonate. Siliciclastic sedimentary rocks are then subcategorized based on their grain size distribution and the relative proportions of quartz, feldspar, and lithic (rock) fragments. Carbonate rocks are classified with the Dunham or Folk classification schemes according to the constituents of the carbonate rock. The name of an igneous rock requires information on crystal size and mineralogy. This classification can often be performed with a QAPF diagram. Metamorphic rock
Ravipops (The Substance) album without the production values." Ravipops (The Substance) Ravipops (The Substance) is a studio album by American rapper C-Rayz Walz. It was released on Definitive Jux in 2003. David Jeffries of AllMusic gave the album 3 stars out of 5, saying: "There's a new producer for practically every track, but the album flows well enough, keeping things more traditional than expected for a Definitive Jux release, and the freestyling ranges from biting to abstract." Meanwhile, Rollie Pemberton of "Pitchfork" gave the album a 6.8 out of 10, saying, "regardless of his anti-platinum rhyme campaign, "Ravipops" still seems to come off