Igneous Rocks: P.os, descriptions and facts about intrusive and extrusive igneous Elementary students find lots of rocks that you will not be able to identify..
Home Rocks. Rocks: Igneous, Metamorphic and Sedimentary Rocks hold the history of the earth and the materials that will be used to build its future..Identify the texture type of your rock. There are 7 different texture cl.es for igneous rocks, each with their own unique features. Pegma.ic igneous rocks have very large crystals, more than 1 cm in size..The identification of a bed's lithology is fundamental to all reservoir characterization because the physical and chemical properties of the rock that holds hydrocarbons and/or water affect the response of every tool used to measure formation properties..Rock Identification Chart. Once you've determined what type of rock you've got, look closely at its color and composition. This will help you identify it..