How to Identify the 3 Major Types of Rocks - ThoughtCo
Sedimentary rock, also called stratified rock, is formed over time by wind, rain, and glacial formations. These rocks may be formed by erosion, compression, or dissolution. Sedimentary rock may range from green to gray, or red to brown, depending on iron content and is usually softer than igneous rock.Rocks: Pictures of Igneous, Metamorphic and Sedimentary Rocks,Trap Rock is a name applied to any dark-colored igneous rock used to produce crushed stone. Don*t Go To Jail Rock Collectors must know the rules before removing rocks from public and private property.Three Facts and a Fib- How a Sedimentary Rock is Formed,FACT These rocks (sedimentary) are formed by pieces sand, shells, pebbles, and other fragments of material. How a Sedimentary Rock is Formed! By: Morgan Smithey Three Facts and a Fib Sedimentary rocks are formed when magma (molten rock deep within the earth) cools and hardens.