PPT-Sedimentary Rocks

Chemical Sedimentary Rocks Limestone Chert Silica Evaporites Organic Rocks Coal Oil and natural gas Clastic Sedimentary Rocks Formed from clasts bits and pieces of preexisting rocks transported depositedand lithified. http://www.beg.utexas.edu/mainweb/publications/graphics/granite.htm. http://en.wikipedia.org/wiki/File:USDA_Mineral_Sandstone_93c3955.jpg. http://www.gccaz.edu/earthsci/imagearchive/gneiss.htm. Remember the. Sedimentary rocks cover ~ 75% of Earth’s surface. ~ 5 % (by volume) of Earth’s outer 10 miles. Contain evidence of past environments:. Important resource. Coal, oil, and other fossil fuels. Groundwater resources. (pages 102–106). 1. Describe how sedimentary rocks form.. 2. List and describe the three major types of sedimentary rocks.. Objectives. write these down!. Sediment. Erosion. Deposition. C. ompaction. UNIT . 5. What are Sediments. Sediments are loose Earth materials (unconsolidated materials) such as sand . which are . transported by the action of water, wind, glacial ice and . gravity.. These . materials are . How do chemical sedimentary rocks form?. What are biochemical sedimentary rocks?. Copyright © McGraw-Hill Education. Types of Sedimentary Rocks. Review. saturated. New. clastic . sedimentary rock. clastic. Color . Texture. Light. Dark. Fine. Coarse . Igneous rocks are classified according to their. . origin. , . texture. , and . mineral composition. .. Origin . D. id it harden inside the earth or on the earth’s surface?. What You Will Learn. Describe the origin of sedimentary rock. . Describe the three main categories of sedimentary rock. . Describe three types of sedimentary structures. . Where does Sand come from?. Rocks are classified by how they are formed, their composition, and texture. Rocks change over time through the rock cycle. TYPES OF ROCKS. ROCKS ARE DIVIDED INTO THREE GROUPS BASED ON HOW THE ROCKS . Sedimentary rocks form in 1 of 3 ways:. 1. . Clastic. Sedimentary Rocks- made of pieces and grains of other rocks. Material such as . sand . or . mud. -usually deposited in . water. Conglomerate sandstone. What are Sediments. Sediments are loose Earth materials (unconsolidated materials) such as sand . which are . transported by the action of water, wind, glacial ice and . gravity.. These . materials are . . Chemical Sedimentary Rocks. In contrast to detrital rocks, which form from the solid products of weathering, . chemical sediments . derive from ions that are carried in solution to lakes and seas. . A rock is a natural substance that is made up of solid crystals of different minerals that have been fused together into a solid lump. . Rocks can be classified by their attributes: . Texture. Hardness. SEDIMENTARY ROCKS. Geo 281: geology for engineers. Geology and Geophysics Department. King Saud University. What are Sediments. Sediments are loose Earth materials (unconsolidated materials) such as sand . Do Now. 1.  What is an igneous rock?. 2. How do sedimentary rocks form?. Sedimentary Rocks -. are one of the three main rock types . A sedimentary rock can form one of three ways: . by the . deposition.