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Sedimentary Rocks: A Deeper Look - Chapter Summary and Learning Objectives
Sedimentary rocks are any rocks that are created by the accumulation of sediment, which could come from biological debris, material that precipitates out of various solutions, or mechanical processes. Some common sedimentary rocks include coal, flint, dolomite, limestone and sandstone. In this chapter, video instructors will describe lithification and other processes that explain the origins of sedimentary rocks. You'll learn about the vocabulary associated with sedimentary rocks. At the end of this chapter, you should be able to:
- Name the three different types of sedimentary rocks and describe their characteristics
- Identify the features of sedimentary rocks, including strata and fossils
- Explain what fossils and other features can tell the observer about the formation of the sedimentary layer
- Differentiate between the three major processes of lithification
|Sediment: Defintion, Types, and Features||Define sediment. Identify three types of sediment: clastic, chemical, and biogenic. Discuss some features, including fossils and layering (strata).|
|Classification of Sedimentary Rocks: Detrital and Chemical||Define and differentiate between detrital (clastic) and chemical sedimentary rocks.|
|Lithification of Sediments: Definition and Processes||Define lithification. Explain the three processes that lead to lithification of sediments (compaction, cementation and recrystallization).|
|Origination of Sedimentary Rock||Explain how features like ripple marks, cracks and fossils can indicate the kind of environment in which a sedimentary rock originated.|
1. Sediment: Definition, Types & Features
Sediment is fragments of past living or non-living materials that have been broken down. There are three types of sediments that can form sedimentary rocks. Learn about clastic, biogenic and chemical sediments and the rocks they form in this lesson.
2. Detrital & Chemical Sedimentary Rocks: Definition & Differences
Detrital or clastic sedimentary rocks are composed of rock fragments. They are different than chemical sedimentary rocks, which are composed of mineral crystals. Learn how these sedimentary rocks differ in their formation and composition.
3. Lithification of Sediments: Definition & Processes
Lithification is the process that turns loose, unconsolidated sediment into solid sedimentary rock. Learn about the three ways lithification is accomplished, including compaction, cementation and recrystallization, in this lesson.
4. Determining the Origin of a Sedimentary Rock
Sedimentary rocks contain features that indicate the kind of environment from which they originated. Learn about sedimentary structures, such as graded bedding, cross-bedding, ripple marks and mud cracks, and how they provide clues to the rocks origin in this lesson.
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Other chapters within the Earth Science 101: Earth Science course
- Earth Science Basics
- Geologic Time
- Characteristics of Matter
- Earth's Spheres and Internal Structure
- Plate Tectonics
- Minerals and Rocks
- Igneous Rocks
- Volcanic Landforms
- Weathering and Erosion
- Metamorphic Rocks: A Deeper Look
- Rock Deformation and Mountain Building
- Water Balance on Earth
- Running Water
- Ground Water
- Coastal Hazards
- Earth's Atmosphere
- Weather, Air Masses & Storms
- Earth History
- Energy Resources
- Studying for Earth Science 101