About This Chapter
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Anyone who needs help learning or mastering college physical geology material will benefit from taking this course. You will be able to grasp the subject matter faster, retain critical knowledge longer and earn better grades. You're in the right place if you:
- Have fallen behind in understanding features and origins of sedimentary rocks.
- Need an efficient way to learn about sedimentary rocks in geology.
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- Start at the beginning, or identify the topics that you need help with.
- Watch and learn from fun videos, reviewing as needed.
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- Test your understanding of each lesson with short quizzes.
- Submit questions to one of our instructors for personalized support if you need extra help.
- Verify you're ready by completing the Sedimentary Rocks in Geology chapter exam.
Why it works:
- Study Efficiently: Skip what you know, review what you don't.
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Students will review:
In this chapter, you'll learn the answers to questions including:
- What are the three groups of sediment?
- What are some of the unique features of sedimentary rocks?
- In what ways do chemical rocks differ from detrital rocks?
- What causes the lithification of sediments?
- What methods are used to find the origin of sedimentary rocks?
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.
5. Shale Rock: Formation, Uses & Facts
Learn about shale, a sedimentary rock formed from clay minerals. Discover how it forms and its uses, including its application as an energy resource and a source of many of the world's fossils.
6. Alluvium: Definition & Overview
You have almost certainly seen alluvium before, but perhaps you didn't know the name for it. Here you will learn what alluvium is, where you find it, and how it got there.
7. Angular Unconformity: Definition & Formation
Angular unconformities are one of the types of unconformities, or missing strata, in the geologic record. In this lesson we will learn how angular unconformities are produced and how to spot them.
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Other chapters within the Introduction to Physical Geology: Help and Review course
- Introduction to Geology: Help and Review
- Earth Materials: Help and Review
- Mineral Types, Properties, and Uses: Help and Review
- Earth and Celestial Rocks: Help and Review
- Igneous Rocks in Geology: Help and Review
- Metamorphic Rocks in Geology: Help and Review
- Rock Deformation, Geological Folds & Faults: Help and Review
- Weathering, Soil & Erosion: Help and Review
- Running Water in Geology: Help and Review
- Ground Water in Geology: Help and Review
- Glaciers in Geology: Help and Review
- Oceans in Geology: Help and Review
- Deserts and Wind: Help and Review
- Water Balance in Geology: Help and Review
- The Universe: Help and Review
- Geologic Time & Radiometric Dating: Help and Review
- Earth's Spheres, Surface & Structure: Help and Review
- Atmospheric Sciences: Help and Review
- Earthquakes in Geology: Help and Review
- Plate Tectonics in Geology: Help and Review
- Energy Resources in Geology: Help and Review
- Renewable & Nonrenewable Resources: Help and Review
- Economic Geology & Mineral Resources: Help and Review
- Human Impact on the Earth & Environment: Help and Review
- Environmental Sustainability in Physical Geology: Help and Review
- Environmental Risk Analysis in Physical Geology: Help and Review
- Ethics, Politics & the Environment: Help and Review