Economy & Marine Sediments

1. What are some products that came from sediments?
- Building materials for roads and structures
- Toothpaste
- Paint
- Swimming Pool Filters

2. How much of the worlds energy comes from sediments?
- 1/3 of worlds oil and gas reserves comes from deposits within the sediments of continental margins

3. How important is sand and gravel?
- Sand and Gravel valued at more than $510 million

Web Quest Questions
1. In what ways are sediments classified?
- Classified by origin

2. List the four types of marine sediments?
- Lithogenous: Derived from land
- Biogenous: Derived from organisms
- Hydrogenous or Authigenic: Derived from water
- Cosmogenous: Derived from outer space

3. Where are sediments thickest? Are any areas of the ocean floor free of sediments?
- On the continental slopes and rises
- Few areas of ocean bottom are free of a sediment cover

SOURCE: http://earthguide.ucsd.edu/eoc/teachers/t_tectonics/images/sedthicksmall.jpg

SOURCE: http://upload.wikimedia.org/wikipedia/commons/a/a6/X-radiographs_marine-sediment_hg.jpg