1- What are some products that come from sediments?
Building materials for roads and structures, toothpaste, paint, swimming pool filters.
2- How much of the world's energy comes from sediments?
An estimated 36 % of the world's crude oil and 28 % of its natural gas will be extracted from sedimentary deposits of continental shelves and continental rises. off shore drilling of hydrocarbons currently generates > $125 billion.
3- How important is sand and gravel?
1/3 of world's oil and gas reserve come from deposits within the sediments of continental margins. in addition to oil and gas sand and gravel valued at more than $510 million. this is about 1 % of world needs.
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