Earth science is an all-embracing term for the eclectic sciences related to the planet Earth. It is arguably a special case in planetary science, the Earth being the only known life-bearing planet. There are both reductionist and holistic approaches to Earth sciences. The formal discipline of Earth sciences may include the study of the atmosphere, hydrosphere, oceans and biosphere, as well as the solid earth.
4.5 What are Oil Sands vs. Oil Shales? Petroleum Geology Oil sands, also called tar sands, are usually mixtures of clay and sand combined with water and varying amounts of a black, highly viscous tar known as bitumen. The term …
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4.3 Petroleum Geology: How Does Oil Form? Formation of Oil and Natural Gas Petroleum and natural gas are found in similar environments and frequently occur together. These hydrocarbons consist of various compounds consisting of hydrogen and carbon, mixed together. They …
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4.4 Petroleum Geology: How is Oil Trapped Underground? How are Oil Traps Formed? A geologic environment that allows for economically significant amounts of oil and gas to accumulate underground is termed an oil trap. Several geologic structures may act as …
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4.2 What is Clean Coal? Coal is Solar Energy Stored by Plants Millions of Years Ago. We now have the Technology to “Clean” It. Unless large new petroleum reserves are discovered, a greater share of our future needs will have …
Geology 4.1: Renewable Resources and Non-Renewable Resources Materials that we extract from Earth are the basis of modern civilization. Mineral and energy resources from the crust are the raw materials from which the products used by society are made. Like …
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