Natural Gas

A combustible, gaseous mixture of low-molecular weight PARAFFIN hydrocarbons, generated below the surface of the earth. It contains mostly METHANE and ETHANE with small amounts of PROPANE; BUTANES; and higher hydrocarbons, and sometimes NITROGEN; CARBON DIOXIDE; HYDROGEN SULFIDE; and HELIUM. (from McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)

Year introduced: 2012

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Tree Number(s): D20.345.369, N06.230.132.258.369

MeSH Unique ID: D059206

Entry Terms:

• Shale Gas
• Gas, Shale
• Gas, Natural

Previous Indexing:

• Fossil Fuels (1966-2011)

See Also:

• Oil and Gas Fields

All MeSH Categories
Chemicals and Drugs Category
Complex Mixtures
Fossil Fuels
Natural Gas

All MeSH Categories
Health Care Category
Environment and Public Health
Environment
Energy-Generating Resources
Fossil Fuels
Natural Gas