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Abiogenic petroleum origin - Comparison of theories | | Abiogenic petroleum origin - Comparison of theories: Encyclopedia II - Abiogenic petroleum origin - Comparison of theories | | There are two theories about the origin of carbon fuels: the biogenic theory and the abiogenic theory. These theories have been intensely debated since the 1860s, shortly after the discovery of widespread petroleum deposits. The following sections highlight the main differences between the two theories.
Abiogenic petroleum origin - Raw material.
Biogenic: remnants of buried plant and animal life.
Abiogenic: deep carb ...
See also:Abiogenic petroleum origin, Abiogenic petroleum origin - Comparison of theories, Abiogenic petroleum origin - Raw material, Abiogenic petroleum origin - Events before conversion, Abiogenic petroleum origin - Conversion to petroleum and methane, Abiogenic petroleum origin - Formation of coal, Abiogenic petroleum origin - Evidence supporting abiogenic theory, Abiogenic petroleum origin - Supergiant oil fields, Abiogenic petroleum origin - Extraterrestrial methane, Abiogenic petroleum origin - Existence of hydrocarbon deposits, Abiogenic petroleum origin - Methane on Earth, Abiogenic petroleum origin - Cold planetary formation, Abiogenic petroleum origin - Unusual deposits, Abiogenic petroleum origin - Deep microbes, Abiogenic petroleum origin - Helium, Abiogenic petroleum origin - Trace metals, Abiogenic petroleum origin - Diamondoids, Abiogenic petroleum origin - Hydrogen, Abiogenic petroleum origin - Thermodynamics, Abiogenic petroleum origin - Biology, Abiogenic petroleum origin - Serpentinization and chemical synthesis of oil, Abiogenic petroleum origin - Deep structures and petroleum association, Abiogenic petroleum origin - Why is oil frequently found in sedimentary basins?, Abiogenic petroleum origin - Ambiguous results, Abiogenic petroleum origin - Biomarkers or Chemofossils, Abiogenic petroleum origin - Deep hot carbon sources, Abiogenic petroleum origin - Evidence supporting biogenic theory, Abiogenic petroleum origin - Unusual deposits, Abiogenic petroleum origin - Biomarkers, Abiogenic petroleum origin - Petroleum origin peak oil and politics, Abiogenic petroleum origin - The future of the abiogenic theory | | | Abiogenic petroleum origin, Abiogenic petroleum origin - Ambiguous results, Abiogenic petroleum origin - Biology, Abiogenic petroleum origin - Biomarkers, Abiogenic petroleum origin - Biomarkers or Chemofossils, Abiogenic petroleum origin - Cold planetary formation, Abiogenic petroleum origin - Comparison of theories, Abiogenic petroleum origin - Conversion to petroleum and methane, Abiogenic petroleum origin - Deep hot carbon sources, Abiogenic petroleum origin - Deep microbes, Abiogenic petroleum origin - Deep structures and petroleum association, Abiogenic petroleum origin - Diamondoids, Abiogenic petroleum origin - Events before conversion, Abiogenic petroleum origin - Evidence supporting abiogenic theory, Abiogenic petroleum origin - Evidence supporting biogenic theory, Abiogenic petroleum origin - Existence of hydrocarbon deposits, Abiogenic petroleum origin - Extraterrestrial methane, Abiogenic petroleum origin - Formation of coal, Abiogenic petroleum origin - Helium, Abiogenic petroleum origin - Hydrogen, Abiogenic petroleum origin - Methane on Earth, Abiogenic petroleum origin - Petroleum origin peak oil and politics, Abiogenic petroleum origin - Raw material, Abiogenic petroleum origin - Serpentinization and chemical synthesis of oil, Abiogenic petroleum origin - Supergiant oil fields, Abiogenic petroleum origin - The future of the abiogenic theory, Abiogenic petroleum origin - Thermodynamics, Abiogenic petroleum origin - Trace metals, Abiogenic petroleum origin - Unusual deposits, Abiogenic petroleum origin - Why is oil frequently found in sedimentary basins?, Fischer-Tropsch process, Petroleum, Peak oil, Mineral fuel, also known as Fossil fuel, Thomas Gold, Nikolai Alexandrovitch Kudryavtsev | | |
| | | Abiogenic petroleum origin: Encyclopedia II - Abiogenic petroleum origin - Comparison of theories
Abiogenic petroleum origin - Comparison of theories
There are two theories about the origin of carbon fuels: the biogenic theory and the abiogenic theory. These theories have been intensely debated since the 1860s, shortly after the discovery of widespread petroleum deposits. The following sections highlight the main differences between the two theories.
Abiogenic petroleum origin - Raw material
- Biogenic: remnants of buried plant and animal life.
- Abiogenic: deep carbon deposits from when the planet formed or subducted material.
Abiogenic petroleum origin - Events before conversion
- Biogenic: Organic matter consisting of dead plants and animals is deposited and buried. Accumulating sediments compress the material over geologic time scales. At a depth of several hundred meters, heat and pressure convert it to bitumens and kerogens.
- Abiogenic: At depths of hundreds of kilometers, carbon deposits are a mixture of hydrocarbon molecules which migrate upward through the crust. Much of the material becomes methane.
Abiogenic petroleum origin - Conversion to petroleum and methane
- Biogenic: Time and temperature crack kerogens into the hydrocarbons that comprise petroleum in a process called catagenesis.
- Abiogenic:
- When the material passes through temperatures at which extremophile microbes can survive some of it will be consumed and converted to heavier hydrocarbons.
- Another formulation of abiogenic origin theory sees microbial life strictly as a contaminant, unnecessary to account for any "biomarkers" supposedly supporting biogenic origins.[4] The full suite of hydrocarbons found in petroleum is generated at depth by abiogenic processes,[5] and therefore shallow petroleum deposits represent the simple displacement of those hydrocarbons from their formation environment.
Abiogenic petroleum origin - Formation of coal
- Biogenic: Coal is buried and compressed organic material. Hydrocarbons are formed from plant lipids, leaf waxes, and dehydrogenation of cellulose to form short-chain hydrocarbons. Coal can be used to produce crude oil via the Fischer-Tropsch process and natural analogs are possible.
- Abiogenic: Coal is organic material which may be filled with hydrocarbons which seeped into the deposit. This can happen on the surface, such as in a swamp with methane and petroleum seeps.
Other related archives1860s, 1950s, 19th century, 2004, AAPG, ASPO, Alaska, Alberta, Canada, American Association of Petroleum Geologists, Apennines, Archaea, Ariel, Athabasca Tar Sands, Barbados, CIS, Calgary, Alberta, California, Cambrian, Carbonatites, Cassini spacecraft, Cassini-Huygens, Coal, Cold War, Comet Halley, Comet Hyakutake, Conspiracist, Cretaceous, Dmitri Mendeleev, Emmanuil B. Chekaliuk, Extremophile, Fischer-Tropsch process, Fischer-Tropsch synthesis, Fossil fuel, Georgi E. Boyko, Germany, Ghawar, Grygori N. Dolenko, Hopanoids, Hubbert's, Hydrothermal vents, Iapetus, Idaho, Indonesia, Interstellar gas, Iron, Italy, Joe Vialls, June 2005, Jupiter, Kansas, Kazakhstan, LNG, Lake Baikal, Lost City, Louis Pasteur, Malthusian, Marcellin Berthelot, Mars, Methane, Methanopyrus, Mineral fuel, Miranda, Moon, Morocco, Mount Marapi, Neptune, Nickel, Nikolai Alexandrovitch Kudryavtsev, Nikolai Kudryavtsev, Nobel Laureate, Oberon, Olefins, Orgueil meteorite, Pangaea, Peak Oil, Peak oil, Persian Gulf, Petr N. Kropotkin, Petroleum, Photosynthesis, Pluto, Robert Robinson, Russia, Russian, Saturn, Saudi Arabia, Second Law of Thermodynamics, South Africa, Soviet Union, Sumatra, Sweden, Thomas Gold, Titan, Titania, Triassic Period, Trinidad and Tobago, Triton, U.S. Geological Survey, USGS, Ukraine, Ukrainian, Umbriel, United States, University of Massachusetts, University of Minnesota, Uranus, Venezuela, Victor F. Linetsky, Vietnam, Vladimir B. Porfir'ev, World War II, Wyoming, Yellowstone National Park, alcohols, aldehydes, alkanes, archaeobacteria, aromatics, arsenic, atmosphere, autotrophs, bacteria, basement, biological, biomarkers, bitumens, boron, bromine, buoyancy, cadmium, calcium carbonate, carbon, carbon dioxide, carbon monoxide, carbonaceous chondrite, carbonate, catagenesis, chelating, chemical reactions, chirality, chlorins, chlorophyll, cholesterol, chondrite, chromium, confirmation bias, cornucopian, cosmic dust, covalent bond, crust, diamond, diamondoids, diesel, dolomite, ecology, environmentalists, ethane, evolution, extraterrestrial biology, extremophile, faulting, ferns, fossil fuel, geologists, global warming, gneiss, granite, granulite, greenhouse gas, helium, heme, horst, hydrocarbons, hydrothermal vents, igneous, igneous rocks, impact craters, iodine, kerogens, ketones, kimberlite, lead, lichens, limestones, magma, mantle, mercury, meteorites, methane, methanogens, microbes, microbial life, mud volcanoes, n-alkane, n-alkanes, nuclear power, oceanic ridges, ophiolite, optical activity, peak oil, peats, pentane, peridotite, peridotites, petroleum, plate boundaries, polarization, porphyrins, precursors, prokaryotes, propane, renewable energy, sedimentary rocks, serpentinization, shale, shales, solar system, stereochemistry, stranded gas reserves, subducted, tar sands, terpenes, terpenoids, thermophiles, ultramafic, uranium, vanadium, volcanoes, zircon
 Adapted from the Wikipedia article "Comparison of theories", under the G.N U Free Docmentation License. Please also see http://en.wikipedia.org/wiki |
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