Sources and hydrothermal alteration of organic matter in Quaternary sediments: A synthesis of studies from the Central Gulf of California
dc.contributor.author | Simoneit, Bernd R. T. | en_US |
dc.contributor.author | Summerhayes, Colin P. | en_US |
dc.contributor.author | Meyers, Philip A. | en_US |
dc.date.accessioned | 2006-04-07T19:24:38Z | |
dc.date.available | 2006-04-07T19:24:38Z | |
dc.date.issued | 1986-11 | en_US |
dc.identifier.citation | Simoneit, Bernd R. T., Summerhayes, Colin P., Meyers, Philip A. (1986/11)."Sources and hydrothermal alteration of organic matter in Quaternary sediments: A synthesis of studies from the Central Gulf of California." Marine and Petroleum Geology 3(4): 282-297. <http://hdl.handle.net/2027.42/25993> | en_US |
dc.identifier.uri | http://www.sciencedirect.com/science/article/B6V9Y-4888FC8-57/2/ad0fcbfa069174fa53436ced1f1ef77c | en_US |
dc.identifier.uri | https://hdl.handle.net/2027.42/25993 | |
dc.description.abstract | Deep sea drilling in the Central Gulf of California, a young and active spreading centre, shows that the high heat flow typical of these regions causes extensive alteration of sediment organic matter, especially near sills and above magma chambers where hydrothermal activity is concentrated. Even on the nearby passive margin, where there are no sills, heat flow is moderately high and hydrocarbon generation has begun in immature sequences. Migrating light hydrocarbons are detected especially where hydrothermal activity is concentrated. Thermogenic methane is more widespread, though not in the passive margin bordering the spreading centre. Despite the incidence of hydrocarbon generation and migration, the amounts of hydrocarbons involved are relatively small and apparently do not lead to commercially significant accumulations of petroleum.The organic matter in these sediments is mostly marine because the Gulf of California generally has low runoff from land and highly productive surface waters. Turbidites rich in terrigenous organic material are locally abundant in the mainly pelagic section in the Guaymas Basin. The highest concentrations of organic matter are found in laminated diatomites deposited on the Guaymas passive margin within the oxygen minimum zone. | en_US |
dc.format.extent | 1471974 bytes | |
dc.format.extent | 3118 bytes | |
dc.format.mimetype | application/pdf | |
dc.format.mimetype | text/plain | |
dc.language.iso | en_US | |
dc.publisher | Elsevier | en_US |
dc.title | Sources and hydrothermal alteration of organic matter in Quaternary sediments: A synthesis of studies from the Central Gulf of California | en_US |
dc.type | Article | en_US |
dc.rights.robots | IndexNoFollow | en_US |
dc.subject.hlbsecondlevel | Geology and Earth Sciences | en_US |
dc.subject.hlbtoplevel | Science | en_US |
dc.description.peerreviewed | Peer Reviewed | en_US |
dc.contributor.affiliationum | Oceanography Program, Department of Atmospheric and Oceanic Science, The University of Michigan, Ann Arbor, Michigan 48109, USA | en_US |
dc.contributor.affiliationother | College of Oceanography, Oregon State University, Corvallis, Oregon 97331, USA | en_US |
dc.contributor.affiliationother | The British Petroleum Company, BP Research Centre, Chertsey Road, Sunbury-on-Thames, Middlesex, England | en_US |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/25993/1/0000059.pdf | en_US |
dc.identifier.doi | http://dx.doi.org/10.1016/0264-8172(86)90033-4 | en_US |
dc.identifier.source | Marine and Petroleum Geology | en_US |
dc.owningcollname | Interdisciplinary and Peer-Reviewed |
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