Characterization of insoluble organic matter in sediments at DSDP Site 87-582


Autoria(s): Machihara, Tsutomu
Cobertura

MEDIAN LATITUDE: 31.775100 * MEDIAN LONGITUDE: 133.913550 * SOUTH-BOUND LATITUDE: 31.775000 * WEST-BOUND LONGITUDE: 133.913300 * NORTH-BOUND LATITUDE: 31.775200 * EAST-BOUND LONGITUDE: 133.913800 * DATE/TIME START: 1982-06-28T00:00:00 * DATE/TIME END: 1982-06-28T00:00:00

Data(s)

15/11/1986

Resumo

Lipids, humic acids, and kerogens were isolated from Site 582 sediment cores. The amount of each organic fraction in the samples taken from 5.6 to 694 m sub-bottom is almost unrelated to depth of the sample. A study of the oxidation of organic matter by the alkaline KMnO4 method reveals that distribution of polymethylene chain lengths of the kerogens and humic acids in the marine sediments differ from those in lacustrine sediments. The order of abundance of these chains in the sediments is: kerogens, 52-66% of total methylene chains; humic acids, 25-33%; and lipids, 8-16%. The results suggest that polyunsaturated fatty acids (>=4 double bonds) may be important in the formation of polymethylene chains of kerogens and humic acids in marine sediments.

Formato

application/zip, 4 datasets

Identificador

https://doi.pangaea.de/10.1594/PANGAEA.802083

doi:10.1594/PANGAEA.802083

Idioma(s)

en

Publicador

PANGAEA

Direitos

CC-BY: Creative Commons Attribution 3.0 Unported

Access constraints: unrestricted

Fonte

Supplement to: Machihara, Tsutomu (1986): Characterization of insoluble organic matter in sediments from the Nankai Trough, Deep Sea Drilling Project Leg 87A. In: Kagami, H; Karig, DE; Coulbourn, WT; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Govt. Printing Office), 87, 891-896, doi:10.2973/dsdp.proc.87.135.1986

Palavras-Chave #Ash; Ash-free basis; Atomic; Carbon, organic, total; Carbon, total; comp; Compounds; d13C; Deep Sea Drilling Project; delta 13C; Depth; DEPTH, sediment/rock; DSDP; Element analyser CHN; Event; H; H/C; Hum ac; Hum ac/TOC; Humic acid; Humic acid per unit mass of total organic carbon; Humic acids; Hydrogen; Hydrogen/Carbon ratio; In sediment; Kerogen; Kerogen/TOC; Kerogen per unit mass of total organic carbon; Label; Lipids; Lipids, total; Lipids/TOC; Lipids per unit mass of total organic carbon; Lipids tot; Mass spectrometer Varian MAT 250; N/C; Nitrogen, total; Nitrogen/Carbon ratio; O; O/C; ODP sample designation; Organic degradation products; Oxygen; Oxygen/Carbon ratio; Sample code/label; see reference(s); TC; TN; TOC
Tipo

Dataset