(Table 1) Lithology and total organic carbon at DSDP Hole 61-462
The solvent-extractable lipids of Sections 462-49-4 (lower Maestrichtian), 462-54-2 (Campanian), and 462-59-1 (Cenomanian), from the Nauru Basin, were investigated for aliphatic and aromatic hydrocarbons, ketones, alcohols, and acids, after separation into acid and neutral fractions. Detailed analys...
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| creator | Thomson, I D Brassell, Simon C Comet, P A Eglinton, Geoffrey Isaacson, P J McEvoy, James Maxwell, James R |
| description | The solvent-extractable lipids of Sections 462-49-4 (lower Maestrichtian), 462-54-2 (Campanian), and 462-59-1 (Cenomanian), from the Nauru Basin, were investigated for aliphatic and aromatic hydrocarbons, ketones, alcohols, and acids, after separation into acid and neutral fractions. Detailed analyses of the total neutral fraction revealed only n-alkanes, steranes, and triterpanes present in sufficient concentration (>0.5 ng/100 g dry sediment for individual compounds) for component recognition. N-alkanes (C19-C35) constitute the major component of each section, with the most abundant present as 10 (n-C24), 135 (n-C29), 17 (n-C26) ng/100 g dry sediment in Sections 462-49-4, 462-54-2, and 462-59-1, respectively. The results suggest a high degree of thermal maturity of the lipids, which is interpreted in terms of the high geothermal gradient (about 50°C/km) and the regional volcanicity. The lipid data also suggest that the major source of organic matter was terrestrial and that deposition took place in a low-productivity oxic environment. |
| doi_str_mv | 10.1594/pangaea.819869 |
| format | Dataset |
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Detailed analyses of the total neutral fraction revealed only n-alkanes, steranes, and triterpanes present in sufficient concentration (>0.5 ng/100 g dry sediment for individual compounds) for component recognition. N-alkanes (C19-C35) constitute the major component of each section, with the most abundant present as 10 (n-C24), 135 (n-C29), 17 (n-C26) ng/100 g dry sediment in Sections 462-49-4, 462-54-2, and 462-59-1, respectively. The results suggest a high degree of thermal maturity of the lipids, which is interpreted in terms of the high geothermal gradient (about 50°C/km) and the regional volcanicity. The lipid data also suggest that the major source of organic matter was terrestrial and that deposition took place in a low-productivity oxic environment.</description><identifier>DOI: 10.1594/pangaea.819869</identifier><language>eng</language><publisher>PANGAEA</publisher><subject>AGE ; Carbon, organic, total ; Comment ; Deep Sea Drilling Project (DSDP) ; DEPTH, sediment/rock ; Drilling/drill rig ; DSDP/ODP/IODP sample designation ; Element analyser CHN ; Glomar Challenger ; Leg61 ; Lithology/composition/facies ; Sample code/label ; Sample code/label 2 ; Sample, dry mass ; Stage</subject><creationdate>1981</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0001-8200-2488</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>780,1892</link.rule.ids><linktorsrc>$$Uhttps://commons.datacite.org/doi.org/10.1594/pangaea.819869$$EView_record_in_DataCite.org$$FView_record_in_$$GDataCite.org$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Thomson, I D</creatorcontrib><creatorcontrib>Brassell, Simon C</creatorcontrib><creatorcontrib>Comet, P A</creatorcontrib><creatorcontrib>Eglinton, Geoffrey</creatorcontrib><creatorcontrib>Isaacson, P J</creatorcontrib><creatorcontrib>McEvoy, James</creatorcontrib><creatorcontrib>Maxwell, James R</creatorcontrib><title>(Table 1) Lithology and total organic carbon at DSDP Hole 61-462</title><description>The solvent-extractable lipids of Sections 462-49-4 (lower Maestrichtian), 462-54-2 (Campanian), and 462-59-1 (Cenomanian), from the Nauru Basin, were investigated for aliphatic and aromatic hydrocarbons, ketones, alcohols, and acids, after separation into acid and neutral fractions. Detailed analyses of the total neutral fraction revealed only n-alkanes, steranes, and triterpanes present in sufficient concentration (>0.5 ng/100 g dry sediment for individual compounds) for component recognition. N-alkanes (C19-C35) constitute the major component of each section, with the most abundant present as 10 (n-C24), 135 (n-C29), 17 (n-C26) ng/100 g dry sediment in Sections 462-49-4, 462-54-2, and 462-59-1, respectively. The results suggest a high degree of thermal maturity of the lipids, which is interpreted in terms of the high geothermal gradient (about 50°C/km) and the regional volcanicity. The lipid data also suggest that the major source of organic matter was terrestrial and that deposition took place in a low-productivity oxic environment.</description><subject>AGE</subject><subject>Carbon, organic, total</subject><subject>Comment</subject><subject>Deep Sea Drilling Project (DSDP)</subject><subject>DEPTH, sediment/rock</subject><subject>Drilling/drill rig</subject><subject>DSDP/ODP/IODP sample designation</subject><subject>Element analyser CHN</subject><subject>Glomar Challenger</subject><subject>Leg61</subject><subject>Lithology/composition/facies</subject><subject>Sample code/label</subject><subject>Sample code/label 2</subject><subject>Sample, dry mass</subject><subject>Stage</subject><fulltext>true</fulltext><rsrctype>dataset</rsrctype><creationdate>1981</creationdate><recordtype>dataset</recordtype><sourceid>PQ8</sourceid><recordid>eNqVzrEOgjAYReEuDkZdnf9RBypVJLCZiIbBwUT25gIVm9SW1C68vRp5AaczneRjbCliLvZ5sulhOyjwTORZmk_ZYVWhNorEmi46PJxx3UCwLQUXYMj5DlY31MDXzhICFbfiSqX7LKmIknQ7Z5M7zEstxs4YP5-qYxm1CGh0ULL3-gk_SBHLL0GOBPkj7P4e3lgVPhA</recordid><startdate>1981</startdate><enddate>1981</enddate><creator>Thomson, I D</creator><creator>Brassell, Simon C</creator><creator>Comet, P A</creator><creator>Eglinton, Geoffrey</creator><creator>Isaacson, P J</creator><creator>McEvoy, James</creator><creator>Maxwell, James R</creator><general>PANGAEA</general><scope>DYCCY</scope><scope>PQ8</scope><orcidid>https://orcid.org/0000-0001-8200-2488</orcidid></search><sort><creationdate>1981</creationdate><title>(Table 1) Lithology and total organic carbon at DSDP Hole 61-462</title><author>Thomson, I D ; Brassell, Simon C ; Comet, P A ; Eglinton, Geoffrey ; Isaacson, P J ; McEvoy, James ; Maxwell, James R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-datacite_primary_10_1594_pangaea_8198693</frbrgroupid><rsrctype>datasets</rsrctype><prefilter>datasets</prefilter><language>eng</language><creationdate>1981</creationdate><topic>AGE</topic><topic>Carbon, organic, total</topic><topic>Comment</topic><topic>Deep Sea Drilling Project (DSDP)</topic><topic>DEPTH, sediment/rock</topic><topic>Drilling/drill rig</topic><topic>DSDP/ODP/IODP sample designation</topic><topic>Element analyser CHN</topic><topic>Glomar Challenger</topic><topic>Leg61</topic><topic>Lithology/composition/facies</topic><topic>Sample code/label</topic><topic>Sample code/label 2</topic><topic>Sample, dry mass</topic><topic>Stage</topic><toplevel>online_resources</toplevel><creatorcontrib>Thomson, I D</creatorcontrib><creatorcontrib>Brassell, Simon C</creatorcontrib><creatorcontrib>Comet, P A</creatorcontrib><creatorcontrib>Eglinton, Geoffrey</creatorcontrib><creatorcontrib>Isaacson, P J</creatorcontrib><creatorcontrib>McEvoy, James</creatorcontrib><creatorcontrib>Maxwell, James R</creatorcontrib><collection>DataCite (Open Access)</collection><collection>DataCite</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Thomson, I D</au><au>Brassell, Simon C</au><au>Comet, P A</au><au>Eglinton, Geoffrey</au><au>Isaacson, P J</au><au>McEvoy, James</au><au>Maxwell, James R</au><format>book</format><genre>unknown</genre><ristype>DATA</ristype><title>(Table 1) Lithology and total organic carbon at DSDP Hole 61-462</title><date>1981</date><risdate>1981</risdate><abstract>The solvent-extractable lipids of Sections 462-49-4 (lower Maestrichtian), 462-54-2 (Campanian), and 462-59-1 (Cenomanian), from the Nauru Basin, were investigated for aliphatic and aromatic hydrocarbons, ketones, alcohols, and acids, after separation into acid and neutral fractions. Detailed analyses of the total neutral fraction revealed only n-alkanes, steranes, and triterpanes present in sufficient concentration (>0.5 ng/100 g dry sediment for individual compounds) for component recognition. N-alkanes (C19-C35) constitute the major component of each section, with the most abundant present as 10 (n-C24), 135 (n-C29), 17 (n-C26) ng/100 g dry sediment in Sections 462-49-4, 462-54-2, and 462-59-1, respectively. The results suggest a high degree of thermal maturity of the lipids, which is interpreted in terms of the high geothermal gradient (about 50°C/km) and the regional volcanicity. The lipid data also suggest that the major source of organic matter was terrestrial and that deposition took place in a low-productivity oxic environment.</abstract><pub>PANGAEA</pub><doi>10.1594/pangaea.819869</doi><orcidid>https://orcid.org/0000-0001-8200-2488</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | AGE Carbon, organic, total Comment Deep Sea Drilling Project (DSDP) DEPTH, sediment/rock Drilling/drill rig DSDP/ODP/IODP sample designation Element analyser CHN Glomar Challenger Leg61 Lithology/composition/facies Sample code/label Sample code/label 2 Sample, dry mass Stage |
| title | (Table 1) Lithology and total organic carbon at DSDP Hole 61-462 |
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