Investigations of Cretaceous and Tertiary kerogens in sediments of ODP Leg 113 holes
Seventy-one samples from nine sites were analyzed for total organic carbon (TOC). Fifty-six samples, containing 0.2% or more TOC, were evaluated by Rock-Eval to assess the nature of their kerogen and its petroleum source potential. Visual kerogen studies were carried out. Petroleum potential was enc...
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1990
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ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.726455 2023-05-15T16:02:40+02:00 Investigations of Cretaceous and Tertiary kerogens in sediments of ODP Leg 113 holes Thompson, Keith F M Dow, W G MEDIAN LATITUDE: -56.471094 * MEDIAN LONGITUDE: -30.577043 * SOUTH-BOUND LATITUDE: -70.832000 * WEST-BOUND LONGITUDE: -84.516200 * NORTH-BOUND LATITUDE: 23.828800 * EAST-BOUND LONGITUDE: 3.100400 * DATE/TIME START: 1980-12-29T00:00:00 * DATE/TIME END: 1987-03-07T13:30:00 1990-08-06 application/zip, 18 datasets https://doi.pangaea.de/10.1594/PANGAEA.726455 https://doi.org/10.1594/PANGAEA.726455 en eng PANGAEA https://doi.pangaea.de/10.1594/PANGAEA.726455 https://doi.org/10.1594/PANGAEA.726455 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess CC-BY Supplement to: Thompson, Keith F M; Dow, W G (1990): Investigation of Cretaceous and Tertiary kerogens in sediments of the Weddell Sea. In: Barker, PF; Kennett, JP; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 113, 189-197, https://doi.org/10.2973/odp.proc.sr.113.164.1990 113-689B 113-689D 113-690C 113-692B 113-693 113-693A 113-693B 113-694C 113-695A 113-696A 113-696B 113-697A 113-697B 77-535 77-540 COMPCORE Composite Core Deep Sea Drilling Project DRILL Drilling/drill rig DSDP Glomar Challenger Gulf of Mexico Gulf of Mexico/BASIN Joides Resolution Leg113 Leg77 Ocean Drilling Program ODP South Atlantic Ocean Weddell Sea Dataset 1990 ftpangaea https://doi.org/10.1594/PANGAEA.726455 https://doi.org/10.2973/odp.proc.sr.113.164.1990 2023-01-20T07:31:28Z Seventy-one samples from nine sites were analyzed for total organic carbon (TOC). Fifty-six samples, containing 0.2% or more TOC, were evaluated by Rock-Eval to assess the nature of their kerogen and its petroleum source potential. Visual kerogen studies were carried out. Petroleum potential was encountered only in Valanginian calcareous claystones at Hole 692B close to the margin of Dronning Maud Land. A section of 44.7 m was penetrated. The unit possesses a revised mean TOC of 9.8% and petroleum potential of 43.2 kg/Mg, relatively high values in comparison to other Cretaceous anoxic oceanic sections and the totality of petroleum source rocks. At Sites 689 and 690, extremely low TOC levels, mean 0.07%, preclude kerogen analysis. Kerogens in Eocene to Pliocene sediments of the central and western Weddell Sea (Sites 694, 695, 696, and 697) are similar everywhere, largely comprising brown to black, granular, amorphous material of high rank, and generally possessing several reflectance populations of vitrinite particles. The latter are interpreted as indicative of the recycling of sediments of a variety of levels of thermal maturity. Dataset Dronning Maud Land South Atlantic Ocean Weddell Sea PANGAEA - Data Publisher for Earth & Environmental Science Weddell Sea Dronning Maud Land Weddell ENVELOPE(-84.516200,3.100400,23.828800,-70.832000) |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
113-689B 113-689D 113-690C 113-692B 113-693 113-693A 113-693B 113-694C 113-695A 113-696A 113-696B 113-697A 113-697B 77-535 77-540 COMPCORE Composite Core Deep Sea Drilling Project DRILL Drilling/drill rig DSDP Glomar Challenger Gulf of Mexico Gulf of Mexico/BASIN Joides Resolution Leg113 Leg77 Ocean Drilling Program ODP South Atlantic Ocean Weddell Sea |
spellingShingle |
113-689B 113-689D 113-690C 113-692B 113-693 113-693A 113-693B 113-694C 113-695A 113-696A 113-696B 113-697A 113-697B 77-535 77-540 COMPCORE Composite Core Deep Sea Drilling Project DRILL Drilling/drill rig DSDP Glomar Challenger Gulf of Mexico Gulf of Mexico/BASIN Joides Resolution Leg113 Leg77 Ocean Drilling Program ODP South Atlantic Ocean Weddell Sea Thompson, Keith F M Dow, W G Investigations of Cretaceous and Tertiary kerogens in sediments of ODP Leg 113 holes |
topic_facet |
113-689B 113-689D 113-690C 113-692B 113-693 113-693A 113-693B 113-694C 113-695A 113-696A 113-696B 113-697A 113-697B 77-535 77-540 COMPCORE Composite Core Deep Sea Drilling Project DRILL Drilling/drill rig DSDP Glomar Challenger Gulf of Mexico Gulf of Mexico/BASIN Joides Resolution Leg113 Leg77 Ocean Drilling Program ODP South Atlantic Ocean Weddell Sea |
description |
Seventy-one samples from nine sites were analyzed for total organic carbon (TOC). Fifty-six samples, containing 0.2% or more TOC, were evaluated by Rock-Eval to assess the nature of their kerogen and its petroleum source potential. Visual kerogen studies were carried out. Petroleum potential was encountered only in Valanginian calcareous claystones at Hole 692B close to the margin of Dronning Maud Land. A section of 44.7 m was penetrated. The unit possesses a revised mean TOC of 9.8% and petroleum potential of 43.2 kg/Mg, relatively high values in comparison to other Cretaceous anoxic oceanic sections and the totality of petroleum source rocks. At Sites 689 and 690, extremely low TOC levels, mean 0.07%, preclude kerogen analysis. Kerogens in Eocene to Pliocene sediments of the central and western Weddell Sea (Sites 694, 695, 696, and 697) are similar everywhere, largely comprising brown to black, granular, amorphous material of high rank, and generally possessing several reflectance populations of vitrinite particles. The latter are interpreted as indicative of the recycling of sediments of a variety of levels of thermal maturity. |
format |
Dataset |
author |
Thompson, Keith F M Dow, W G |
author_facet |
Thompson, Keith F M Dow, W G |
author_sort |
Thompson, Keith F M |
title |
Investigations of Cretaceous and Tertiary kerogens in sediments of ODP Leg 113 holes |
title_short |
Investigations of Cretaceous and Tertiary kerogens in sediments of ODP Leg 113 holes |
title_full |
Investigations of Cretaceous and Tertiary kerogens in sediments of ODP Leg 113 holes |
title_fullStr |
Investigations of Cretaceous and Tertiary kerogens in sediments of ODP Leg 113 holes |
title_full_unstemmed |
Investigations of Cretaceous and Tertiary kerogens in sediments of ODP Leg 113 holes |
title_sort |
investigations of cretaceous and tertiary kerogens in sediments of odp leg 113 holes |
publisher |
PANGAEA |
publishDate |
1990 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.726455 https://doi.org/10.1594/PANGAEA.726455 |
op_coverage |
MEDIAN LATITUDE: -56.471094 * MEDIAN LONGITUDE: -30.577043 * SOUTH-BOUND LATITUDE: -70.832000 * WEST-BOUND LONGITUDE: -84.516200 * NORTH-BOUND LATITUDE: 23.828800 * EAST-BOUND LONGITUDE: 3.100400 * DATE/TIME START: 1980-12-29T00:00:00 * DATE/TIME END: 1987-03-07T13:30:00 |
long_lat |
ENVELOPE(-84.516200,3.100400,23.828800,-70.832000) |
geographic |
Weddell Sea Dronning Maud Land Weddell |
geographic_facet |
Weddell Sea Dronning Maud Land Weddell |
genre |
Dronning Maud Land South Atlantic Ocean Weddell Sea |
genre_facet |
Dronning Maud Land South Atlantic Ocean Weddell Sea |
op_source |
Supplement to: Thompson, Keith F M; Dow, W G (1990): Investigation of Cretaceous and Tertiary kerogens in sediments of the Weddell Sea. In: Barker, PF; Kennett, JP; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 113, 189-197, https://doi.org/10.2973/odp.proc.sr.113.164.1990 |
op_relation |
https://doi.pangaea.de/10.1594/PANGAEA.726455 https://doi.org/10.1594/PANGAEA.726455 |
op_rights |
CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1594/PANGAEA.726455 https://doi.org/10.2973/odp.proc.sr.113.164.1990 |
_version_ |
1766398334685151232 |