2. CARBON, HYDROGEN, AND OXYGEN ISOTOPE DISTRIBUTION IN THE INTERSTITIAL FLUIDS OF ODP LEG 104, HOLES 642B, 642D, 643A, AND 644A, VORING PLATEAU, NORWEGIAN SEA
ABSTRACT Carbon, hydrogen, and oxygen isotope ratios determined on 32 squeezed interstitial fluid samples show remarkable variations with depth. For the most part these variations are related to diagenetic and alteration reactions taking place in the sediments, and in the underlying basalts. 5 13 CE...
Main Authors: | , , |
---|---|
Other Authors: | |
Format: | Text |
Language: | English |
Published: |
1989
|
Subjects: | |
Online Access: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.1087.8776 http://www-odp.tamu.edu/publications/104_SR/VOLUME/CHAPTERS/sr104_12.pdf |
id |
ftciteseerx:oai:CiteSeerX.psu:10.1.1.1087.8776 |
---|---|
record_format |
openpolar |
spelling |
ftciteseerx:oai:CiteSeerX.psu:10.1.1.1087.8776 2023-05-15T17:47:05+02:00 2. CARBON, HYDROGEN, AND OXYGEN ISOTOPE DISTRIBUTION IN THE INTERSTITIAL FLUIDS OF ODP LEG 104, HOLES 642B, 642D, 643A, AND 644A, VORING PLATEAU, NORWEGIAN SEA O Eldholm J Thiede E Taylor The Pennsylvania State University CiteSeerX Archives 1989 application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.1087.8776 http://www-odp.tamu.edu/publications/104_SR/VOLUME/CHAPTERS/sr104_12.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.1087.8776 http://www-odp.tamu.edu/publications/104_SR/VOLUME/CHAPTERS/sr104_12.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://www-odp.tamu.edu/publications/104_SR/VOLUME/CHAPTERS/sr104_12.pdf text 1989 ftciteseerx 2020-05-24T00:17:30Z ABSTRACT Carbon, hydrogen, and oxygen isotope ratios determined on 32 squeezed interstitial fluid samples show remarkable variations with depth. For the most part these variations are related to diagenetic and alteration reactions taking place in the sediments, and in the underlying basalts. 5 13 CECO2 depth distributions at Sites 642 and 643 are the result of mixing of original EC0 2 of the paleo bottom water with EC0 2 released by remineralization of organic matter. At Site 644, where sulfate exhaustion occurs, the processes of methanogenesis by C0 2 reduction and anaerobic methanotrophy strongly influence the S 13 CECO2 distribution. Hydrogen and oxygen isotopes roughly covary, and become enriched in 16 0 and 'H with depth. This effect is most pronounced at Sites 642 and 643, possibly due to the influence of the directly underlying basalts. Isotope depletions at Site 644 are much lower, corresponding to the greater sediment depth to basement. The alternative, that the O, H isotope shifts are due primarily to autochthonous diagenetic and exchange reactions, is not supported by the data available. Text Norwegian Sea Unknown Norwegian Sea |
institution |
Open Polar |
collection |
Unknown |
op_collection_id |
ftciteseerx |
language |
English |
description |
ABSTRACT Carbon, hydrogen, and oxygen isotope ratios determined on 32 squeezed interstitial fluid samples show remarkable variations with depth. For the most part these variations are related to diagenetic and alteration reactions taking place in the sediments, and in the underlying basalts. 5 13 CECO2 depth distributions at Sites 642 and 643 are the result of mixing of original EC0 2 of the paleo bottom water with EC0 2 released by remineralization of organic matter. At Site 644, where sulfate exhaustion occurs, the processes of methanogenesis by C0 2 reduction and anaerobic methanotrophy strongly influence the S 13 CECO2 distribution. Hydrogen and oxygen isotopes roughly covary, and become enriched in 16 0 and 'H with depth. This effect is most pronounced at Sites 642 and 643, possibly due to the influence of the directly underlying basalts. Isotope depletions at Site 644 are much lower, corresponding to the greater sediment depth to basement. The alternative, that the O, H isotope shifts are due primarily to autochthonous diagenetic and exchange reactions, is not supported by the data available. |
author2 |
The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
O Eldholm J Thiede E Taylor |
spellingShingle |
O Eldholm J Thiede E Taylor 2. CARBON, HYDROGEN, AND OXYGEN ISOTOPE DISTRIBUTION IN THE INTERSTITIAL FLUIDS OF ODP LEG 104, HOLES 642B, 642D, 643A, AND 644A, VORING PLATEAU, NORWEGIAN SEA |
author_facet |
O Eldholm J Thiede E Taylor |
author_sort |
O Eldholm |
title |
2. CARBON, HYDROGEN, AND OXYGEN ISOTOPE DISTRIBUTION IN THE INTERSTITIAL FLUIDS OF ODP LEG 104, HOLES 642B, 642D, 643A, AND 644A, VORING PLATEAU, NORWEGIAN SEA |
title_short |
2. CARBON, HYDROGEN, AND OXYGEN ISOTOPE DISTRIBUTION IN THE INTERSTITIAL FLUIDS OF ODP LEG 104, HOLES 642B, 642D, 643A, AND 644A, VORING PLATEAU, NORWEGIAN SEA |
title_full |
2. CARBON, HYDROGEN, AND OXYGEN ISOTOPE DISTRIBUTION IN THE INTERSTITIAL FLUIDS OF ODP LEG 104, HOLES 642B, 642D, 643A, AND 644A, VORING PLATEAU, NORWEGIAN SEA |
title_fullStr |
2. CARBON, HYDROGEN, AND OXYGEN ISOTOPE DISTRIBUTION IN THE INTERSTITIAL FLUIDS OF ODP LEG 104, HOLES 642B, 642D, 643A, AND 644A, VORING PLATEAU, NORWEGIAN SEA |
title_full_unstemmed |
2. CARBON, HYDROGEN, AND OXYGEN ISOTOPE DISTRIBUTION IN THE INTERSTITIAL FLUIDS OF ODP LEG 104, HOLES 642B, 642D, 643A, AND 644A, VORING PLATEAU, NORWEGIAN SEA |
title_sort |
2. carbon, hydrogen, and oxygen isotope distribution in the interstitial fluids of odp leg 104, holes 642b, 642d, 643a, and 644a, voring plateau, norwegian sea |
publishDate |
1989 |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.1087.8776 http://www-odp.tamu.edu/publications/104_SR/VOLUME/CHAPTERS/sr104_12.pdf |
geographic |
Norwegian Sea |
geographic_facet |
Norwegian Sea |
genre |
Norwegian Sea |
genre_facet |
Norwegian Sea |
op_source |
http://www-odp.tamu.edu/publications/104_SR/VOLUME/CHAPTERS/sr104_12.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.1087.8776 http://www-odp.tamu.edu/publications/104_SR/VOLUME/CHAPTERS/sr104_12.pdf |
op_rights |
Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
_version_ |
1766151398630621184 |