The Persistence of Brines in Sedimentary Basins
Grant Ferguson, Jennifer C. McIntosh, Stephen E. Grasby, M. Jim Hendry, Scott Jasechko, Matthew B.J. Lindsay, Elco Luijendijk
Abstract
Brines are commonly found at depth in sedimentary basins. Many of these brines are known to be connate waters that have persisted since the early Paleozoic Era. Yet questions remain about their distribution and mechanisms for retention at depth in the Earth's crust. Here we demonstrate that there is insufficient topography to drive these dense fluids from the bottom of deep sedimentary basins. Our assessment based on driving force ratio indicates that sedimentary basins with driving force ratio > 1 contain connate waters and frequently host large evaporite deposits. These stagnant conditions appear to be relatively stable over geological time and insensitive to factors such as glaciations, erosion, compaction, and hydrocarbon generation.- Cite:
- Grant Ferguson, Jennifer C. McIntosh, Stephen E. Grasby, M. Jim Hendry, Scott Jasechko, Matthew B.J. Lindsay, and Elco Luijendijk. 2018. The Persistence of Brines in Sedimentary Basins. Geophysical Research Letters, Volume 45, Issue 10, 45(10):4851–4858.
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@article{Ferguson-2018-The,
title = "The Persistence of Brines in Sedimentary Basins",
author = "Ferguson, Grant and
McIntosh, Jennifer C. and
Grasby, Stephen E. and
Hendry, M. Jim and
Jasechko, Scott and
Lindsay, Matthew B.J. and
Luijendijk, Elco",
journal = "Geophysical Research Letters, Volume 45, Issue 10",
volume = "45",
number = "10",
year = "2018",
publisher = "American Geophysical Union (AGU)",
url = "https://gwf-uwaterloo.github.io/gwf-publications/G18-2001",
doi = "10.1029/2018gl078409",
pages = "4851--4858",
abstract = "Brines are commonly found at depth in sedimentary basins. Many of these brines are known to be connate waters that have persisted since the early Paleozoic Era. Yet questions remain about their distribution and mechanisms for retention at depth in the Earth's crust. Here we demonstrate that there is insufficient topography to drive these dense fluids from the bottom of deep sedimentary basins. Our assessment based on driving force ratio indicates that sedimentary basins with driving force ratio {\textgreater} 1 contain connate waters and frequently host large evaporite deposits. These stagnant conditions appear to be relatively stable over geological time and insensitive to factors such as glaciations, erosion, compaction, and hydrocarbon generation.",
}
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<abstract>Brines are commonly found at depth in sedimentary basins. Many of these brines are known to be connate waters that have persisted since the early Paleozoic Era. Yet questions remain about their distribution and mechanisms for retention at depth in the Earth’s crust. Here we demonstrate that there is insufficient topography to drive these dense fluids from the bottom of deep sedimentary basins. Our assessment based on driving force ratio indicates that sedimentary basins with driving force ratio \textgreater 1 contain connate waters and frequently host large evaporite deposits. These stagnant conditions appear to be relatively stable over geological time and insensitive to factors such as glaciations, erosion, compaction, and hydrocarbon generation.</abstract>
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%0 Journal Article %T The Persistence of Brines in Sedimentary Basins %A Ferguson, Grant %A McIntosh, Jennifer C. %A Grasby, Stephen E. %A Hendry, M. Jim %A Jasechko, Scott %A Lindsay, Matthew B.J. %A Luijendijk, Elco %J Geophysical Research Letters, Volume 45, Issue 10 %D 2018 %V 45 %N 10 %I American Geophysical Union (AGU) %F Ferguson-2018-The %X Brines are commonly found at depth in sedimentary basins. Many of these brines are known to be connate waters that have persisted since the early Paleozoic Era. Yet questions remain about their distribution and mechanisms for retention at depth in the Earth’s crust. Here we demonstrate that there is insufficient topography to drive these dense fluids from the bottom of deep sedimentary basins. Our assessment based on driving force ratio indicates that sedimentary basins with driving force ratio \textgreater 1 contain connate waters and frequently host large evaporite deposits. These stagnant conditions appear to be relatively stable over geological time and insensitive to factors such as glaciations, erosion, compaction, and hydrocarbon generation. %R 10.1029/2018gl078409 %U https://gwf-uwaterloo.github.io/gwf-publications/G18-2001 %U https://doi.org/10.1029/2018gl078409 %P 4851-4858
Markdown (Informal)
[The Persistence of Brines in Sedimentary Basins](https://gwf-uwaterloo.github.io/gwf-publications/G18-2001) (Ferguson et al., GWF 2018)
- The Persistence of Brines in Sedimentary Basins (Ferguson et al., GWF 2018)
ACL
- Grant Ferguson, Jennifer C. McIntosh, Stephen E. Grasby, M. Jim Hendry, Scott Jasechko, Matthew B.J. Lindsay, and Elco Luijendijk. 2018. The Persistence of Brines in Sedimentary Basins. Geophysical Research Letters, Volume 45, Issue 10, 45(10):4851–4858.