Stylolites and stylolite networks as primary controls on the geometry and distribution of carbonate diagenetic alterations

There is ongoing debate on whether stylolites act as barriers, conduits, or play no role in fluid transport. This problem can be tackled by examining the spatial and temporal relationships between stylolites and other diagenetic products at multiple scales. Using the well-known Lower Cretaceous Beni...

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Autores: Gómez Rivas, Enrique, Martín, Juan Diego (Martín Martín), Bons, Paul D., Koehn, Daniel, Griera i Artigas, Albert, Travé i Herrero, Anna, Llorens, Maria-Gema, Humphrey, E., Neilson, J.
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2022
País:España
Institución:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repositorio:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:2445/183313
Acceso en línea:https://hdl.handle.net/2445/183313
Access Level:acceso abierto
Palabra clave:Geologia estructural
Roques calcàries
Dolomia
Structural geology
Carbonate rocks
Dolomite
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spelling Stylolites and stylolite networks as primary controls on the geometry and distribution of carbonate diagenetic alterationsGómez Rivas, EnriqueMartín, Juan Diego (Martín Martín)Bons, Paul D.Koehn, DanielGriera i Artigas, AlbertTravé i Herrero, AnnaLlorens, Maria-GemaHumphrey, E.Neilson, J.Geologia estructuralRoques calcàriesDolomiaStructural geologyCarbonate rocksDolomiteThere is ongoing debate on whether stylolites act as barriers, conduits, or play no role in fluid transport. This problem can be tackled by examining the spatial and temporal relationships between stylolites and other diagenetic products at multiple scales. Using the well-known Lower Cretaceous Benicàssim case study area (Maestrat Basin, E. Spain), we provide new field and petrographic observations of how bedding-parallel stylolites can influence different diagenetic processes during basin evolution. The results reveal that stylolites can serve as baffles or inhibitors for different carbonate diagenetic reactions, and act as fronts for dolomitization, dolomite recrystallization and dolomite calcitization processes. Anastomosing stylolites that pre-date burial dolomitization probably acted as a collective baffle for dolomitization fluids in the study area, resulting in stratabound replacement geometries at the metre-to-kilometre scale. The dolomitization front coincides with stylolites, and can be traced along consecutive anastomosing ones. Such anastomosing stylolites are typical of mud-dominated facies that characterize limestone-dolostone transition zones. Conversely, dolostone bodies tend to correspond to more grain-dominated facies characterized by parallel (non-anastomosing) stylolites. Stylolites subsequently acted as fluid flow conduits and barriers when the burial and stress conditions changed. Stylolitic porosity enhanced by dissolution within dolostones close to faults appears filled with saddle dolomite riming the stylolite pore, and high-temperature blocky calcite cements filling the remaining porosity. The fluids responsible for these reactions were likely released from below at high pressure, causing hydraulic brecciation, and were channelised through stylolites, which acted as fluid conduits. Stylolites are also found acting as baffles for subsequent dolomite calcitization reactions during meteoric diagenesis and occasionally appear filled with iron oxides likely released by calcitization. This example demonstrates how the same type of stylolites (bedding-parallel) can act as barriers/inhibitors and/or conduits for different types of diagenetic reactions through time, and how important it is to consider their collective role when they form networks.Elsevier B.V.2022202220222022info:eu-repo/semantics/articleinfo:eu-repo/semantics/acceptedVersion14 p.application/pdfhttps://hdl.handle.net/2445/183313Articles publicats en revistes (Mineralogia, Petrologia i Geologia Aplicada)reponame:Recercat. Dipósit de la Recerca de Catalunyainstname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)InglésReproducció del document publicat a: https://doi.org/10.1016/j.marpetgeo.2021.105444Marine and Petroleum Geology, 2022, vol. 136, num. 105444https://doi.org/10.1016/j.marpetgeo.2021.105444cc-by-nc-nd (c) Elsevier B.V., 2022https://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessoai:recercat.cat:2445/1833132026-05-29T05:05:01Z
dc.title.none.fl_str_mv Stylolites and stylolite networks as primary controls on the geometry and distribution of carbonate diagenetic alterations
title Stylolites and stylolite networks as primary controls on the geometry and distribution of carbonate diagenetic alterations
spellingShingle Stylolites and stylolite networks as primary controls on the geometry and distribution of carbonate diagenetic alterations
Gómez Rivas, Enrique
Geologia estructural
Roques calcàries
Dolomia
Structural geology
Carbonate rocks
Dolomite
title_short Stylolites and stylolite networks as primary controls on the geometry and distribution of carbonate diagenetic alterations
title_full Stylolites and stylolite networks as primary controls on the geometry and distribution of carbonate diagenetic alterations
title_fullStr Stylolites and stylolite networks as primary controls on the geometry and distribution of carbonate diagenetic alterations
title_full_unstemmed Stylolites and stylolite networks as primary controls on the geometry and distribution of carbonate diagenetic alterations
title_sort Stylolites and stylolite networks as primary controls on the geometry and distribution of carbonate diagenetic alterations
dc.creator.none.fl_str_mv Gómez Rivas, Enrique
Martín, Juan Diego (Martín Martín)
Bons, Paul D.
Koehn, Daniel
Griera i Artigas, Albert
Travé i Herrero, Anna
Llorens, Maria-Gema
Humphrey, E.
Neilson, J.
author Gómez Rivas, Enrique
author_facet Gómez Rivas, Enrique
Martín, Juan Diego (Martín Martín)
Bons, Paul D.
Koehn, Daniel
Griera i Artigas, Albert
Travé i Herrero, Anna
Llorens, Maria-Gema
Humphrey, E.
Neilson, J.
author_role author
author2 Martín, Juan Diego (Martín Martín)
Bons, Paul D.
Koehn, Daniel
Griera i Artigas, Albert
Travé i Herrero, Anna
Llorens, Maria-Gema
Humphrey, E.
Neilson, J.
author2_role author
author
author
author
author
author
author
author
dc.subject.none.fl_str_mv Geologia estructural
Roques calcàries
Dolomia
Structural geology
Carbonate rocks
Dolomite
topic Geologia estructural
Roques calcàries
Dolomia
Structural geology
Carbonate rocks
Dolomite
description There is ongoing debate on whether stylolites act as barriers, conduits, or play no role in fluid transport. This problem can be tackled by examining the spatial and temporal relationships between stylolites and other diagenetic products at multiple scales. Using the well-known Lower Cretaceous Benicàssim case study area (Maestrat Basin, E. Spain), we provide new field and petrographic observations of how bedding-parallel stylolites can influence different diagenetic processes during basin evolution. The results reveal that stylolites can serve as baffles or inhibitors for different carbonate diagenetic reactions, and act as fronts for dolomitization, dolomite recrystallization and dolomite calcitization processes. Anastomosing stylolites that pre-date burial dolomitization probably acted as a collective baffle for dolomitization fluids in the study area, resulting in stratabound replacement geometries at the metre-to-kilometre scale. The dolomitization front coincides with stylolites, and can be traced along consecutive anastomosing ones. Such anastomosing stylolites are typical of mud-dominated facies that characterize limestone-dolostone transition zones. Conversely, dolostone bodies tend to correspond to more grain-dominated facies characterized by parallel (non-anastomosing) stylolites. Stylolites subsequently acted as fluid flow conduits and barriers when the burial and stress conditions changed. Stylolitic porosity enhanced by dissolution within dolostones close to faults appears filled with saddle dolomite riming the stylolite pore, and high-temperature blocky calcite cements filling the remaining porosity. The fluids responsible for these reactions were likely released from below at high pressure, causing hydraulic brecciation, and were channelised through stylolites, which acted as fluid conduits. Stylolites are also found acting as baffles for subsequent dolomite calcitization reactions during meteoric diagenesis and occasionally appear filled with iron oxides likely released by calcitization. This example demonstrates how the same type of stylolites (bedding-parallel) can act as barriers/inhibitors and/or conduits for different types of diagenetic reactions through time, and how important it is to consider their collective role when they form networks.
publishDate 2022
dc.date.none.fl_str_mv 2022
2022
2022
2022
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/acceptedVersion
format article
status_str acceptedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/2445/183313
url https://hdl.handle.net/2445/183313
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Reproducció del document publicat a: https://doi.org/10.1016/j.marpetgeo.2021.105444
Marine and Petroleum Geology, 2022, vol. 136, num. 105444
https://doi.org/10.1016/j.marpetgeo.2021.105444
dc.rights.none.fl_str_mv cc-by-nc-nd (c) Elsevier B.V., 2022
https://creativecommons.org/licenses/by-nc-nd/4.0/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv cc-by-nc-nd (c) Elsevier B.V., 2022
https://creativecommons.org/licenses/by-nc-nd/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 14 p.
application/pdf
dc.publisher.none.fl_str_mv Elsevier B.V.
publisher.none.fl_str_mv Elsevier B.V.
dc.source.none.fl_str_mv Articles publicats en revistes (Mineralogia, Petrologia i Geologia Aplicada)
reponame:Recercat. Dipósit de la Recerca de Catalunya
instname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
instname_str Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
reponame_str Recercat. Dipósit de la Recerca de Catalunya
collection Recercat. Dipósit de la Recerca de Catalunya
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15.812455

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