Evolution of fault permeability during episodic fluid circulation: Evidence for the effects of fluid–rock interactions from travertine studies (Utah–USA)

Frery, Emanuelle; Gratier, Jean‐Pierre; Ellouz-Zimmerman, Nadine; Loiselet, Christelle; Braun, Jean; Deschamps, Pierre; Blamart, Dominique; Hamelin, Bruno; Swennen, Rudy

doi:10.1016/j.tecto.2015.03.018

Cited by 54 publications

(32 citation statements)

References 78 publications

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“…Class 1A connects diffuse degassing peaks. The geometry of fault surfaces is usually irregular; in addition, fault sealing mechanisms induced by mineral precipitation take place along the fault trace (Frery et al, 2015). As a consequence, the permeability structure is usually highly heterogeneous (Sibson, 1996).…”

Section: Diffuse Degassing Structuresmentioning

confidence: 99%

Structural architecture releasing deep-sourced carbon dioxide diffuse degassing at the Caviahue – Copahue Volcanic Complex

Lamberti

Vigide

Venturi

et al. 2019

Journal of Volcanology and Geothermal Research

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Section: Diffuse Degassing Structuresmentioning

confidence: 99%

Structural architecture releasing deep-sourced carbon dioxide diffuse degassing at the Caviahue – Copahue Volcanic Complex

Lamberti

Vigide

Venturi

et al. 2019

Journal of Volcanology and Geothermal Research

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“…In hydrothermal settings where carbonate-enriched fluids circulate within calcareous reservoirs, thermogene travertine is the common CaCO 3 sinter precipitated from thermal springs (Pentecost and Viles, 1994;Pentecost, 1995). Thermogene travertine deposits have been documented to represent important markers for the mode and style of tectonic activity within hydrothermal settings (e.g., Altunel and Hancock, 1993;Hancock et al, 1999;Altunel and Karabacak, 2005;Uysal et al, 2007;Faccenna et al, 2008;Brogi and Capezzuoli, 2009;Brogi et al, 2010a;De Filippis and Billi, 2012;De Filippis et al, 2013b;Frery et al, 2015). Moreover, thermogene travertine has been used as a reliable indicator of paleoclimatic oscillations (Sturchio et al, 1994;Rihs et al, 2000;Soligo et al, 2002;Faccenna et al, 2008;Uysal et al, 2009;De Filippis et al, 2013a;Toker et al, 2015) and paleohydrological regimes (Crossey et al, 2006;Crossey and Karlstrom, 2012;Priewisch et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Tectonics, hydrothermalism, and paleoclimate recorded by Quaternary travertines and their spatio-temporal distribution in the Albegna basin, central Italy: Insights on Tyrrhenian margin neotectonics

et al. 2016

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The Neogene-Quaternary Albegna basin (southern Tuscany, central Italy), located to the south of the active geothermal field of Monte Amiata, hosts fossil and active thermogene travertine deposits, which are used in this study to reconstruct the spatio-temporal evolution of the feeding hydrothermal system. Travertine deposition is controlled by regional tectonics that operated through distributed N-Sand approximately E-W-striking transtensional fault arrays. The geochronological data set (230 Th/ 234 U, uranium-series disequilibrium) indicates a general rejuvenation (from >350 to <40 ka) of the travertine deposits moving from north to south and from higher to lower elevations. Negative d 13 C and positive d 18 O trends with younger deposition ages and lower depositional elevations provide evidence for a change in space and time of the hydrothermal fluid supply, suggesting a progressive dilution of the endogenic fluid sources by increasing meteoric water inputs. Comparison with paleoclimate records suggests increased travertine deposition during humid interglacial periods characterized by highstands of the water table. Travertine deposits of the Albegna basin record the interactions and feedbacks among tectonics, hydrothermalism, and paleoclimate within a region of positive geothermal anomaly during the Quaternary. Our study also sheds light on the neotectonic evolution of the Tyrrhenian margin of central Italy, where hydrothermalism has been distributed along margin-transverse structures during the Pleistocene and Holocene. It is hypothesized that originally upper-crustal, margin-transverse faults have evolved to through-going crustal features during the Quaternary, providing structurally controlled pathways for hydrothermal fluids. We suggest that this was the consequence of a change in the relative magnitude of the principal stress vectors along the Tyrrhenian margin that occurred under a regional stress field dominated by a continuous extensional regime.

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“…These observations illustrate that fluid migration at the St. Johns Dome occurs along fault zones and once migration pathways have been established they are spatially stable for long periods (>100 ka). This is in contrast to other fault controlled fluid migration pathways on the Colorado Plateau for which it is suggested that these stay open only episodically for few thousands of years after rapid fault opening/movement and subsequently heal (Frery et al, 2015). Similar cyclic reopening and healing of fractures governing fault zone permeability has been recorded by travertine deposition at other active fault zones (Brogi et al, 2010).…”

Section: Expression and Timing Of Fluid Flowmentioning

confidence: 66%

Stress field orientation controls fault leakage at a natural CO<sub>2</sub> reservoir

Miocic¹,

Johnson²,

Gilfillan³

2020

Preprint

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Abstract. Travertine deposits at the St. Johns Dome natural CO2 reservoir in Arizona, USA, document a long (> 400 ka) history of surface leakage of CO2 from a subsurface reservoir. Travertine deposits are concentrated along surface traces of faults implying that there has been a structural control on the migration pathway of CO2 rich fluids. Here, for the first time, we combine slip tendency and fracture stability to analyse the geomechanical stability of the reservoir-bounding Coyote Wash Fault for three different stress fields and predict areas with high leakage risks. We find that these areas coincide with the travertine deposits on the surface indicating that high permeability pathways as a result of critically stressed fracture networks exist in both fault damage zones and around a fault tip. We conclude that these structural features control leakage. Importantly, we find that even without in-situ stress field data the known leakage points can be predicted using geomechanical analyses, despite the complex tectonic setting. Thus, even though acquiring high quality stress field data for secure subsurface CO2 or energy storage is a must, a first order assessment of leakage risks during site selection can be made with limited stress field knowledge.

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Evolution of fault permeability during episodic fluid circulation: Evidence for the effects of fluid–rock interactions from travertine studies (Utah–USA)

Cited by 54 publications

References 78 publications

Structural architecture releasing deep-sourced carbon dioxide diffuse degassing at the Caviahue – Copahue Volcanic Complex

Structural architecture releasing deep-sourced carbon dioxide diffuse degassing at the Caviahue – Copahue Volcanic Complex

Tectonics, hydrothermalism, and paleoclimate recorded by Quaternary travertines and their spatio-temporal distribution in the Albegna basin, central Italy: Insights on Tyrrhenian margin neotectonics

Stress field orientation controls fault leakage at a natural CO<sub>2</sub> reservoir

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Evolution of fault permeability during episodic fluid circulation: Evidence for the effects of fluid–rock interactions from travertine studies (Utah–USA)

Cited by 54 publications

References 78 publications

Structural architecture releasing deep-sourced carbon dioxide diffuse degassing at the Caviahue – Copahue Volcanic Complex

Structural architecture releasing deep-sourced carbon dioxide diffuse degassing at the Caviahue – Copahue Volcanic Complex

Tectonics, hydrothermalism, and paleoclimate recorded by Quaternary travertines and their spatio-temporal distribution in the Albegna basin, central Italy: Insights on Tyrrhenian margin neotectonics

Stress field orientation controls fault leakage at a natural CO&lt;sub&gt;2&lt;/sub&gt; reservoir

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Stress field orientation controls fault leakage at a natural CO<sub>2</sub> reservoir