Basement structure of the Hontomín CO2 storage site (Spain) determined by integration of microgravity and 3D seismic data

Juvenal Andrés, Juan Alcalde, Puy Ayarza, Eduard Saura, Ignacio Marzán, David Marti, José Ramón Martínez-Catalán, Ramon Carbonell, Andres Perez-Estaun, José Luis García-Lobón, Félix Manuel Rubio

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Abstract

A multidisciplinary study has been carried out in Hontomín (Spain) to determine the basement structural setting, its geometry and that of the sedimentary succession of an area aimed to be the first Spanish pilot plant for CO2 storage. An integration of coincident 3D seismic results, borehole data and unpublished microgravity data was used to reproduce the deep structure and topography of the basement and to quantify the thickness of the Triassic Keuper evaporites. The subsurface structure is characterized by a half-graben setting filled with Keuper evaporites (up to 2000 m thick) forming an extensional forced fold. All datasets clearly identify two main fault systems compartmentalizing the main structural domain into three differentiated blocks. These faults have been interpreted to be reactivated normal faults that have led to the formation of the Hontomín dome.
Original languageEnglish
Pages (from-to)827-841
Number of pages15
JournalSolid earth
Volume7
Issue number3
DOIs
Publication statusPublished - 24 May 2016

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Keuper
microgravity
Microgravity
Domes
Spain
Boreholes
Pilot plants
basements
evaporite
Topography
topography
seismic data
pilot plants
Geometry
domes
boreholes
graben
normal fault
dome
Triassic

Cite this

Andrés, J., Alcalde, J., Ayarza, P., Saura, E., Marzán, I., Marti, D., ... Rubio, F. M. (2016). Basement structure of the Hontomín CO2 storage site (Spain) determined by integration of microgravity and 3D seismic data. Solid earth, 7(3), 827-841. https://doi.org/10.5194/se-7-827-2016

Basement structure of the Hontomín CO2 storage site (Spain) determined by integration of microgravity and 3D seismic data. / Andrés, Juvenal; Alcalde, Juan; Ayarza, Puy; Saura, Eduard; Marzán, Ignacio; Marti, David; Martínez-Catalán, José Ramón; Carbonell, Ramon; Perez-Estaun, Andres; García-Lobón, José Luis; Rubio, Félix Manuel.

In: Solid earth, Vol. 7, No. 3, 24.05.2016, p. 827-841.

Research output: Contribution to journalArticle

Andrés, J, Alcalde, J, Ayarza, P, Saura, E, Marzán, I, Marti, D, Martínez-Catalán, JR, Carbonell, R, Perez-Estaun, A, García-Lobón, JL & Rubio, FM 2016, 'Basement structure of the Hontomín CO2 storage site (Spain) determined by integration of microgravity and 3D seismic data', Solid earth, vol. 7, no. 3, pp. 827-841. https://doi.org/10.5194/se-7-827-2016
Andrés, Juvenal ; Alcalde, Juan ; Ayarza, Puy ; Saura, Eduard ; Marzán, Ignacio ; Marti, David ; Martínez-Catalán, José Ramón ; Carbonell, Ramon ; Perez-Estaun, Andres ; García-Lobón, José Luis ; Rubio, Félix Manuel. / Basement structure of the Hontomín CO2 storage site (Spain) determined by integration of microgravity and 3D seismic data. In: Solid earth. 2016 ; Vol. 7, No. 3. pp. 827-841.
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