Sedimentology and sequence stratigraphy of a Tithonian–Valanginian carbonate ramp (Vaca Muerta Formation): A misunderstood exceptional source rock in the Southern Mendoza area of the Neuquén Basin, Argentina

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dc.contributor.authorKietzmann, Diego A.
dc.contributor.authorPalma, Ricardo Manuel
dc.contributor.authorRiccardi, A.C.
dc.contributor.authorMartín Chivelet, Javier
dc.contributor.authorLópez Gómez, José
dc.date.accessioned2023-06-19T13:37:30Z
dc.date.available2023-06-19T13:37:30Z
dc.date.issued2014
dc.description.abstractThe Vaca Muerta Formation (early Tithonian–early Valanginian) is a rhythmic succession of marls and limestones, cropping out in the Neuquén Basin, west-central Argentina. This lithostratigraphic unit was traditionally interpreted as basinal to slope deposits. Detailed facies analysis allows to differentiate seven facies associations, representing basinal to middle ramp facies of a homoclinal ramp system prograding westward from the eastern margin, and slope facies attributed to a distally steepened rampsystemthat progrades eastward fromthe Andean volcanic arc in the west. Two sequence hierarchies are recognized: five third order depositional sequences, and fifteen fourth order high-frequency sequences. Fluctuations in organic matter content within the Vaca Muerta Formation suggest relationship with depositional sequences, finding the highest values associated with transgressive systemtracts. This work represents an important advance in the understanding of the sedimentary and stratigraphic evolution of this exceptional unconventional reservoir. Our sequence stratigraphic approach contributes to the understanding of the relationship between organic matter, facies, and sea-level changes.
dc.description.departmentDepto. de Geodinámica, Estratigrafía y Paleontología
dc.description.facultyFac. de Ciencias Geológicas
dc.description.refereedTRUE
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/58043
dc.identifier.doi10.1016/j.sedgeo.2014.01.002
dc.identifier.issn0037-0738
dc.identifier.officialurlhttps://www.journals.elsevier.com/sedimentary-geology
dc.identifier.urihttps://hdl.handle.net/20.500.14352/34149
dc.journal.titleSedimentary geology
dc.language.isoeng
dc.page.final86
dc.page.initial64
dc.publisherElsevier
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España
dc.rights.accessRightsopen access
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject.cdu551.3.051
dc.subject.keywordCarbonate ramp
dc.subject.keywordSource rock
dc.subject.keywordShale-gas systems
dc.subject.keywordDepositional sequences
dc.subject.keywordJurassic –Cretaceous boundary
dc.subject.ucmGeología estratigráfica
dc.subject.unesco2506.19 Estratigrafía
dc.titleSedimentology and sequence stratigraphy of a Tithonian–Valanginian carbonate ramp (Vaca Muerta Formation): A misunderstood exceptional source rock in the Southern Mendoza area of the Neuquén Basin, Argentina
dc.typejournal article
dc.volume.number302
dspace.entity.typePublication
relation.isAuthorOfPublicationec6fc8e5-d413-47bf-9ada-4ff280f9e849
relation.isAuthorOfPublication.latestForDiscoveryec6fc8e5-d413-47bf-9ada-4ff280f9e849
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