2011
DOI: 10.15517/rgac.v0i26.8527
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Calizas lutetianas del arco interno Paleógeno de Costa Rica

Abstract: ABSTRACT:We present new sedimentologic and biostratigraphic data on the shallow-water limestone sequence of the quebrada Concha, the type locality of the Eocene Parritilla Formation in central Costa Rica. This unit appears at the base of the about 4.500 m thick sedimentary sequence of the Cenozoic Valle Central basin, unconformably overlying the Nicoya ophiolite complex. The Parritilla limestone contain a rich larger foraminiferal fauna from the early Middle Eocene (Lutetian) represented by well-preserved and … Show more

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Cited by 8 publications
(10 citation statements)
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“…In marked contrast to further contemporaneous neritic arc areas where mostly restricted relatively small carbonate platforms and ramps developed (Calvo, 1987;Bolz and Calvo, 2002), the Fila de Cal sequence records indeed remarkable vast marine carbonate environments. Considering detailed limestone mapping (Mora, 1979) and time space of carbonate sedimentation, the platform sequence of Fila de Cal is the longest-lasting and largest carbonate platform in southern Central America.…”
Section: Climax Episode Of Carbonate Sedimentationmentioning
confidence: 94%
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“…In marked contrast to further contemporaneous neritic arc areas where mostly restricted relatively small carbonate platforms and ramps developed (Calvo, 1987;Bolz and Calvo, 2002), the Fila de Cal sequence records indeed remarkable vast marine carbonate environments. Considering detailed limestone mapping (Mora, 1979) and time space of carbonate sedimentation, the platform sequence of Fila de Cal is the longest-lasting and largest carbonate platform in southern Central America.…”
Section: Climax Episode Of Carbonate Sedimentationmentioning
confidence: 94%
“…7). The closer to the volcanic areas, the earlier the carbonate sedimentation declines: so in the Parritilla Formation sequence, located within the inner arc, the carbonate development was restricted to the Middle Eocene (Bolz and Calvo, 2002), while Las Ánimas limestone sequence, situated on the eastern inner arc, reached the Upper Eocene (Rivier, 1973;Fernández, 1987) (Fig. 7).…”
Section: Control Of Volcaniclastic Sedimentation On Arc Carbonate Plamentioning
confidence: 99%
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“…Las otras localidades con macroforaminíferos reportados en las rocas del Cretácico Superior están en la península de Santa Elena (Baumgartner & Denyer, 2002;Harrison, 1953); Paleoceno Superior, en punta Guiones (Malavassi, 1962); Eoceno Medio, río Damas (Malavassi, 1960(Malavassi, y 1961 y Formación Parritina (Bolz & Calvo, 2002); Eoceno Superior, en la caliza de las Ánimas (Lohman & Brinckman, 1931;Cole, 1953), bahía Junquillal, punta Serrucho, El Cajón, río Parrita. Adicionalmente en la zona de las Ruedas y zona de los Patos, solo determinaciones genéricas (Malavassi, 1960(Malavassi, y 1961; Quebrada Grande con una secuencia desde el Eoceno Superior al Mioceno Inferior (Rivier, 1973); Oligoceno Superior, bajo el puente sobre el río Reventazón (Drooger, 1952) en la carretera de Chitaria a Peralta, punta Pelada (Malavassi, 1960(Malavassi, , 1961 y península de Nicoya (Baumgartner et al, 2008).…”
Section: Foraminíferosunclassified
“…Jaccard et al (2001), realizan un estudio de las plataformas carbonatadas del Cretácico Superior, Paleoceno Superior y Eoceno Inferior del área del Tempisque, Guanacaste, donde incluyen estudios de microfósiles, de microfacies y estructurales. Bolz & Calvo (2002), presentan un estudio sedimentológico y bioestratigráfico de las calizas del Eoceno de la quebrada Concha, Formación Parritilla, al sur del Valle Central. Aguilar & Denyer (2002), realizan una estratigrafía de detalle del área de Tortugal, Guanacaste, para el Cretácico-Terciario, correlacionándola con las unidades estratigráficas regionales.…”
Section: Síntesis De Trabajos Estratigráficos Y Sedimentológicosunclassified