The Miocene New Jersey Passive Margin as a Model for the Distribution of Sedimentary Organic Matter in Siliciclastic Deposits

Pellaton, Caroline; Gorin, Georges E.

doi:10.2110/jsr.2005.076

Cited by 20 publications

(7 citation statements)

References 18 publications

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“…Based on the quantitative palynofacies analysis, two parameters are used to provide information on the stratigraphic evolution of particulate organic matter sedimentation in the BdlC section. The ratio of continent-derived to marine-derived particles (log CONT/MAR) is a proxy for distinguishing transgressive–regressive trends (Steffen & Gorin, 1993; Pellaton & Gorin, 2005). In addition, the relative abundance of dinoflagellate cysts is used as an indication for increasing marine influence (Tyson, 1995; Pellaton & Gorin, 2005).…”

Section: Resultsmentioning

confidence: 99%

Climatic evolution across oceanic anoxic event 1a derived from terrestrial palynology and clay minerals (Maestrat Basin, Spain)

et al. 2014

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-Studies dealing with the response of the continental biosphere to the environmental perturbations associated with Cretaceous oceanic anoxic events (OAEs) are comparatively rare. Here, a quantitative spore-pollen record combined with clay mineral data is presented, which covers the entire early Aptian OAE 1a interval (Forcall Formation, Maestrat basin, east Spain). The well-expressed OAE 1a carbon-isotope anomaly is paralleled by changes in the clay mineral assemblage and by a stepwise decline in the normalized frequency of Classopollis pollen (produced by xerophytic Cheirolepidiaceae) with lowest contents occurring during the positive δ 13 C shift. In contrast, Araucariacites and Inaperturopollenites pollen show a pronounced increase in relative abundance from low background values to become a significant component of the palynological assemblage during the Classopollis minimum. The observed changes in clay minerals and pollen distribution patterns are interpreted to reflect a major change in the composition of the hinterland vegetation of the Maestrat Basin, most probably due to short-lived but pronounced climatic cooling and changes in humidity. Temperature anomalies driven by organic carbon burial and associated CO 2 decline have been postulated for all major Mesozoic OAEs. The palynomorph record from the Iberian Maestrat basins indicates that the climax of this cooling episode was significantly delayed in comparison to the end of organic carbon-rich deposition in the world oceans.

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Section: Resultsmentioning

confidence: 99%

Climatic evolution across oceanic anoxic event 1a derived from terrestrial palynology and clay minerals (Maestrat Basin, Spain)

et al. 2014

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“…Sev eral in terpre tive pa ram e ters, based on palynofacies ob ser va tions, can be used for a de tailed palaeoenvironmental anal y ses, namely: ra tio of opaque to trans lu cent phytoclasts (O:Trans; Steffen and Gorin, 1993;Carvalho et al, 2013) and the con ti nen tal/ma rine palynomorphs ra tio (C/M; Pellaton and Gorin, 2005). Also, onshore-off shore depositional en vi ron ments and transgressive --re gres sive trends can be in ferred based on a spore-pol len --microplankton (SPM) ter nary di a gram pro posed by Federova (1977) and Duringer and Doubinger (1985).…”

Section: Methodsmentioning

confidence: 99%

Dinoflagellate cysts and palynofacies across the Cretaceous-Paleogene boundary interval of the Vrancea Nappe (Eastern Carpathians, Romania)

Ţabără

Slimani

2016

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(2) a dis con ti nu ity be tween the two for ma tions. The palynofacies anal y sis from this geo log i cal sec tion in di cates an abun dance of con ti nen tal or ganic mat ter (mainly opaque phytoclasts), de pos ited in a dis tal set ting of the sed i men tary ba sin. The oc cur rences in the palynological as sem blage of some oce anic dinocyst taxa such as Impagidinium and Pterodinium sug gest the same depositional en vi ron ment for the geo log i cal for ma tions ana lysed.

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“…Changes in the co‐occurrence of terrestrial palynomorphs (pollen and spores) and those of marine origin (dinocysts) in marine deposits can be used as an indicator of proximal‐distal trends [ Pellaton and Gorin , ], thus providing a means for interpreting sea level changes and their impact on marine environments [ Scott et al , ; Mudie , ; Versteegh and Zonneveld , ; Bombardiere and Gorin , , ; McCarthy and Mudie , ; Carvalho et al , ]. In general, the ratio of terrestrial to marine palynomorphs decreases from nearshore to offshore environments.…”

Section: Dinocystsmentioning

confidence: 99%

Late Aptian (Cretaceous) paleoceanography of the South Atlantic Ocean inferred from dinocyst communities of the Sergipe Basin, Brazil

2016

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The late Aptian (Early Cretaceous) is a crucial time interval for understanding the paleoceanographic changes in the Southern Hemisphere. Oceanographic changes in the emerging South Atlantic Ocean during this interval are reflected in the stratigraphic distribution of dinoflagellate communities recorded in the Muribeca and Riachuelo formations of the Sergipe Basin in northeastern Brazil. The Subtilisphaera community, in the lower and middle parts of the section, appears to be related to the Subtilisphaera Ecozone and suggests the onset of Tethyan influence in the central South Atlantic, in a restricted to inner-neritic environment. The succeeding Spiniferites community, in the middle part of the section, represents the first significant transgression, probably of eustatic origin. The Cyclonephelium-Exochosphaeridium community, in the upper part of the section, appears to be related to an oceanic event characterized by intermittent dysoxic-anoxic conditions. The uppermost part of the section is dominated by the Spiniferites community, related to a progressive regional transgression and culminating in an open-marine, fully Tethyan environment in the central part of the widening South Atlantic.

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The Miocene New Jersey Passive Margin as a Model for the Distribution of Sedimentary Organic Matter in Siliciclastic Deposits

Cited by 20 publications

References 18 publications

Climatic evolution across oceanic anoxic event 1a derived from terrestrial palynology and clay minerals (Maestrat Basin, Spain)

Climatic evolution across oceanic anoxic event 1a derived from terrestrial palynology and clay minerals (Maestrat Basin, Spain)

Dinoflagellate cysts and palynofacies across the Cretaceous-Paleogene boundary interval of the Vrancea Nappe (Eastern Carpathians, Romania)

Late Aptian (Cretaceous) paleoceanography of the South Atlantic Ocean inferred from dinocyst communities of the Sergipe Basin, Brazil

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