Search Results - "Warren, Lucas Verissimo"
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The transgressive-regressive cycle of the Romualdo Formation (Araripe Basin): Sedimentary archive of the Early Cretaceous marine ingression in the interior of Northeast Brazil
Published in Sedimentary geology (15-08-2017)“…Geologic events related to the opening of the South Atlantic Ocean deeply influenced the sedimentary record of the Araripe Basin. As consequence, upper…”
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Not all shell beds are made equal: Recognizing singular event‐concentrations in megalakes
Published in Sedimentology (01-12-2024)“…ABSTRACT Event deposition accounts for a large part of the preserved sedimentary record. Tempestites, tsunamites and turbidites are among the most common event…”
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Cloudina-Corumbella-Namacalathus association from the Itapucumi Group, Paraguay: Increasing ecosystem complexity and tiering at the end of the Ediacaran
Published in Precambrian research (01-09-2017)“…[Display omitted] •First report of Namacalathus in the Ediacaran record of the Gondwana.•Occurrence with Cloudina and Corumbella increase the ecologic…”
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Comments on paper by M. Arai "Aptian/Albian (Early Cretaceous) paleogeography of the South Atlantic: a paleontological perspective"
Published in Brazilian journal of geology (01-03-2016)Get full text
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Marine or freshwater? Accessing the paleoenvironmental parameters of the Caldas Bed, a key marker bed in the Crato Formation (Araripe Basin, NE Brazil)
Published in Brazilian journal of geology (2021)“…Abstract The Aptian Crato Formation is world renowned for its well-preserved fossils in microbially-induced laminated limestones, which are regarded as one of…”
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The hidden passive margins from the birth of SW Gondwana
Published in Brazilian journal of geology (01-01-2024)“…Abstract The final consolidation of southwestern Gondwana during the Ediacaran–Cambrian resulted in the formation of a large landmass originally surrounded by…”
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The missing mats: MISS diversity and influence on life preservation in the late Ediacaran of the Tandilia System, Argentina
Published in Brazilian journal of geology (01-01-2023)“…Abstract The terminal Ediacaran fossil record includes microbial mats and body fossils characterized by simple morphologies, which represents a challenge to…”
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The impact of benthic microbial communities in sediment dispersion and bedform preservation: a view from the oldest microbially induced sedimentary structures in South America
Published in Brazilian journal of geology (01-01-2022)“…Abstract The influence of microbial communities upon sedimentary dynamics is an issue of increasing significance. Over the last decades, studies have revealed…”
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Depositional, diagenetic and stratigraphic aspects of Macaé Group carbonates (Albian): example from an oilfield from Campos Basin
Published in Brazilian journal of geology (01-06-2015)“…Carbonate rocks from the Macaé Group (Albian) represent an example of carbonate sedimentation related to the drift phase in Campos Basin. This study presents…”
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The sedimentary record of wet and dry eolian systems in the Cretaceous of Southeast Brazil: stratigraphic and paleogeographic significance
Published in Brazilian journal of geology (01-01-2019)“…Abstract Sedimentologic and stratigraphic studies of paleo-deserts from the Brazilian Cretaceous are of great potential to understand the paleoclimate and…”
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Tracking triggering mechanisms for soft-sediment deformation structures in the Late Cretaceous Uberaba Formation, Bauru Basin, Brazil
Published in Brazilian journal of geology (01-01-2020)“…Abstract Soft-sediment deformation (SSD) structures are widespread in the sedimentary record, and numerous triggering mechanisms can induce its development,…”
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Mechanical stratigraphy and structural control of oil accumulations in fractured carbonates of the Irati Formation, Paraná Basin, Brazil
Published in Brazilian journal of geology (01-01-2020)“…Abstract Fracturing analysis of low-permeability rocks as reservoir analogs have increased in recent years. The main mechanism involved in the development of…”
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Correlations of some Neoproterozoic carbonate-dominated successions in South America based on high-resolution chemostratigraphy
Published in Brazilian journal of geology (01-09-2016)“…This report reviews and incorporates new elemental and isotope chemostratigraphic data for correlation of Neoproterozoic carbonate-dominated successions in…”
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Comments on “Devonian to Permian post-orogenic denudation of the Brasília Belt of West Gondwana: Insights from apatite fission track thermochronology” by Fonseca et al. (2020)
Published in Journal of geodynamics (01-01-2022)“…In a recent paper published in the Journal of Geodynamics (vol. 137, June 2020, 101733), Fonseca et al. (2020) proposed a thought-provoking model aiming to…”
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The Permian Tiaraju bivalve assemblage, Passa Dois Group, southern Brazil: biostratigraphic and paleobiogeographic significance
Published in Brazilian journal of geology (01-06-2017)“…Permian bivalves of the Paraná Basin evolved in a large inland sea, under conditions of extreme isolation and environmental stress. Although known since 1918,…”
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Towards an actualistic view of the Crato Konservat-Lagerstätte paleoenvironment: A new hypothesis as an Early Cretaceous (Aptian) equatorial and semi-arid wetland
Published in Earth-science reviews (01-05-2021)“…An alternative hypothesis concerning the paleoecological and paleoenvironmental depositional conditions of the Crato Konservat-Lagerstätte (CKL), Crato…”
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A Permian methane seep system as a paleoenvironmental analogue for the pre-metazoan carbonate platforms
Published in Brazilian journal of geology (01-12-2017)“…Following the rise of metazoans, the beginning of bioclasticity and substrate competition, the saga of microbial mats was in a fluctuating decline in the end…”
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Vertebrate paleoburrow as a seasonality indicator in early Cretaceous Três Barras formation (Brazil)
Published in Journal of South American earth sciences (01-12-2024)“…Vertebrate burrows serve as windows into the past, revealing the activities of various organisms and providing clues about their paleoenvironmental conditions…”
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Origin and significance of macroscopic organic aggregates from the lacustrine Aptian Crato Konservat-Lagerstätte
Published in Sedimentary geology (01-08-2024)“…The Crato Konservat-Lagerstätte is one of the main Mesozoic fossil sites from Gondwana, recording a wide diversity of terrestrial and non-marine aquatic…”
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Global or regional? Constraining the origins of the middle Bambuí carbon cycle anomaly in Brazil
Published in Precambrian research (15-09-2020)“…•Middle Bambuí positive δ13C excursion (MIBE) in a restricted basin.•Higher δ13Ccarb, δ13Corg, and δ34S signals during the MIBE.•δ13Ccarb and 87Sr/86Sr…”
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