Qual a idade mais antiga da Faixa Piritosa? Nova idade Givetiano inferior para o Grupo Filito-Quartzítico (Anticlinal de S. Francisco da Serra, Faixa Piritosa) [PDF]
, 2010 A análise palinoestratigráfica de xistos negros do Grupo Filito-Quartzítico, recolhidos na sondagem M-1, na região do Anticlinal de S. Francisco da Serra, no sector mais a oeste da Faixa Piritosa Ibérica, proporcionou a obtenção de uma associação de ...
Fernandes, Paulo +4 more
core
The palaeobiogeographical spread of the acritarch Veryhachium in the Early and Middle Ordovician and its impact on biostratigraphical applications [PDF]
, 2014 The genus Veryhachium Deunff, 1954, is one of the most frequently documented acritarch genera, being recorded from the Early Ordovician to the Neogene.
Li, Jun +5 more
core +2 more sources
The Triassic-Jurassic boundary in eastern North America [PDF]
Rift basins of the Atlantic passive margin in eastern North America are filled with thousands of meters of continental rocks termed the Newark Supergroup which provide an unprecedented opportunity to examine the fine scale structure of the Triassic ...
Comet, B., Olsen, P. E.
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Reconstruction of the primary organic productivity of Campano-Maastrichtian shales of Nkporo and Aptian-Albian Awi Formations, Calabar Flank using pigment yield index [PDF]
, 2018 Purpose. To derive the paleo organic productivity exemplified by the pigment yield index in order to resolve the controversy on the petroleum potentials of Nkporo and Awi Formations in Calabar Flank, Southeastern Nigeria. Methods. Twenty outcrop samples
Ibe, K, Ogwuche, C
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Palynostratigraphy of the Sanganeh Formation at the East and Central Kopeh-Dagh Basin based on dinoflagellate cysts [PDF]
Journal of Stratigraphy and Sedimentology Researches, 2015 The Sanganeh Formation (Lower Cretaceous) has cropped out across the Kopeh-Dagh Basin. The formation conformably overly the Aptian Sarcheshmeh Formation and is in turn overlain conformably by glauconitic sandstone of the Aitamir Formation. The considered
Ebrahim Ghasemi-Nejad +2 more
doaj +2 more sources
Jurassic Palynology from "The Dinosaur Coast" of Asturias (Lastres Fm., Northwestern Spain): Palynostratigraphical and Palaeoecological Insights. [PDF]
Biology (Basel), 2022 Santos AA +4 more
europepmc +1 more source
Evolution and relationships of the conifer seed cone telemachus: Evidence from the triassic of antarctica [PDF]
, 2010 The seed cone Telemachus is known from several Triassic localities in Gondwana. New specimens from two localities in Antarctica provide additional information about the type species, Telemachus elongatus, based on details of morphology and anatomy ...
Decombeix, Anne-Laure +3 more
core +3 more sources
Atmospheric CO2 forcing on Mediterranean biomes during the past 500 kyrs. [PDF]
Nat Commun, 2023 Koutsodendris A +14 more
europepmc +1 more source
The end-Cretaceous plant extinction: Heterogeneity, ecosystem transformation, and insights for the future. [PDF]
Camb Prism Extinct, 2023 Wilf P, Carvalho MR, Stiles E.
europepmc +1 more source
Journal of Nigerian Society of Physical SciencesLitho-sections along Okpekpe, Imiegba, and environs have been studied for their textural and microfossil contents to elucidate this recently exposed lithostratigraphic unit in the Benin Flank of the Anambra Basin.
Israel Aruoriwo Abiodun Etobro +1 more
doaj +1 more source