Results 51 to 60 of about 828 (135)

Cambios en la vegetación durante el Holoceno en la región Norte del Iberá, Corrientes, Argentina

open access: yesRevista de Biología Tropical, 2011
Los humedales son sitios de gran importancia para los estudios palinológicos, ya que representan uno de los ambientes más idóneos para la preservación del polen fósil.
Lionel Fernández Pacella   +2 more
doaj  

THE PERMIAN -TRIASSIC BOUNDARY, DEAD SEA, JORDAN: TRANSITIONAL ALLUVIAL TO MARINE DEPOSITIONAL SEQUENCES AND BIOSTRATIGRAPHY

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2016
The Permian to Triassic transition in Jordan is characterised by a sequence boundary underlain by red-bed, alluvial lithofacies deposited in a humid-tropical climate by low-sinuosity rivers, and overlain by shallow marine siliciclastics with thin ...
JOHN H. POWELL   +5 more
doaj   +1 more source

The Nossa Senhora da Luz flora from the Early Cretaceous (early Aptian-late Albian) of Juncal in the western Portuguese Basin

open access: yesActa Palaeobotanica, 2018
A new fossil flora is described from the Early Cretaceous of the western Portuguese Basin, based on a combined palynological-mesofossil study. The fossil specimens were extracted from samples collected in the Nossa Senhora da Luz opencast clay pit ...
MÁRIO MIGUEL MENDES, ELSE MARIE FRIIS
doaj   +1 more source

Middle to Late Holocene Variations in Salinity and Primary Productivity in the Central Baltic Sea: A Multiproxy Study From the Landsort Deep

open access: yesFrontiers in Marine Science, 2019
Anthropogenic forcing has led to an increased extent of hypoxic bottom areas in the Baltic Sea during recent decades. The Baltic Sea ecosystem is naturally prone to the development of hypoxic conditions due to its geographical, hydrographical, geological,
Falkje van Wirdum   +9 more
doaj   +1 more source

Palynological evidence for Campanian-Maastrichtian age and transitional marine environment of the Patti formation, Ahoko, southern Bida Basin, Nigeria

open access: yesDiscover Geoscience
A palynological study of fourteen road cut samples from the Patti Formation in Ahoko, southern Bida Basin (along the Lokoja-Abuja Expressway), was conducted to determine the age, biozone, and depositional environment of the sedimentary succession ...
Olubusayo Akinyele Olatunji   +4 more
doaj   +1 more source

Palynological and Stratigraphical Problems of Middle Triassic Siliciclastics from Croatian Off-shore Well Susak More-1 (Adriatic Sea) and NW Slovenia

open access: yesGeologia Croatica, 2010
The palynological assemblages from Slovenian Middle Triassic sections and Susak More-1 off-shore well always contain Permian, Scythian and Scythian-Lower Anisian palynomorphs.
Georg Jerinić, Bogomir Jelen
doaj   +1 more source

Exploring the micromorphological diversity of palynomorphic flora from lesser Himalaya biodiversity hotspot

open access: yesNotulae Botanicae Horti Agrobotanici Cluj-Napoca
Palynology, a prominent field in plant systematics and biodiversity studies, plays a vital role in identifying and determining the plant species present in a specific region.
Kainat KANWAL   +14 more
doaj   +1 more source

Mesozoic phytoclast records in the Sriperumbudur (Palar Basin), Kota (Chintalapudi Sub-Basin) and Dubrajpur (Rajmahal Basin) formations, India

open access: yesGeologia USP. Série Científica, 2016
The studies of fossil plant cuticles in palynological samples recovered from three cored boreholes located in the Indian states of Andhra Pradesh (Kota/Gangapur Formation, Chintalapudi Sub-basin, Godavari Graben, Jurassic–Cretaceous), Tamil Nadu ...
Sarah Gonçalves Duarte   +5 more
doaj   +1 more source

Biochronostratigraphy and paleoenvironment analysis of Neogene deposits from the Pelotas Basin (well 2-TG-96-RS), Southernmost Brazil

open access: yesAnais da Academia Brasileira de Ciências, 2015
This paper presents the integration of micropaleontological (palynology and foraminifera) and isotopic (87Sr/86Sr) analysis of a selected interval from the well 2-TG-96-RS, drilled on the onshore portion of the Pelotas Basin, Rio Grande do Sul, Brazil. A
WAGNER G. SILVA   +3 more
doaj   +1 more source

Registro de Floresta Ombrófila Mista nas regiões sudoeste e sul do Estado do Paraná, Brasil, durante o Pleistoceno/Holoceno

open access: yesHoehnea
Dentre as formações florestais do sul e sudeste do Brasil, a Floresta Ombrófila Mista é considerada uma das mais sensíveis às variações climáticas. Vários estudos paleoambientais buscam identificar em que época esse tipo de floresta se estabeleceu no sul
Édson Bertoldo   +2 more
doaj   +1 more source

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