Results 61 to 70 of about 3,539 (164)

Palynostratigraphy, Paleoenvironments and Kerogen Evaluation of the Campanian-Maastrichtian Enugu Shale, Anambra Basin, Nigeria

open access: yesFountain Journal of Natural and Applied Sciences (FUJNAS), 2020
Palynological and palynofacies analyses were used to investigate the paleoenvironments and hydrocarbon potential of the Campanian-Maastrichtian Enugu Shale, Anambra Basin, Nigeria.
M. A. Olayiwola   +2 more
doaj   +1 more source

The casa colorada formation at the Quebrada de Moya (cambrian-ordovician): contributions to the chronostratigraphy of a classical locality in the cordillera oriental of Jujuy (argentina) [PDF]

open access: yes, 2007
La Formación Casa Colorada constituye una potente secuencia silicoclástica aflorante en el sector medio de la quebrada de Humahuaca en la provincia de Jujuy.
Aceñolaza, Guillermo Federico   +2 more
core  

The stratigraphy of a Late Palaeozoic borehole section at Douglas River, eastern Tasmania: a synthesis of marine macro-invertebrate and palynological data [PDF]

open access: yes, 1984
A section 236.8 m in thickness of Late Palaeozoic (Late Carboniferous-Permian) rocks of the Lower Parmeener Super-Group was encountered in a borehole at Douglas River, eastern Tasmania.
Calver, CR, Clarke, MJ, Truswell, EM
core   +2 more sources

Tropical Warming and Intensification of the West African Monsoon During the Miocene Climatic Optimum

open access: yesPaleoceanography and Paleoclimatology, Volume 39, Issue 5, May 2024.
Abstract Studying monsoon dynamics during past warm time periods such as the Miocene Climatic Optimum (MCO; ∼16.9–14.5 Ma) could greatly aid in better projecting monsoon intensity, in the context of future greenhouse warming. However, studies on regional MCO temperature change and its effect on the monsoons during this time period are lacking. Here, we
Evi Wubben   +11 more
wiley   +1 more source

Paleontological evidence for Late Cambrian in the Arburese area, SW Sardinia

open access: yesCarnets de Géologie, 2005
New palynological investigations allowed a better definition of the age of terrigenous deposits of the Monte Fonnesu tectonic Unit, exposed in the Arburese area (SW Sardinia).
Musumeci Giovanni   +3 more
doaj  

Systematic Revision of Elektoriskos williereae and Dilatosphaera williereae (Acritarchs) and its Bearing on Silurian (Llandoverian) Stratigraphy [PDF]

open access: yes, 1989
Revision of Elektoriskos williereae (G. & M. DEFLANDRE) VANGUESTAINE, 1979 and Dilatisphaera williereae (MARTIN) LISTER, 1970, the primary types Of which come from the Brabant Massif in Belgium, underlines the evidence for their stratigraphic value in ...
Martin, F.
core  

The Jurassic/Cretaceous boundary and high resolution biostratigraphy of the pelagic sequences of the kurovice section (Outer Western Carpathians, the northern Tethyan margin) [PDF]

open access: yes, 2019
Microfacies and high resolution studies at the Kurovice quarry (Czech Republic, Outer Western Carpathians) on calpionellids, calcareous and non-calcareous dinoflagellate cysts, sporomorphs and calcareous nannofossils, aligned with paleomagnetism, allow ...
Elbra, Tiiu   +6 more
core   +1 more source

New biostratigraphic and chronostratigraphic data from the Sautou formation and adjacent strata (Cambrian, Givonne inlier, Revin group, Northern France) and some lithostratigraphic and tectonic implications [PDF]

open access: yes, 2005
In the western part of the Givonne Inlier, the “Falizette” and the “Claire-Terne de la Borne” rivers exhibit sections described as belonging, in ascending order, to the La Chapelle (Rv2), Illy (Rv3) and Sautou (Rv4) Formations.
Léonard, R., Vanguestaine, M.
core  

Palynological age constraint of Les Vilelles unit, Catalan Coastal Chain, Spain [PDF]

open access: yes, 2017
The Les Vilelles unit is a detrital sequence exposes at the southwestern margin of the Catalonian Coastal Range, NE Spain, below the Carboniferous turbiditic series.
González, F.   +3 more
core   +1 more source

The effects of lecture speed and note‐taking on memory for educational material

open access: yesApplied Cognitive Psychology, Volume 38, Issue 1, January/February 2024.
Abstract The use of pre‐recorded lecture videos as a primary mode of instruction during online learning has allowed students flexibility in how they self‐regulate their learning. Although increasing lectures up to 2x speed has little cost on memory, it is unknown whether note‐taking at increased speeds interacts with memory.
Ashley Chen   +4 more
wiley   +1 more source

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