Results 151 to 160 of about 18,553 (211)

Dense MASW shear-wave imaging of weak-zone networks and preferential leachate pathways beneath rumah landfill site, central saudi arabia. [PDF]

Sci Rep
Abdelrahman K, Alarifi SS.
europepmc   +1 more source

A milestone in resolving the polyploid paradox. [PDF]

Plant Divers
Shi T, Zhao T.
europepmc   +1 more source

Mitochondrial Phylogenomics of Tenthredinidae (Hymenoptera: Tenthredinoidea) Supports the Monophyly of Eriocampinae stat. nov. [PDF]

Biology (Basel)
Wan S, Li X, Tan B, Wei M, Niu G.
europepmc   +1 more source

Integrated biostratigraphy of the Maastrichtian-Danian sequence in the southern Tethys with insights into paleoenvironmental implications. [PDF]

Sci Rep
El-Kahawy RM, Raafat A.
europepmc   +1 more source

Unlocking shale gas potential in the Sembar Formation through multi-analytical assessment and basin modeling, Central Indus Basin, Pakistan. [PDF]

Sci Rep
Ahmed A, Khan T, Mustapha KA, Jahandad S, Radwan AE, Khan MA.   +5 more
europepmc   +1 more source

The Paleocene radiation of calcareous nannoplankton

, 2020
openaire   +1 more source

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Paleocene stratigraphy in Egypt

Journal of African Earth Sciences, 2016
Abstract The Egyptian Paleocene is widely distributed with vertical and lateral facies changes geographically separated and subject to different tectonic and sedimentary regimes. Five coeval facies associations of the Paleocene outcrops are identified and named from south to north: Garra El-Arbain, Nile Valley, Farafra, Sinai, and Southern Galala ...

exaly   +2 more sources

Nitrification in Paleocene Shale

Science, 1974
Exchangeable ammonium nitrogen is present in Paleocene (Fort Union) shale below a depth of 10 meters in North Dakota and eastern Montana. Above 10 meters, exchangeable ammonium nitrogen is nitrified in situ. The lack of viable nitrifying organisms and the probable lack of oxygen prevent in situ nitrification below 10 meters.
J F, Power, J J, Bond, F M, Sandoval, W O, Willis   +3 more
openaire   +2 more sources

Mechanisms of Climate Warming at the End of the Paleocene

Science, 1999
An abrupt episode of global warming marked the end of the Paleocene epoch. Oxygen and carbon isotope records from two widely separated sites support the notion that degassing of biogenic methane hydrate may have been an important factor in altering Earth's climate.
, Bains, , Corfield, , Norris
openaire   +2 more sources

Mammalian Dispersal at the Paleocene/Eocene Boundary

Science, 2002
A profound faunal reorganization occurred near the Paleocene/Eocene boundary, when several groups of mammals abruptly appeared on the Holarctic continents. To test the hypothesis that this event featured the dispersal of groups from Asia to North America and Europe, we used isotope stratigraphy, magnetostratigraphy, and quantitative biochronology to ...
Gabriel J, Bowen, William C, Clyde, Paul L, Koch, Suyin, Ting, John, Alroy, Takehisa, Tsubamoto, Yuanqing, Wang, Yuan, Wang   +7 more
openaire   +2 more sources