Results 61 to 70 of about 1,662,610 (136)

Sedimentology and chemostratigraphy of a Valanginian carbonate succession from the Baja Guajira Basin, northern Colombia

open access: yes, 2016
: The Kesima Member of the Palanz Formation constitutes the first record of Cretaceous marine sedimentation along the Baja Guajira Basin, northern Colombia. Sedimentologic and petrographic analyses suggest a deposition along a coral reef dominated rimmed
David Trujillo (6144665)   +5 more
core   +1 more source

Organic walled microfossils in wet peperites from the early Cretaceous Paraná-Etendeka volcanism of Brazil. [PDF]

open access: yesSci Rep, 2023
Del Mouro L   +10 more
europepmc   +1 more source

Absence of major vegetation and palaeoatmospheric pCO2 changes associated with oceanic anoxic event 1a (Early Aptian, SE France)

open access: yes, 2004
The deposition of organic-rich sediments during the late Early Aptian Oceanic Anoxic Event (OAE) 1a has been interpreted to result in a major decrease of palaeoatmospheric CO2 concentrations, accompanied by significant changes in the terrestrial flora ...
Herrle, J.O.   +4 more
core   +1 more source

Volcanism, CO2 and paleoclimate : a Late Jurassic-Early Cretaceous carbon and oxygen isotope record

open access: yes, 2004
A composite Tethyan Late Jurassic–Early Cretaceous carbon and oxygen isotope curve is presented. C-isotope data provide information on the evolution and perturbation of the global carbon cycle.
H. Weissert, E. Erba
core   +1 more source

Editorial: Assessing Microglial Function and Identity. [PDF]

open access: yesFront Immunol, 2021
Sierra A, Paolicelli RC.
europepmc   +1 more source

Continental flood basalts drive Phanerozoic extinctions. [PDF]

open access: yesProc Natl Acad Sci U S A, 2022
Green T, Renne PR, Keller CB.
europepmc   +1 more source

The David Hilton family near Weissert, Custer County, Nebraska.

open access: yes, 1887
Photographer's annotation: 'We did not want to show the old sod house to friends back east, but the young lady and mother wanted to prove they owned an organ.' See NEBRASKA HISTORY. magazine. Vol. X No. 4, Oct.-Dec. 1927, Pg. 323.
Solomon D. Butcher
core  

Interleukin-6 Receptor Blockade in Treatment-Refractory MOG-IgG-Associated Disease and Neuromyelitis Optica Spectrum Disorders. [PDF]

open access: yesNeurol Neuroimmunol Neuroinflamm, 2022
Ringelstein M   +49 more
europepmc   +1 more source

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