Results 161 to 170 of about 14,980 (261)

Chemical characterization of C<sub>31</sub> sterols from sponges and Neoproterozoic fossil sterane counterparts. [PDF]

open access: yesProc Natl Acad Sci U S A
Shawar L   +6 more
europepmc   +1 more source

Provenance of Cambrian-Ordovician siliciclastic rocks of the Southwestern Iberia : insights to the evolution of the North Gondwana margin [PDF]

open access: yes, 2014
Chichorro, Martím A.   +8 more
core   +1 more source

Rebuilding Earth's first skeletal animals: the original morphology of <i>Corumbella</i> (Ediacaran, Brazil). [PDF]

open access: yesR Soc Open Sci
Becker-Kerber B   +9 more
europepmc   +1 more source

Tectonism rather than "snowball Earth" glaciation is responsible for the Great Unconformity. [PDF]

open access: yesProc Natl Acad Sci U S A
Zhan RR   +11 more
europepmc   +1 more source

Age contraints and isotope signature of the Ediacaran Pb-Zn and Cu-epithermal deposits

open access: green, 2019
Lucy Takehara   +5 more
openalex   +1 more source

Zircon U-Pb geochronology, Sm-Nd and Pb-Pb isotope systematics of Ediacaran post-collisional high-silica Acampamento Velho volcanism at the Tupanci area, NW of the Sul-Rio-Grandense Shield, Brazil [PDF]

open access: diamond, 2017
Carlos Augusto Sommer   +8 more
openalex   +1 more source

Water circulation, redox, and productivity dynamics shaped late Ediacaran ecosystems: Insights from trace elements and combined Sr–Cr–Cd isotopes in the Corumbá Group, Brazil

open access: hybrid
Henrique Albuquerque Fernandes   +11 more
openalex   +1 more source

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