Results 141 to 150 of about 1,278 (244)

Determination of the series of even carbon numbered n-alk-1-enes trapped inside geomacromolecules [PDF]

open access: yes, 2014
Cheng, Bin   +4 more
core   +1 more source

Calibrating the temporal and spatial dynamics of the Ediacaran - Cambrian radiation of animals [PDF]

open access: yes, 2022
Bowyer, Fred T.   +9 more
core   +1 more source

Uranium Isotope Variations Across Key Evolutionary Intervals in Geological History [PDF]

open access: yes, 2018
: There is a growing body of evidence that the evolving redox structure of the oceans has been an important influence on the evolutionary trajectory of animals.

core  

First Report of Small Skeletal Fossils from the Upper Guojiaba Formation (Series 2, Cambrian), Southern Shaanxi, South China. [PDF]

open access: yesBiology (Basel), 2023
Luo M   +8 more
europepmc   +1 more source

The Rise of Proterozoic Diagenetic Spheroids Formed by Chemically Oscillating Reactions and Stimulated by Environmental Redox Changes [PDF]

open access: yes
Diagenetic spheroids are rounded mineralised structures in sedimentary rocks that span several orders of size dimensions. These objects include rosettes spanning tens of micrometres; millimetre-sized granules; and centimetre- to metre-scale botryoids ...
Buma-at, Princess, Papineau, Dominic
core  

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