Rhythmites of fossilized sedimentory laminae from the late Precambrian (∼680 Myears Ago) and current cycles of solar activity
Sign Up to like & getrecommendations! Published in 2020 at "Advances in Space Research"
DOI: 10.1016/j.asr.2020.08.011
Abstract: Abstract Palaeoclimatic data (thickness variations in the Elatina Formation periglacial varves in the Flinderes Range, South Australia) with a spatial resolution of about one year and a time period of about 1334 years dated to the… read more here.
Keywords: myears ago; solar activity; late precambrian; 680 myears ... See more keywords
Extreme variability in atmospheric oxygen levels in the late Precambrian
Sign Up to like & getrecommendations! Published in 2022 at "Science Advances"
DOI: 10.1126/sciadv.abm8191
Abstract: Mapping the history of atmospheric O2 during the late Precambrian is vital for evaluating potential links to animal evolution. Ancient O2 levels are often inferred from geochemical analyses of marine sediments, leading to the assumption… read more here.
Keywords: late precambrian; oxygen levels; variability atmospheric; extreme variability ... See more keywords
First Results of Dating Detrital Zircons from Late Precambrian Coarse Clastic Sequences of Ulutau Massif, Central Kazakhstan
Sign Up to like & getrecommendations! Published in 2018 at "Doklady Earth Sciences"
DOI: 10.1134/s1028334x18110028
Abstract: U–Pb geochronological studies of detrital zircons from the Late Precambrian coarse sequence of the Ulutau massif are studied. The concordant ages of detrital zircons from the Satan Fm. composing the lower part of the Ulutau… read more here.
Keywords: ulutau massif; detrital zircons; late precambrian; zircons late ... See more keywords