Results 151 to 160 of about 16,111 (210)

The Rise of Algae promoted eukaryote predation in the Neoproterozoic benthos. [PDF]

Sci Adv
Mills DB, Vuillemin A, Muschler K, Coskun ÖK, Orsi WD.   +4 more
europepmc   +1 more source

Litho-structural mapping using remote sensing, petrographic characterization, and SEM/EDX mineralization analysis: insights from the Arabian-Nubian Shield. [PDF]

Sci Rep
El-Awny H, Abdel-Rahman AM, Abd El-Wahed MA, Hamed HG, Fahmy W, El-Sherif A, Csámer Á, Shebl A.   +7 more
europepmc   +1 more source

The chitin raft hypothesis for the colonization of the open ocean by cyanobacteria. [PDF]

Philos Trans R Soc Lond B Biol Sci
Braakman R.
europepmc   +1 more source

Benthic diel oxygen variability and stress as potential drivers for animal diversification in the Neoproterozoic-Palaeozoic. [PDF]

Nat Commun
Hammarlund EU, Bukkuri A, Norling MD, Islam M, Posth NR, Baratchart E, Carroll C, Amend SR, Gatenby RA, Pienta KJ, Brown JS, Peters SE, Hancke K.   +12 more
europepmc   +1 more source

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Neoproterozoic of Laurentia

2023
ABSTRACT Neoproterozoic to Cambrian isolation of Laurentia during the breakup of Rodinia was associated with multiple large igneous provinces, protracted multiphase rifting, and variable subsidence histories along different margin segments. In this contribution, we develop a paleogeographic model for the Neoproterozoic tectonic evolution
Francis A. Macdonald, W. Adolph Yonkee, Rebecca M. Flowers, Nicholas L. Swanson-Hysell   +3 more
openaire   +1 more source

Climate of the Neoproterozoic

Annual Review of Earth and Planetary Sciences, 2011
The Neoproterozoic is a time of transition between the ancient microbial world and the Phanerozoic, marked by a resumption of extreme carbon isotope fluctuations and glaciation after a billion-year absence. The carbon cycle disruptions are probably accompanied by changes in the stock of oxidants and connect to glaciations via changes in the ...
Pierrehumbert, R., Abbott, D., Voigt, A., Koll, D.   +3 more
openaire   +2 more sources

A Neoproterozoic Snowball Earth

Science, 1998
Negative carbon isotope anomalies in carbonate rocks bracketing Neoproterozoic glacial deposits in Namibia, combined with estimates of thermal subsidence history, suggest that biological productivity in the surface ocean collapsed for millions of years.
, Hoffman, , Kaufman, , Halverson, , Schrag   +3 more
openaire   +2 more sources

Rare earth element geochemistry of Australian Neoproterozoic carbonate: Constraints on the Neoproterozoic oxygenation events

Precambrian Research, 2019
Carbonate successions are principal geochemical archives of the extraordinary environmental changes that occurred during the Neoproterozoic Era. In this study, we present a stratigraphic record of carbonate rare earth element (REE) compositions from Neoproterozoic and Cambrian strata in central and southern Australia.
Jack Ward, Ai Duc Nguyen
exaly   +5 more sources

Learning to tell Neoproterozoic time

Precambrian Research, 2000
In 1989, the International Commission on Stratigraphy established a Working Group on the Terminal Proterozoic Period. Nine years of intensive, multidisciplinary research by scientists from some two dozen countries have markedly improved the framework for the correlation and calibration of latest Proterozoic events.
openaire   +2 more sources

Neoproterozoic magmatism in eastern Himalayan terrane

Science Bulletin, 2017
Geochronological investigation on gneisses of granitic to leucogranitic compositions in Cuona, south Tibet, reveal that their protoliths formed at 808.8±7.9-816.4±3.4Ma and 855.8±7.0Ma, respectively. Zircon rims from the granitic gneiss record a metamorphic age of 739.4±4.3Ma.
Yuhua, Wang, Lingsen, Zeng, Li-E, Gao, Chunli, Guo, Kejun, Hou, Lifei, Zhang, Wei, Wang, Huiyi, Sun   +7 more
openaire   +2 more sources