Snowballs in Africa: sectioning a long-lived Neoproterozoic carbonate platform and its bathyal foreslope (NW Namibia)
Abstract Otavi Group is a 1.5–3.5-km-thick epicontinental marine carbonate succession of
Neoproterozoic age, exposed in an 800-km-long Ediacaran− Cambrian fold belt that rims …
Neoproterozoic age, exposed in an 800-km-long Ediacaran− Cambrian fold belt that rims …
Cryogenian cap carbonate models: A review and critical assessment
Abstract The Cryogenian Period spans two major glaciations, the Sturtian Ice Age (~ 720–
660 Ma) and the Marinoan Ice Age (~ 650–635 Ma), the termination of each of which was …
660 Ma) and the Marinoan Ice Age (~ 650–635 Ma), the termination of each of which was …
Lithium isotope evidence for a plumeworld ocean in the aftermath of the Marinoan snowball Earth
The snowball Earth hypothesis predicts that continental chemical weathering diminished
substantially during, but rebounded strongly after, the Marinoan ice age some 635 Mya …
substantially during, but rebounded strongly after, the Marinoan ice age some 635 Mya …
Widespread clay authigenesis and highly congruent silicate weathering in the Marinoan aftermath
The termination of the Cryogenian period marks a transition from an extreme ice-to a
greenhouse climate, likely initiated by increased atmospheric CO 2, however uncertainties …
greenhouse climate, likely initiated by increased atmospheric CO 2, however uncertainties …
Conodont calcium isotopic evidence for multiple shelf acidification events during the Early Triassic
The marine calcium (Ca) cycle is controlled by rates of continental weathering, seawater pH,
and carbonate deposition on the seafloor and is linked to atmospheric CO 2, climate …
and carbonate deposition on the seafloor and is linked to atmospheric CO 2, climate …
Palaeo-environmental significance of fibrous carbonate cement in Marinoan cap carbonates
Y Hu, C Cai, P Sun, H Zhang, Z Liu, Y Li… - Marine and Petroleum …, 2023 - Elsevier
Marinoan cap carbonates are the first sedimentary rocks deposited after the Marinoan
Snowball Earth glaciation and likely record the marine geochemical signals across the …
Snowball Earth glaciation and likely record the marine geochemical signals across the …
Calcium isotopes in deep time: Potential and limitations
Calcium is an essential element in the biogeochemical cycles that regulate the long-term
climate state of Earth. The removal of CO 2 from the ocean-atmosphere system is controlled …
climate state of Earth. The removal of CO 2 from the ocean-atmosphere system is controlled …
Application of the δ44/40Ca-δ88/86Sr multi-proxy to Namibian Marinoan cap carbonates
Several studies have exploited the stable calcium (Ca) and strontium (Sr) isotope
compositions of marine carbonate rocks to investigate ancient carbon cycle dynamics …
compositions of marine carbonate rocks to investigate ancient carbon cycle dynamics …
[HTML][HTML] Stromatolites as geochemical archives to reconstruct microbial habitats through deep time: Potential and pitfalls of novel radiogenic and stable isotope …
Understanding the origin and evolution of life on Earth and potentially other planets in our
solar system is of fundamental interest for humanity. For the longest time in Earth's history …
solar system is of fundamental interest for humanity. For the longest time in Earth's history …
Oxygen increase and the pacing of early animal evolution
K Kaiho, A Shizuya, M Kikuchi, T Komiya… - Global and Planetary …, 2024 - Elsevier
While it is widely accepted that early animals originated and primarily evolved during the
Neoproterozoic to Cambrian period, there remains ongoing debate over how fluctuations in …
Neoproterozoic to Cambrian period, there remains ongoing debate over how fluctuations in …