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 …
Snowball Earth climate dynamics and Cryogenian geology-geobiology
Geological evidence indicates that grounded ice sheets reached sea level at all latitudes
during two long-lived Cryogenian (58 and≥ 5 My) glaciations. Combined uranium-lead and …
during two long-lived Cryogenian (58 and≥ 5 My) glaciations. Combined uranium-lead and …
Neoproterozoic glacial origin of the Great Unconformity
The Great Unconformity, a profound gap in Earth's stratigraphic record often evident below
the base of the Cambrian system, has remained among the most enigmatic field …
the base of the Cambrian system, has remained among the most enigmatic field …
[HTML][HTML] The Cryogenian Ghaub Formation of Namibia–New insights into Neoproterozoic glaciations
T Bechstädt, H Jäger, A Rittersbacher… - Earth-Science …, 2018 - Elsevier
Abstract The Neoproterozoic Cryogenian ('Marinoan') Ghaub Formation of northwestern
Namibia represents an important founding pillar of the Snowball Earth hypothesis and its …
Namibia represents an important founding pillar of the Snowball Earth hypothesis and its …
Seawater-buffered diagenesis, destruction of carbon isotope excursions, and the composition of DIC in Neoproterozoic oceans
PF Hoffman, KG Lamothe - Proceedings of the National …, 2019 - National Acad Sciences
Carbonate sediments of nonglacial Cryogenian (659 to 649 Ma) and early Ediacaran (635 to
590 Ma) age exhibit large positive and negative δ13Ccarb excursions in a shallow-water …
590 Ma) age exhibit large positive and negative δ13Ccarb excursions in a shallow-water …
Cyclic cold climate during the Nantuo glaciation: Evidence from the Cryogenian Nantuo Formation in the Yangtze block, South China
Geological and paleomagnetic data indicate that the ice sheets might have extended to low-
latitude regions in the Cryogenian (720–635 Ma). The 'snowball Earth'hypothesis proposed …
latitude regions in the Cryogenian (720–635 Ma). The 'snowball Earth'hypothesis proposed …
Secular variation in seawater redox state during the Marinoan Snowball Earth event and implications for eukaryotic evolution
The ocean is hypothesized to have been anoxic throughout the Marinoan “Snowball Earth”
event, from ca. 649 to 635 Ma, with potentially catastrophic implications for the survival of …
event, from ca. 649 to 635 Ma, with potentially catastrophic implications for the survival of …
The Neoproterozoic Hüttenberg δ13C anomaly: genesis and global implications
The Neoproterozoic Hüttenberg Formation in northeastern Namibia records a remarkable δ
13 C carb positive excursion with a sustained plateau of values up to+ 12‰(ie, the …
13 C carb positive excursion with a sustained plateau of values up to+ 12‰(ie, the …
Ice-rafted dropstones in “postglacial” Cryogenian cap carbonates
Dropstones of ice-rafted origin are typically cited as key cold-climate evidence in
Cryogenian strata and, according to conventional wisdom, should not occur in postglacial …
Cryogenian strata and, according to conventional wisdom, should not occur in postglacial …
100 myr cycles of oceanic lithosphere generation in peri-Gondwana: Neoproterozoic–Devonian ophiolites from the NW African–Iberian margin of Gondwana and the …
Abstract The Variscan Orogen in Iberia and the Anti-Atlas Mountains in Morocco contains a
set of ophiolites formed between Neoproterozoic and Devonian times, during the complex …
set of ophiolites formed between Neoproterozoic and Devonian times, during the complex …