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Progress towards an improved Precambrian seawater 87Sr/86Sr curve
X Chen, Y Zhou, GA Shields - Earth-Science Reviews, 2022 - Elsevier
The secular trend of seawater strontium isotope ratio (87 Sr/86 Sr) reflects changes in the
relative contributions of continental versus mantle reservoirs to ocean composition, and …
relative contributions of continental versus mantle reservoirs to ocean composition, and …
No excessive crustal growth in the Central Asian Orogenic Belt: Further evidence from field relationships and isotopic data
A Kroener, V Kovach, D Alexeiev, KL Wang, J Wong… - Gondwana …, 2017 - Elsevier
We provide new field observations and isotopic data for key areas of the Central Asian
Orogenic Belt (CAOB), reiterating our previous assessment that no excessive crustal growth …
Orogenic Belt (CAOB), reiterating our previous assessment that no excessive crustal growth …
The tempo of Ediacaran evolution
The rise of complex macroscopic life occurred during the Ediacaran Period, an interval that
witnessed large-scale disturbances to biogeochemical systems. The current Ediacaran …
witnessed large-scale disturbances to biogeochemical systems. The current Ediacaran …
Snowball Earth climate dynamics and Cryogenian geology-geobiology
PF Hoffman, DS Abbot, Y Ashkenazy, DI Benn… - Science …, 2017 - science.org
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 …
Continental flood basalt weathering as a trigger for Neoproterozoic Snowball Earth
GM Cox, GP Halverson, RK Stevenson… - Earth and Planetary …, 2016 - Elsevier
Atmospheric CO 2 levels and global climate are regulated on geological timescales by the
silicate weathering feedback. However, this thermostat has failed multiple times in Earth's …
silicate weathering feedback. However, this thermostat has failed multiple times in Earth's …
[HTML][HTML] Sedimentary Ce anomalies: Secular change and implications for paleoenvironmental evolution
K Zhang, GA Shields - Earth-Science Reviews, 2022 - Elsevier
Although Ce anomalies are commonly used to reconstruct past seawater redox conditions,
published interpretations are based on various proxy materials and analytical approaches …
published interpretations are based on various proxy materials and analytical approaches …
[HTML][HTML] Locating the BACE of the Cambrian: Bayan Gol in southwestern Mongolia and global correlation of the Ediacaran–Cambrian boundary
The diversification of animals during the Cambrian Period is one of the most significant
evolutionary events in Earth's history. However, the sequence of events leading to the origin …
evolutionary events in Earth's history. However, the sequence of events leading to the origin …
Snowballs in Africa: sectioning a long-lived Neoproterozoic carbonate platform and its bathyal foreslope (NW Namibia)
PF Hoffman, GP Halverson, DP Schrag, JA Higgins… - Earth-Science …, 2021 - Elsevier
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 …
The grandest of them all: the Lomagundi–Jatuli Event and Earth's oxygenation
The Paleoproterozoic Lomagundi–Jatuli Event (LJE) is generally considered the largest, in
both amplitude and duration, positive carbonate C-isotope (δ 13Ccarb) excursion in Earth …
both amplitude and duration, positive carbonate C-isotope (δ 13Ccarb) excursion in Earth …
Evolution of the Central Asian Orogenic Belt along the Siberian margin from Neoproterozoic-Early Paleozoic accretion to Devonian trench retreat and a comparison …
Abstract The Central Asian Orogenic Belt (CAOB), the largest accretionary orogen on Earth,
has received considerable attention in the last 25 years. Various models have been …
has received considerable attention in the last 25 years. Various models have been …