Early diagenesis of marine organic matter dramatically impacts Earth's surface chemistry by
changing the burial potential of carbon and promoting the formation of authigenic mineral …

Carbonate concretions are widespread within the geological record. However, the lack of
recent known analogues creates a need for novel approaches to unravel the major microbial …

Much of our understanding of early eukaryote diversity and paleoecology comes from the
record of organic-walled microfossils in shale, yet the conditions controlling their …

Cadmium (Cd) isotopes are an emerging proxy for biological controlled metal and nutrient
cycling in the modern oceans, but its potential as a geochemical proxy in ancient …

The Xiaotan section, situated on the southwestern Yangtze Platform, South China, contains
an unusually expanded sedimentary record, spanning the upper Neoproterozoic to the …

Oxygenation exerted an important control on the emergence and diversification of
metazoans in the aftermath of the Marinoan glaciation. However, the relationship between …

Precipitation of cap carbonate lithologies is a key feature of Cryogenian global glaciations.
Negative carbonate carbon isotopic compositions (δ 13 C carb) of these cap carbonates …

Precambrian stromatolites record the origin and occurrence of life. The interpretation and
understanding about these ancient rocks are mostly focused on the studies of morphological …

Carbonaceous compression fossils in shales of the uppermost Doushantuo Formation (ca.
555–590 Ma) at Miaohe in the Yangtze Gorges area provide a rare Burgess-Shale-type …

Exceptionally preserved fossil biotas of the Burgess Shale and a handful of other similar
Cambrian deposits provide rare but critical insights into the early diversification of animals …