The oxygen content of the Earth's surface environment is thought to have increased in two
broad steps: the Great Oxygenation Event (GOE) around the Archean–Proterozoic boundary …

The gradual discovery that late Neoproterozoic ice sheets extended to sea level near the
equator poses a palaeoenvironmental conundrum. Was the Earth's orbital obliquity> …

An Introduction to Organic Geochemistry explores the fate of organic matter of all types,
biogenic and man-made, in the Earth System. investigates the variety of pathways and …

An improved and updated version of the statistical LOWESS fit to the marine 87Sr/86Sr
record and a revised look-up table (V3: 10/99; available from j. mcarthur@ ucl. ac. uk) based …

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 …

Carbonate clumped isotope thermometry is a relatively new paleotemperature proxy based
on measurements of the degree of ordering of 13C and 18O into bonds with each other …

Glacial deposits of Sturtian and Marinoan age occur in the well-studied Neoproterozoic
successions of northern Namibia, South Australia, and northwestern Canada. In all three …

The terminal Ediacaran Period witnessed the decline of the Ediacara biota (which may have
included many stem-group animals). To test whether oceanic anoxia might have played a …

Ocean acidification triggered by Siberian Trap volcanism was a possible kill mechanism for
the Permo-Triassic Boundary mass extinction, but direct evidence for an acidification event …

Chemostratigraphy has diverse applications to investigating the rock record, such as
reconstructing paleoenvironments, determining the tectonic setting of sedimentary basins …