This study provides a comprehensive and quantitative estimate of how global temperatures
have changed during the last 540 million years. It combines paleotemperature …

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> …

The cause of the end-Cretaceous mass extinction is vigorously debated, owing to the
occurrence of a very large bolide impact and flood basalt volcanism near the boundary …

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 …

Negative carbon isotope anomalies in carbonate rocks bracketing Neoproterozoic glacial
deposits in Namibia, combined with estimates of thermal subsidence history, suggest that …

Variations in the carbon isotopic compositions of marine carbonate and organic carbon
provide a record of changes in the fraction of organic carbon buried through time and may …

The Devonian Period was characterized by major changes in both the terrestrial biosphere,
eg the evolution of trees and seed plants and the appearance of multi–storied forests, and in …

Stable isotopic data from marine limestones and their constituent fossils and marine
cements can provide quantitative evidence for changes in global climate and ocean …

Sr and C isotopic data obtained on stratigraphic suites of well-preserved marine limestone
from Siberia, Namibia, Canada, Svalbard and East Greenland provide a relatively detailed …

Carbonate rocks from the Middle Ediacaran period in locations all over the globe record the
largest excursion in carbon isotopic compositions in Earth history. This finding suggests a …