Scenic Red Rock Canyon hides amid the scruffy slopes of the Santa Monica Mountains, not far from the San Fernando Valley communities of Woodland Hills and Calabasas. Slabs of cavernous sandstone and ...

Scientists at the Tucson-based Planetary Science Institute (PSI) have found further evidence for the large role that water has likely played in shaping the Martian landscape. Their results, which will ...

DURING the last few years very much good work has been done on the genesis of ore deposits, and the Transactions of the various scientific and technical institutes interested in this branch of study ...

Some comments and discussion in a recent post about stratigraphy motivated me to finish this post about the future of sedimentary geology, which I started a few months ago but never finished. The fact ...

Marine barite extracted from deep-sea sediment cores, seen here in a scanning electron microscope image, provides a record of variations in ocean chemistry over geologic time. (Image by Adina Paytan) ...

Intro -- Preface -- Acknowledgements -- Contents -- Editors and Contributors -- Precambrian Microfossils: Indicators of Early Life and Environments on the Earth -- 1 Introduction -- 2 Indian ...

A new analysis of strontium isotopes in marine sediments has enabled scientists to reconstruct fluctuations in ocean chemistry related to changing climate conditions over the past 35 million years.