Beach Sand Mining in Monterey Bay Causes a Dustup

California’s Monterey Bay boasts one of the nation’s most protected coastlines, situated within a federal sanctuary that imposes bans on everything from Jet Skis to offshore drilling. Yet most days, hundreds of tons of sand are harvested from one of its most picturesque beaches, in a mining operation now coming under increased state and local scrutiny.

Alluvial Fan in Kazakhstan

Mountain streams are usually confined to narrow channels and tend to transport sizable amounts of gravel, sand, clay, and silt, material that geologists call alluvium.

Aged Black Carbon In Marine Sediments, A Study

The study offers the first detailed analysis of how black carbon gets into deep ocean sediments, as well as an accounting of the types and amounts of black carbon found in those sediments.