... The scientists found the broadest range of oxygen isotopic variation ever reported from marine sediments, which they attribute to melting waters in ice sheets as well as destabilization of clathrates ...
... antibacterial-fabric coatings.
The researchers found that a certain strain of bacteria isolated from marine sediments produces large quantities of bright red pigments called prodiginines that can ...
... dry tropical forest.
Previous studies placed marine sediment as the youngest layers, suggesting the peninsula was ... years ago.
Deep-sea deposits in one sediment layer suggest a short-lived strait may ...
... , cadmium and zinc and scientists use them as a 'test organisms' for assessing the toxicity of marine sediments, says Ms Chung. "They accumulate heavy metals inside their tissues and scientists use ...
... Research in Bremen (Germany) and the Alfred-Wegener-Institute in Bremerhaven (Germany) studied a marine sediment core off the coast of Northwest Africa to find out how the vegetation cover and ...
... ."
The creature must have stepped lightly onto the soft marine sediment, because its legs only pressed shallow pinpoints into that long-ago sea bed. But when Babcock flipped over the ...
... were interrupted by a shift that was larger and more rapid than anything previously documented in marine sediments. This shift happened precisely at the time of the largest disturbance to the global ...
... river empties into a body of water. It dumps sediments and builds a flat plain—the delta—that is within ... 000 years, subsequently overlaid by fine marine sediments, followed by the modern delta deposits ...
... en los ciclos del carbono y nutrientes" (Accumulation and preservation of organic matter in marine sediments: implications in the cycles of carbon and nutrients), under the supervision of Professors ...
... programme in the utmost northeast of Russia during the last six months to retrieve several hundred metres of marine sediments, impact breccias and permanently frozen soil. These make ...
... so we needed to look elsewhere."
The "where" was in marine sediments entombed when the North Atlantic Ocean ... sediment cores give us a very precise chronology of the changes in the dominant land plants ...
... groundwater, river water, drinking water, open ocean water, soil humates, lake sediments and marine sediments, the researchers say.
They have now used acclimation and enrichment techniques to ...
... -like organisms - preserved in late Cretaceous marine sediments. In modern oceans, diatoms play ... size distribution of clay and sand grains in the sediment points to the formation of sea ice in shallow ...
... assistant professor of geobiology, California Institute of Technology, incubated a variety of marine sediments to determine if there were microbes that could convert methane to carbon dioxide without ...
... appeared when they did.
"It is most unexpected that these first fossils do not come from marine sediments," Kennedy said. "It is possible, too, that similarly aged or older organisms also existed in ...