Sentences with phrase «not ancient sediments»

The rocks surrounding the preserved tissues didn't contain the carbon - rich compounds, further suggesting the chemical remnants stem from preserved soft tissues and not ancient sediments, the team reports online today in Nature.

Not exact matches

They had come to analyze ancient sediment layers, not to hunt dinosaurs.

Not everything from St. Paul Island is muddy: The team collected vegetation to compare it with ancient pollen and other clues to the environment stored in the sediment cores to learn how the island has changed over time

The probe from DeLong and Hinrichs, on the other hand, had worked right away: The Hydrate Ridge sediments were loaded with their methane eater, which is not a bacterium at all but a species of Archaea, an ancient group of microbes that diverged from bacteria billions of years ago and are as distinct from them now, genetically speaking, as humans are.

«The Gondwanides not only influenced how and where rivers flowed (depositing sediment), it also had a significant effect on the climate, and thus the ancient fauna of the Karoo Basin,» says Viglietti.

Researchers recently determined that the «burned» darkened wood and reddened sediments found at a site in northern Germany, now a coal mine called Schöningen, were really colored by water exposure and soil decomposition, not ancient flames.

By analyzing the sediments, scientists can predict how much coral and algae were present on mesophotic reef environment, this new information has important implications from interpreting ancient reef environments found in fossils, where the abundance of diverse habitat forming species can not be analyzed visually.

This study therefore shows that climate warming is not the only explanation of global ecological disasters in the past on Earth: it is important to continue analysing ancient marine sediments to gain a deeper understanding of the earth's climate system.

Not all ancient caldera sediments are loaded with lithium.

Scientists plumbing the depths of the central equatorial Pacific Ocean have found ancient sediments suggesting that one proposed way to mitigate climate warming — fertilizing the oceans with iron to produce more carbon - eating algae — may not necessarily work as envisioned.

Because we didn't have a systematic global set of thermometer measurements before the 1880s, scientists look at other things they can measure — sediment deposits, or tree ring growth in certain ancient, slow - growing trees — which tend to vary along with temperature.

Too bad at least one ancient civilization didn't have access to a sediment record like this.