Sentences with phrase «called ancient sediment»

Not exact matches

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.

Trapped in ocean sediments near continents lie ancient reservoirs of methane called methane hydrates.

The researchers hope to learn if it was a Neanderthal or a Homo sapiens who roasted the pine, through an emerging technique called sediment aDNA (ancient DNA).

Ancient sediments that once resided on a lake bed and the ocean floor show sulfur isotope ratios unlike those found in other samples from the same time, calling into question accepted ideas about when the Earth's atmosphere began to contain oxygen, according to researchers from the U.S., Canada and Japan.

the calling - card of an ancient ice - age - an outcrop in Namibia of ancient (Proterozoic) glaciogenic sediments, overlain by a dolomitic «cap - carbonate» sequence of marine origin, deposited in warmer post-glacial conditions.