Sentences with phrase «lake deposits»
Lake deposits refers to sediment or materials that accumulate at the bottom of a lake over time. It can include various substances such as sand, mud, silt, and organic matter. These deposits can provide valuable information about past environmental conditions and the history of the lake. Full definition
Case in point: Recently a cache of well - preserved fossils was found in ancient lake deposits in northeastern China and eastern Kazakhstan.
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Antarctica's Friis Hills in the central Dry Valleys of the eastern portion of the continent contains ancient lake deposits indicating that the area has remained frozen for 14 to 17.5 million years.
Lithium and lithium carbonate used in accumulators are primarily produced from salt lake deposits.
Its motherlode consists of extraordinarily high - grade uranium deposits in Saskatchewan: the McArthur River and Cigar Lake deposits account for roughly 80 % of its proven and probable reserves.
«Beryllium - 10 sticks on to particles quite easily and is associated with lake deposits,» Willenbring said.
A study of stomatal frequency in fossil leaves from Holocene lake deposits in Denmark, showing that 9400 years ago CO2 atmospheric level was 333 ppmv, and 9600 years ago 348 ppmv, falsify the concept of stabilized and low CO2 air concentration until the advent of industrial revolution [13].
An ice drilling pioneer, Oeschger was now measuring oxygen isotopes in glacial - era lake deposits near his home in Bern, Switzerland.
In a new study in Scientific Reports, University of Pennsylvania researchers use an innovative technique to date one of Antarctica's ancient lake deposits.
Lake deposits, fossilized plants and...
By measuring the number of spores in the lake deposits, the Wisconsin team documented the steady disappearance of large animals from 14,800 years to 13,700 years ago, they reported in Thursday's issue of Science.
The next clue to emerge from the lake deposits was the pollen of new plants including broad - leaved trees like oak.
Lake deposits have been dated as young as 5000 — 6000 bp.
(15) By 1960, three Lamont scientists — Broecker, Maurice Ewing, and Bruce Heezen — were reporting a variety of evidence, from deep - sea and lake deposits, that a radical global climate shift of as much as 5 - 10C had in fact taken place in less than a thousand years.