Sentences with phrase «sample old layers»
These cylinders of ice let scientists sample old layers of the ice to better understand the climate of the past.
https://www.scientificamerican.com/ Not exact matches
For example, Aubert and his team took 55 samples of the layers of the calcite popcorn, showing that they formed a sort of ministratigraphic sequence in which the layers closest to the art were oldest and the top layers were the youngest.
She dated 28,500 individual grains from 56 samples, checking to be sure that the dates were in proper order, growing older from top to bottom layers.
For that reason, the sediment signature linked to prehistoric earthquakes may look a little different from that seen with the Cape Ann event, and Monecke and her colleagues are hoping to sample even older layers of New England lakes to continuing building their record of past earthquakes.
«The paintings layer text in various styles over imagery, including lace overlays, gauzy close - ups of the female body and a sampling of styles from the old - boy - painting network — de Kooning, Fontana, Guston, Morris Louis, Newman, Pollock and Richter,» Tompkins writes of the installation work.