Sentences with phrase «wet sediments»
"Wet sediments" refers to layers of loose particles like sand, silt, or clay that have absorbed or contain water. Full definition
However, the researchers would need to measure the microbial activity in wet sediments beneath the ice sheets to firm up their hypothesis, Siegert says.
smithsonianmag.com
In September Curiosity found an outcrop of conglomerate rock, pebbles and gravel bound together by wet sediment.
Since desiccation mudcracks form only where wet sediment is exposed to air, their position closer to the center of the ancient lake bed rather than the edge also suggests that lake levels rose and fell dramatically over time.
Researchers suggested that it is possible that the water levels rose and fell dramatically over time since desiccated mudcracks can only occur when wet sediments are exposed to air and moisture has evaporated.
But I got weathered Into wet sediments Carried to the ocean There the little bits of me Layered with other sediments.
The chances of this occurring in wet sediments are reduced.»
Wet sediments are not as strong as dry ones, Stark said, and accounting for this detail will be an integral part of the next phase of this research, which was awarded a National Science Foundation grant.
These rocks, called conglomerates, are made of pebbles cemented together by once - wet sediments.
«The wet sediment slumps back into the crater and basically fills it in, so you get a pretty flat crater even to start with,» says Neish.