Sentences with phrase «from hydrothermal circulation»
Knowing that strontium derived from land shows a slightly higher ratio of strontium 87 than strontium derived from hydrothermal circulation, the scientists compared isotopes in each type of barite.
https://www.sciencedaily.com/ Not exact matches
«Hydrothermal siphon» drives water circulation through seafloor: New study explains previous observations of ocean water flowing through the seafloor from one seamount to another.»
Given that the tubules seem to be associated with fractures and water - cooled margins within the rocks, the researchers propose that hydrothermal activity — the local circulation of heated water, common after impacts — could have allowed microbial colonization of the glass from the surrounding environment.
The new study determined that the methane contained in the fluid leached from sub-seafloor rocks, and was not formed through hydrothermal vent circulation, as had been previously thought.