"Drill cores" refers to cylindrical rock samples obtained by drilling into the Earth's surface. It is typically done to examine the composition and structure of the rock layers and to gather data for various scientific or geological purposes.
Sentences with «drill cores»
To investigate the climate changes of the past, the scientists are studying drill cores from the eternal ice. (sciencedaily.com)
Such data on past sea level changes before the start of tide gauge measurements can be obtained from drill cores in coastal sediments. (realclimate.org)