Sentences with phrase «drilling cores collected»
Drilling cores collected in 2010 revealed clear annual layers, almost like tree rings, said geologist Steven Goldstein of Columbia University's Lamont - Doherty Earth Observatory.
https://news.nationalgeographic.com/ Not exact matches
Dr Bayrakci and the team will collect cores of rocks and take fluid and microbial samples using two specialist robot drills.
Now, using two deep cores collected at two Ocean Drilling Program sites in the Southern Ocean, Jaccard and colleagues have reconstructed ocean records of productivity and vertical overturning reaching back a million years, through multiple glacial - interglacial cycles.
«Due to the remoteness of the ice cap, we had to develop new tools such as a light - weight drill powered by solar panels to collect the 1983 cores.
UNSW Australia study author and Ph.D. candidate Katarina David (left) preserves samples of moist rock collected by drilling a 300 - meter deep core through the layers of sandstone and claystone near Sydney, for later testing in the laboratory.
However, drilling deeper to collect a longer ice core does not necessarily mean finding a core that extends further into the past.
In 2014, they embarked on an ocean voyage to the central equatorial Pacific Ocean, where they drilled into the sediment bed and collected six cores.
Sediment cores the team collected by drilling in front of the current Cosgrove Ice Shelf indicate that relatively warm ocean waters dissolved the vast ice shelf and even some of the glacier behind it about 2000 years ago, they recently reported.
To collect a record of the last 100 or so years, the scientists donned scuba gear and drilled cores from living boulder corals.
In recent years there have been many studies collecting data from ice cores in Greenland, sediments drilled from the ocean floor and from continental lakes, and so forth.
-- Upon notification by the department prior to commencement of drilling, the well operator shall collect any additional data specified by the department, including representative drill cuttings and samples from cores taken and any other geological information that the operator reasonably can compile.