Sentences with phrase «of sediment slices»
When he ran an FTIR analysis on one of the sediment slices, the sample's infrared signature showed that the cave material had been heated to between 750 and 1,300 degrees Fahrenheit.
http://discovermagazine.com/ Not exact matches
We see the deep past here through narrow temporal and spatial windows — walk a mile in any direction and you are either hundreds of thousands of years earlier or later because you are walking on eroding sediments from different slices of time.»
Might be some proxy for total primary productivity, or biomass, or respiration, or photosynthesis, or chemistry of diatom shells or lack thereof in each slice of the sediment core.
Within the thick layers of green mud, they found slices of gray clay - rich sediment.
To reach further back, the team relied on natural stand - ins, or proxies, that include ice cores, ocean and lake sediments, mineralized «rings» from slices of stalactites or stalagmites in caves, coral growth rings, and tree rings.
Might be some proxy for total primary productivity, or biomass, or respiration, or photosynthesis, or chemistry of diatom shells or lack thereof in each slice of the sediment core.