Editing Sediment (section)

===Biological considerations===
In July 2020, [[Marine biology|marine biologists]] reported that [[Aerobic organism|aerobic]] [[microorganism]]s (mainly), in "[[Suspended animation|quasi-suspended animation]]", were found in organically-poor sediments, up to 101.5 million years old, 250 feet below the [[Seabed|seafloor]] in the [[South Pacific Gyre]] (SPG) ("the deadest spot in the ocean"), and could be the [[List of longest-living organisms|longest-living life forms]] ever found.<ref name="NYT-2200728">{{cite news |last=Wu |first=Katherine J. |title=These Microbes May Have Survived 100 Million Years Beneath the Seafloor - Rescued from their cold, cramped and nutrient-poor homes, the bacteria awoke in the lab and grew. |work=The New York Times |url=https://www.nytimes.com/2020/07/28/science/microbes-100-million-years-old.html |date=28 July 2020 |access-date=31 July 2020 }}</ref><ref name="NC-20200728">{{cite journal |author=Morono, Yuki |display-authors=et al. |title=Aerobic microbial life persists in oxic marine sediment as old as 101.5 million years |date=28 July 2020 |journal=[[Nature Communications]] |volume=11 |number=3626 |page=3626 |doi=10.1038/s41467-020-17330-1 |pmid=32724059 |pmc=7387439 |bibcode=2020NatCo..11.3626M }}</ref>