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Large Berg Scour
S 77° 34.302' ...E 163° 30.702'

The scour is a natural experiment in faunal succession. An iceberg ran aground here in 1993, scraping away all of the organisms that lived on the seafloor.
Our recent DNA-based survey of Explorers Cove foraminifera found that this site had a very large number of previously-undescribed species.

The column of water here is sinking because it's heavy with salt. These hypersaline flows are what create anoxic pits in low places in the seafloor. Notice the "scraped raw" look of the benthos here.

Photo Credit: Steve Alexander