Dissolved silicate, phosphate, nitrate, and oxygen as well as salinity and temperature were observed in several regions around the Antilles Arc and in the Woods Hole-Bermuda area. It is shown that silicate is generally in low concentration in surface waters, where its ratio to phosphate, nitrate and oxygen consumption is variable....
Richards, Francis A.. 1958. "Dissolved silicate and related properties of some western North Atlantic and Carribean Waters." Journal of Marine Research 17, (1). https://elischolar.library.yale.edu/journal_of_marine_research/935