Carried by Lamont-Doherty Earth Observatory (LDEO) of Columbia University, the Petrological Database of the Ocean Floor is a National Science Foundation (NSF) funded research project that includes over 30,000 samples and over 700,000 chemical values from oceanic stations throughout the world. Samples can be searched by location, expedition name, ship name, sample characteristics, reference, or by...

The Lamont-Doherty Earth Observatory Deep-Sea Sample Repository archives sediment and rock deep-sea core data for marine geology and oceanographic research and education. Students can learn about the process of taking the cores, the characteristics of the specimens collected, and their benefits. Researchers can search over 300 datasets for cores sites, mineralogy, micropaleontology, and other core...