Papahānaumokuākea Marine National Monument 

Hohonu Moana: Exploring the Deep Waters Off Hawaiʻi

NOAA expedition EX1603 sampled seamounts in the deep waters of the Papahānaumokuākea Marine National Monument of the Pacific using the submersible Deep Discoverer. OSU marine repository archives the rock samples collected during the expedition. Archived samples include basalts, fossil corals, phosphorites and more. Below are the samples recovered from each dive. 

For more information please visit the dedicated NOAA Page and Background Information

View and download data by expanding each of the dive sites below

Go to the EX1603 sample list page

Go back to the NOAA collections page