Papahānaumokuākea Marine National Monument 

EX1603

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.

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Dive sample tables: click to expand

EX1603-D2 (French Frigate Shoals)

Sample Location Rock Type Description Images
OSU-EX1603-D2-1 23.94569°N, 166.04°W Welded Tuff Likely a lithofied ash bed but could potentially be sediment/substrate… Image 2Image 3Image 4Image 4Image 4Image 4Image 4
EX1603-D6 (Unnamed Seamount)