Science in Search of Earth's Secrets

What is the JOIDES Resolution?

The JOIDES Resolution (JR) is a research vessel that drills into the ocean floor to collect and study core samples. Scientists use data from the JR to better understand climate change, geology and Earth’s history. It is a part of the International Ocean Discovery Program and is funded by the National Science Foundation.

expedition 390: South atlantic transect 1

April 7 – June 72022

Deep below the Atlantic Ocean, running from north to south along its center, lies the Mid-Atlantic Ridge (MAR), part of the underwater volcanic mountain system known as the mid-ocean ridge (MOR). This is a divergent tectonic plate boundary, a spreading center where two tectonic plates move apart and magma rises to form new ocean crust. We will sail across the South Atlantic Ocean, where the South American Plate and African Plate move away from each other as new ocean crust is forged from submarine volcanic eruptions.

To learn more, click here!

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Time at Sea: 47 days

Date on Ship: Tuesday May 24

Time on Ship: 17:36



Click a Photo to Read Blogs from the Ship’s Crew.
  • Rolling with the DMT (Video)
  • scientist using heat gun on core
    Science at Sea - not all core cuts the same
  • ship next to another ship
    Expedition 390 fuel, distance, time, and speed, as told through data
  • rainbow past bow of ship on water
    Expedition 390 wind and ship heading, as told through data


Click any marker to learn more about our past expeditions! Zoom in on the map for more accurate drill site locations.
JOIDES Resolution