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Tomorrow, April 12, the first of the two expeditions of theInternational Ocean Discovery Program (IODP) bound for the South Atlantic Ocean to study the western flank of the Southern Mid Atlantic Ridge.
THENational Institute of Geophysics and Volcanology (INGV) participates in the first of the two expeditions, called "Expedition 390", to carry out paleomagnetic analyzes of the rock samples that will be taken from the ocean floor during the two-month crossing. The return to port of Expedition 390 personnel will be followed by the departure of the second mission of the project, the 393 Expedition.
The IODP is the largest international Earth Science program dedicated to scientific drilling in the oceanic environment, which the international scientific community has been developing in various forms since 1968 through the study of sediments and rocks sampled through deep drilling in the oceanic environment.
“IODP promotes research aimed at studying plate tectonics, climate change, the deep biosphere and ocean-lithosphere exchanges. The new IODP scientific program includes, in particular, research focused on the analysis of geological risks, climate change and sustainable mineral and energy resources", explains Leonardo Sagnotti, Director of the INGV Environment Department. “INGV, in particular, contributes with its researchers to the definition of the magnetic properties of the sediments, to the dating of the geological sequences crossed by the perforations and to the identification of elements which allow to reconstruct the climatic and environmental changes over the course of geological times”.
The IODP program involves private agencies, research institutions and universities from 23 member countries. Italy participates in ECORD (The European Consortium for Ocean Research Drilling) and has the possibility to send researchers on board the ships of the IODP project.
The researchers of the two expeditions, 390 Expedition e 393 Expedition, will sail aboard the scientific vessel JOIDES Resolution (JR). The international multidisciplinary team of 52 scientists will, in particular, study the history of hydrothermal interactions between the cooling oceanic crust and the overlying ocean, analyze the microbial communities living in the ocean depths and sample bottom sediments marine to better understand climate change processes and ocean circulation patterns in the Atlantic.

Link to Expedition 390 website

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