In the first discovery of a large area of the Indian Ocean-rich sediments

Recently, reporters from the scene just after obtaining a sample of preliminary tests and a comprehensive analysis of the shallow stratigraphic data, the expedition team to complete the expedition in the Indian Ocean mission, it is the return voyage of the ocean voyage fifth leg of the expedition 34 informed, basin for the first time found a large area of ​​rich rare earth deposits.

According to Stone, chief scientist segment describes the study of law, rare earth elements are widely used in industrial production, known as "industrial MSG." Although China is the largest producer of rare earth, but from a global perspective, the land reserves of rare earth is rapidly shrinking, urgent need to find new rare earth resources. Many deep-sea sediments in the higher rare earth content, it also implies that there may be potential for deep seabed areas of rare earth resources. There are already rare deep-sea scientists will be following the polymetallic nodules, cobalt-rich crusts and seafloor hydrothermal sulfide fourth new resources.

It is reported in this segment of the expedition in the Indian Ocean basin range of about 850,000 square kilometers of seabed sampling and synchronous continuous shallow geological strata, multi-beam measurements. Expedition also used shipboard analysis equipment for sediment samples obtained were analyzed field test, a sample of 15 stations detected high REE contents, to the mineralization conditions. According to the expedition and field test data elements combine shallow stratigraphic and multibeam survey data, we concluded that in the Indian Ocean basin draw two rare earth-rich sedimentary area.

This discovery confirms the potential presence of large deposits of rare earth-rich area in the Indian Ocean basin assumptions previously proposed expedition. 2014 Ocean 30 expedition cruises in the Indian Ocean had to obtain a deposition of 1.4 meters long column-like, after laboratory meticulous measurements, the results also show that within the Indian Ocean basin sediments local region is more enriched in rare earth elements, with mineralization potential.

"This is just the preliminary round accurate test measurements, REE contents back to terrestrial laboratories need to be." Stone school law said that after returning to the expedition team in the laboratory sample acquiring systematic precise analysis to determine the rare earth the exact content of the element, Occurrence and mineralogical characteristics, and fine shallow stratigraphic data processing, combine the data to study the area to clarify the distribution of rare earth-rich deposits and enrichment mechanism, provide the basis for the next step of investigation .


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