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N° 85 - Janvier 2017 - Les minerais sous-marins : protéger les écosystèmes,  exploiter les ressources

Technology developments in  the exploration and evaluation  of deep-sea mineral resources

By Sven PETERSEN
Mark HANNINGTON
and
Anne KRÄTSCHELL
GEOMAR, Helmholtz Centre for Ocean Research Kiel (Germany)

 

Manganese nodules, Co-rich crusts, and Seafloor massive Sulfides (SMS) are commonly seen as possible future resources that could potentially add to the global raw materials supply. At present, a proper global assessment of these resources is not possible due to a severe lack of information regarding their size, global distribution, and composition. The sizes of the most prospective areas that need to be explored for a global resource assessment are vast. Future deepsea minerals exploration has to provide higher-resolution data and at the same time needs to cover large areas of the seafloor in a fast and cost-efficient manner. While nodules and crusts are 2-dimensional occurrences and an assessment of their distribution at the seafloor itself seems sufficient, seafloor massive sulfides are 3-dimensional sites and a proper resource assessment will always require drilling. Here the development of methods to image the subseafloor and to recognize economically interesting sites prior to drilling is of importance.

 

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N° 85 - January 2017 - Undersea minerals: Protecting the ecosystems, mining the resources

Technology developments in the exploration and evaluation of deep-sea mineral resources

Sven Petersen,
Mark Hannington
and
Anne Krätschell,
GEOMAR Helmholtz Centre for Ocean Research Kiel (Germany)

 

Manganese nodules, Co-rich crusts, and Seafloor massive Sulfides (SMS) are commonly seen as possible future resources that could potentially add to the global raw materials supply. At present, a proper global assessment of these resources is not possible due to a severe lack of information regarding their size, global distribution, and composition. The sizes of the most prospective areas that need to be explored for a global resource assessment are vast. Future deep-sea minerals exploration has to provide higher-resolution data and at the same time needs to cover large areas of the seafloor in a fast and cost-efficient manner. While nodules and crusts are 2-dimensional occurrences and an assessment of their distribution at the seafloor itself seems sufficient, seafloor massive sulfides are 3-dimensional sites and a proper resource assessment will always require drilling. Here the development of methods to image the subseafloor and to recognize economically interesting sites prior to drilling is of importance.

 

Retour au sommaire


N° 85 - enero 2017 - Minerales submarinos, ¿cómo proteger los ecosistemas y explotar los recursos?

Technology developments in the exploration and evaluation of deep-sea mineral resources

Sven Petersen,
Mark Hannington
and
Anne Krätschell,
GEOMAR Helmholtz Centre for Ocean Research Kiel (Germany)

 

Manganese nodules, Co-rich crusts, and Seafloor massive Sulfides (SMS) are commonly seen as possible future resources that could potentially add to the global raw materials supply. At present, a proper global assessment of these resources is not possible due to a severe lack of information regarding their size, global distribution, and composition. The sizes of the most prospective areas that need to be explored for a global resource assessment are vast. Future deep-sea minerals exploration has to provide higher-resolution data and at the same time needs to cover large areas of the seafloor in a fast and cost-efficient manner. While nodules and crusts are 2-dimensional occurrences and an assessment of their distribution at the seafloor itself seems sufficient, seafloor massive sulfides are 3-dimensional sites and a proper resource assessment will always require drilling. Here the development of methods to image the subseafloor and to recognize economically interesting sites prior to drilling is of importance.

 

Retour au sommaire

 

 

 

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