Cobalt is defined as an energy critical metal that is urgently demanded by China and the world.More than 60％of the annual global cobalt production comes from the sedimentary rock-hosted Cu-Co deposits in the Central African Cu-Co belt,which represents a natural laboratory for investigating the mechanism of cobalt super-enrichment.Previous studies mainly focused on copper mineralization in the system,which is not always associated with cobalt mineralization in space and time.There is still a lack of understanding in relation to the sources and enrichment process of cobalt in the system,which records sedimentary,diagenetic and orogenic mineralization.This paper presents an overview of up-to-date research progress on the cobalt mineralization in the Central African Cu-Co belt and discusses remaining research gaps.The impact of tectonic evolution on the formation of an ideal basin environment for cobalt mineralization in this world-class cobalt metallogenic belt was reviewed.Pale-climate condition,including the Oxygenation Events and glacier events,may also have positively influenced the cobalt mineralization in the region.The Neoproterozic orogenesis may have played a key role in re-mobilizing early disseminated cobalt in the sedimentary system,leading to an upgrade of cobalt mineralization.Essentially,the cobalt mineralization in the Central African Cu-Co belt reflects a prolonged and productive interplay of atmospheric-geosphere-hydrospere-biosphere.Understanding the formation of sedimentary rock-hosted Cu-Co deposits at deposit-regional scale is therefore crucial for exploring for more cobalt mineral resources in both the Central African Cu-Co belt and other favorable basin environments worldwide.
关键词
新元古代/造山带/钴超常富集/沉积岩容矿型铜钴矿床/中非铜钴矿带
Key words
Neoproterozoic/Orogenic Belt/Supper accumulation of cobalt/Sedimentary rock-hosted Cu-Co deposits/Central African Cu-Co belt
维普
万方数据