Nautilus lifts Central Pacific underwater resource by 67%

Marine mining pioneer Nautilus Minerals this week reported an upgraded and improved mineral resource at its Clarion-Clipperton Fracture Zone (CCZ) project in the Central Pacific, which it held through its 100%-owned subsidiary Tonga Offshore Mining.  Toronto-based Nautilus advised on Thursday that the CCZ project’s compliant inferred mineral resource base increased from 410-million tonnes to 685-million tonnes (wet), while about 68-million tonnes were upgraded in the indicated category and 2.6-million tonnes in the measured category.