Phosphate is present on the floor of the Manihiki lagoon, and there are many deposits of manganese and cobalt and some other metals on the seabed near Manihiki.
I-Phosphate iyatholakala phansi echibini lamanzi iManihiki, futhi kunezitolo ezinkulu zama-manganese ne-cobalt nezinye izinsimbi ezahlukahlukene olwandle olusondele eManihiki.