I ka honua o ka mālama ʻili, aia kahi ʻimi mau no ka mea nui e hiki mai ana, ka hopena hope loa i ka loaʻa ʻana o ka ʻili kīnā ʻole, ʻōpio. Mai nā lāʻau lapaʻau kahiko a hiki i nā hana hou hou, ʻo ka ʻimi ʻana i ka ʻili maka kūpono i alakaʻi ʻia i ka loaʻa ʻana o kahi mea kupanaha: nā minerala kai hohonu. Ua hoʻohana ʻia kēia kumuwaiwai kūlohelohe e hana i kahi huahana kipi i ʻike ʻia ʻo ka holika maka moana hohonu, a he mea kupaianaha maoli kāna mau pōmaikaʻi.