Gilbert and Ellice Islands The development of administration continued with the creation in 1963 of an Advisory Council of five officials and 12 representatives who were appointed by the Resident Commissioner. In 1964 an Executive Council was established with eight officials and eight representatives. The representative members were elected in the Gilbert and Ellice Islands Advisory Council election held in 1964. The Resident Commissioner was now required to consult the Executive Council regarding the creation of laws to making decisions that affected the Gilbert and Ellice Islands Colony. A Constitution was introduced in 1967, which created a House of Representatives for the Gilbert and
Geology of the Pacific Ocean . The Pacific Ocean developed from the Panthalassa, a vast global ocean, following the breakup of the supercontinent Pangaea in the Mesozoic Era, gradually forming Gondwana and Laurasia, which in turn divided. There is no firm date for when the changeover occurred, as the replacement of the sea bed is a continuous process, though reconstruction maps often change the name from Panthalassic to Pacific around the time the Atlantic Ocean began to open. The Panthalassic Ocean first opened around 750 million years ago at the breakup of Rodinia, but the oldest Pacific Ocean floor is only around 180 Ma old.