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.
Gondwana (India) by the British. Political and communal movements directed against the dominant political structure still occur in the region, including the Gondwana Praja Party, founded in 2014 in Maharashtra state. Gondwana Praja Party founded for the demanded the new formation of old Gondwana State for the tribal people of central India instead of old Vidarbha region. Gondwana Gadtantra Party is also established. The founder of Gondwana Gadtantra Party is Heera Singh Markam. He is the only Member of Parliament of this party. Gondwana (India) Gondwana is a region of India, named after the Gondi people who live there (though they can