Geological Formation of the South China Sea
160
m.y.a (The late Jurassic)
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Indochina has joined with Eurasia and South China, forming mainland Southeast Asia. Some islands, such as the southwestern and southeastern parts of Borneo, are already separate in the Tethys sea. Other, including Sulawesi and New Guinea, and still attached to mainland Australia. Source: van Oosterzee (1997) Where Worlds Collide: The Wallace Line, p. 56. |
85
m.y.a (The late Cretaceous)
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Both Australia and India have divided from Gondwana. Borneo has come together, and the Philippines have been formed. Asia and Australia are still very separated. Source: van Oosterzee (1997) Where Worlds Collide: The Wallace Line p. 56. |
50
m.y.a (The late Eocene)
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Australia is completely separated from Gondwana and is moving much closer to the Asian mainland. The Southeast Asian archipelagos are more established, however are still very isolated. Source: van Oosterzee (1997) Where Worlds Collide: The Wallace Line p. 56. |