Mid-Ocean Ridges. JdFR. MAR. CIR. EPR. Thuan Chau , Yao Yao. SWIR. PAR. SEIR. Mid-Ocean Ridge. Underwater mountain system formed by plate tectonics. O ceanic spreading center Valley of rifts running along its spine Responsible for seafloor spreading
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ThuanChau, Yao Yao
Western regions of the Indian Ocean.
Lava flow: 0.51-0.68 km3/year
Average spreading rate: 1.13 cm/year
Southwest Indian Ridge:
Southwest Indian ocean
Separated the African and Antarctic plates
Average spreading rate: 13-18 mm/year
Separated Africa and South America
Average spreading rate: 2.5 cm/year