In1842 Darwin explained the creation of coral atolls in the during a five-year voyage aboard the Beagle from 1831 Accepted as basically correct his considering that several tropical island types—from high volcanic island, through barrier reef island, to atoll represented a sequence of gradual subsidence of what started as an oceanic volcano. He reasoned that a fringing coral reef surrounding a volcanic island in the tropical sea will grow upwards as the island subsides
In1842 Darwin explained the creation of coral atolls in the during a five-year voyage aboard the Beagle from 1831 Accepted as basically correct his considering that several tropical island types—from high volcanic island, through barrier reef island, to atoll represented a sequence of gradual subsidence of what started as an oceanic volcano. He reasoned that a fringing coral reef surrounding a volcanic island in the tropical sea will grow upwards as the island subsides
sloughaltona 1 month ago