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Reefs* Data on the Time Required for the Building of Coral By TING YING H. MA (Geological Survey of China.) The time required for the building of recent coral reefs has hitherto been calculated by applying the results obtained from experiments of the growth rate of reef corals to that of the coral reef. T. W. Vaughan' studied the growth rate of OrbiceUa annularis Dana, living in the waters of Florida, and from the growth rate of this coral, he estimated that it would require approximately 6,500 to 7,600 years for corals to build a reef of 150 feet in thickness, or, in other words, it would require about 43 1/3 to 50 2/3 years for the coral reef to attain a thickness of 1 foot. From observations on the massive corals in the Maldives, J. S. Gardiner2 calculated that it would require about 1,000 years for a coral reef to attain a thickness of 14.5 fathoms. According to A. G. Mayor,' 1,000 years is the approximate time necessary for coral reefs to become 13.5 fathoms thick. Very recently, T. Terada4 stated that the time required for the 1,000 feet thick Funafuti coral reef and 200 meters thick Daitô-zima
Acta Geologica Sinica (English Edition) – Wiley
Published: Mar 1, 1937
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