. The Earth beneath the sea : History . 11° 40'N 164° 35'E Sea level Sylvanic Guyot ^ « ^' ,//////.â :/'///, w/////'.////mm mmk;0Mi' 2' OiN 165° 06'E 11°42'N 166° 36'E Guyot Nortti of Rongelop Atoll ir 48'N 166° 10 £ Fig. 9. Cross-sections of atolls and guyots; the peripheries of the guyots are rounded, those of the atolls comparatively sharj). (After Emery vt al., (Jeological Survey, 1954.) passing through fringing reef and barrier reef stages. There is convincing evidence to indicate that their history has not been one of uniform and long- continued subsidence. Periodically the


. The Earth beneath the sea : History . 11° 40'N 164° 35'E Sea level Sylvanic Guyot ^ « ^' ,//////.â :/'///, w/////'.////mm mmk;0Mi' 2' OiN 165° 06'E 11°42'N 166° 36'E Guyot Nortti of Rongelop Atoll ir 48'N 166° 10 £ Fig. 9. Cross-sections of atolls and guyots; the peripheries of the guyots are rounded, those of the atolls comparatively sharj). (After Emery vt al., (Jeological Survey, 1954.) passing through fringing reef and barrier reef stages. There is convincing evidence to indicate that their history has not been one of uniform and long- continued subsidence. Periodically the Pacific Basin atolls stood above the sea for appreciable intervals, some of them as high islands. During these emergent


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Keywords: ., bookcentury1900, bookcollectionbiodivers, booksubjectoceanbottom