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A Cretaceous Time Scale

1976; American Association of Petroleum Geologists; Volume: 60; Linguagem: Inglês

10.1306/83d923ed-16c7-11d7-8645000102c1865d

1558-9153

J.E. van Hinte,

Geological and Geophysical Studies

An emendation of published Cretaceous time scales is proposed on the basis of presently available age data. The standard geochronologic subdivision is combined with a linear numeric scale, biostratigraphic framework, and geomagnetic-reversal time scale. The biostratigraphic framework includes standard Tethyan and boreal pelagic macrofossil zonations and planktonic as well as benthic microfossil zones and biohorizons. Basement ages at some Deep Sea Drilling Project sites are evaluated and related to the geomagnetic-reversal scale.