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Science 6 February 1970:
Vol. 167. no. 3919, pp. 862 - 865
DOI: 10.1126/science.167.3919.862
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Articles

Astronomical Theory of Climatic Change: Support from New Guinea

H. Herbert Veeh 1 and John Chappell 2

1 Department of Geophysics and Geochemistry, Australian National University, Canberra, A.C.T.
2 Department of Geography, Australian National University

Radiocarbon and thorium-230 dates of uplifted coral reef terraces on New Guinea appear to support theories of glaciation which utilize Milankovitch cycles as a controlling trigger mechanism. In addition to high sealevel stands recognized by other workers, the New Guinea data clearly indicate a marine transgression between 50,000 and 35,000 years before the present. A eustatic sea level curve reconstructed from field observations and radiometric dates shows a close correlation with temperature fluctuations in high latitudes as predicted by astronomical data.


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