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The detailed and well-dated 500,000-year record of 818O variations found in vein calcite core DH-11 taken from Devils Hole in Nevada (Winograd and others, 1992) provides several challenges to the Milankovitch theory for the occurrence of Quaternary glaciations. A recent discussion paper (Imbrie and others, 1993) has dismissed the relevance of this well-dated core for determining the timing of global climatic fluctuations and, moreover, asserts that the Devils Hole record provides support for the Milankovitch theory. Upon analysis of the arguments found in this discussion, we find nothing to dissuade us from the original conclusion that the Devils Hole chronology does present a serious challenge to the Milankovitch theory.

A response to "Milankovitch theory viewed from Devils Hole" by J. Imbrie, A.C. Mix and D.G. Martinson