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For instance, the sediments of the Green River Formation in Wyoming are thought to represent many million years of continuous deposition (Bradley 1929a, b).
Yet bat, bird, fish, plant and many other fossils within the Green River Formation strongly suggest rapid, rather than slow and gradual, deposition of these fine laminae (Grande 1984).
Likewise, on November 12, 2012, the author of the Naturalis Historia blog posted a lengthy article on Lake Suigetsu (https://thenaturalhistorian.com/creationism/) which included a reproduction of Figure 7 from the Davidson and Wolgemuth (2010) paper. Alternating patterns of distinct laminae are commonly identified within glacial lake deposits and are generally interpreted in the following way: during the summer months as meltwaters increase flow to the lakes, layers of more coarse sediment are formed, whereas the decreased meltwater in winter results in thinner, more clay-rich layers.
A varve is defined as “A sedimentary bed or sequence of laminae deposited in a body of still water within one year’s time . The net result, in theory, is an “annual” varve consisting of a summer and winter depositional couplet layer.
Close inspection reveals many fine laminations (fig. Although there is disagreement among creation scientists as to whether or not the Green River Formation represents a Flood or very early post-Flood depositional environment (Oard and Whitmore 2006; Oard and Klevberg 2008; Whitmore and Garner 2008), one thing is clear: because these fish were preserved, the thin layers must have formed quickly around them, before the fish could decay or be eaten by other scavengers (Whitmore 2009). Many laminations (b) are clearly visible and must have formed quickly before the fish could decompose. Finally, the latest empirical research has demonstrated that thinly-bedded mudrocks, which make up much of the world’s deposits of laminae and the majority of the geologic record, form much differently than previously thought. Their article claims that the very large number of Lake Suigetsu varve counts is strong evidence for an old earth. Creation scientists would argue that most of the lamination couplets are not true annual events. However, careful examination of the papers they cite shows that this apparent agreement is the result of the typical uniformitarian circular reasoning. Furthermore, Davidson and Wolgemuth made numerous errors in their article (even within their own uniformitarian framework) which cause one to question whether they carefully read all of the technical papers they cited.