Punctuated Equilibrium Theory and Time: A Case Study in Problems of Coherence in the Measurement of Geological Time (The ‘KBS’ Tuff Controversy and the Dating of Rocks in the Turkana Basin, Kenya)

Oldroyd, David

doi:10.1007/978-94-009-3919-6_4

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“…This column was compiled by the physical correlation of tuffs that crop out in different areas, and that were poorly dated at that time (Oldroyd 1987), in combination with biostratigraphic, and hence circular inferences based on the malacofauna. The ensuing application of new dating techniques and chemical analyses of tephra (e.g., Brown and Cerling 1982; McDougall 1985) enabled comparison of the age and chemical composition of tuffs and allowed more extensive revisions of the Turkana Basin stratigraphy (Brown and Feibel 1986; Oldroyd 1987; Feibel et al 1989). These revisions of the stratigraphic framework indicated that several tuff layers in different geographical areas had been incorrectly dated and miscorrelated.…”

Section: Resultsmentioning

confidence: 99%