Fission tracks that are present in apatite crystals recovered from sedimentary and crystalline basement rocks can be used to determine the thermal (tectonic) history of a sedimentary basin. Because fission tracks in apatite usually record the time when the rock temperature cooled below 100° C, one can use the apparent apatite fission-track ages as a function of depth, to determine the amount and duration of an uplift event.
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There are a number of gaping holes in accumulated knowledge within the discipline of sedimentology. Perhaps one of the largest holes has been the general subject of diagenesis in clastic rocks. It was therefore fortuitous that two symposia covering various aspects of diagenesis (mainly in clastics) were presented a year apart in different parts of the country but with the same motivation – to contribute to the closing of that knowledge gap. Sedimentologists now have a fairly good idea of the what and the how of sediment deposition. What happens after the sediments are lithified has frequently been ignored. It was the aim of both editors of this publication to approach the subject from two different viewpoints. Schluger directed a symposium which looked mainly at clastic reservoirs, and Scholle presented a symposium which examined various aspects of paleotemperature control of diagenesis.