December GEOLOGY and GSA TODAY media ...(on the sedimentary rocks underlying the ...)

Date:11/29/2007

on the sedimentary rocks underlying the Denver region. These rocks are rich in dinosaur and plant fossils and provide us with a detailed record of climate change in the Denver region spanning tens of millions of years. Todays dry, arid conditions contrast with the rainforests that covered the region 60 million years ago, and present us with a stark dilemma: the waters that flow through the aquifers beneath Denver are a testament to the wetter conditions that prevailed here in the past and constitute a non-renewable resource. Acknowledging the dependence of urban regions on the products of past climates is essential in order to make informed decisions about future development.

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Contact: Ann Cairns acairns@geosociety.org 303-357-1056 Geological Society of America Source:Eurekalert

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