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unconformity |
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unconformity [¦ən·kən′fȯr·məd·ē] (geology) The relation between adjacent rock strata whose time of deposition was separated by a period of nondeposition or of erosion; a break in a stratigraphic sequence. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The Sibley Basin is the least explored for unconformity uranium deposits in Canada, mostly due to a lack of the necessary technology. The angular unconformity at Jedburgh, UK, first described by James Hutton, is then used to introduce concepts of time within the sedimentary record. Using the decay of radioactive uranium in the rocks as a clock, the scientists dated the unconformity to 3. |
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