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diapir |
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diapir [′dī·ə‚pir] (geology) A dome or anticlinal fold in which a mobile plastic core has ruptured the more brittle overlying rock. Also known as diapiric fold; piercement dome; piercing fold. 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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Many scientists think that hotspots mark locations where diapiric convection cells, called mantle "plumes", rise beneath lithospheric plates (Morgan, 1971; Wilson, 1973). Medium to low-grade, bulk mineable disseminated deposit-type, Greisen stockworks or disseminations associated with granite emplacement at depth or laterally, controlled by reactivated thrusts by the "pushing aside" effect observed in diapiric intrusions. Based on this Krasnodar analog, these stacked reservoirs should have substantially greater petroleum reserves than contained in the smaller anticlinal features, such as Aktash, formed on the top of these diapiric structures. |
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