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Mio-Pliocene erosional exhumation of the central Colorado Plateau, eastern Utah: New insights from apatite (uranium-thorium)/helium thermochronometry.

机译：犹他州东部科罗拉多中央高原的上新世上新世侵蚀性掘尸：磷灰石（铀（）/氦热计时法的新见解。

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The landscape evolution of the Colorado Plateau has been studied for over a century, yet remains poorly understood. Several low-temperature thermochronometric studies have focused on the Grand Canyon region of the southwestern plateau to study incision and erosion of the Colorado River. This study focuses on erosion in the center of the Colorado Plateau and utilizes apatite (U-Th)/ He thermochronometry to constrain the magnitude, timing, and rate of erosional exhumation in four regions of the central Colorado Plateau in eastern Utah: the Monument Uplift, Canyonlands, the Book Cliffs, and Uinta Basin. Here new thermochronometric data is presented from an integrated dataset of surface samples and core samples in order to comprehensively study erosional exhumation on the plateau. Thermochronometric data were combined with inverse thermal modeling to more quantitatively assess the timing and magnitude of erosion and test surface uplift models that make specific predictions regarding the spatial distribution of erosion in the center of the Colorado Plateau.

机译：科罗拉多高原的景观演变已经研究了一个多世纪，但仍知之甚少。几项低温热时计研究集中在西南高原的大峡谷地区，以研究科罗拉多河的切割和侵蚀。这项研究的重点是科罗拉多高原中心的侵蚀，并利用磷灰石（U-Th）/ He测温法来限制犹他州东部科罗拉多中央高原四个区域的侵蚀性尸体的大小，时间和速率：纪念碑隆升，峡谷地，书本悬崖和尤因塔盆地。在这里，从表面样本和岩心样本的综合数据集中提供了新的热计时数据，以便全面研究高原的侵蚀性发掘。将测温数据与逆热模型相结合，以更定量地评估侵蚀的时间和强度，并测试表面隆升模型，这些模型对科罗拉多高原中心地区的侵蚀空间分布做出了特定的预测。

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作者
Hoffman, Markella Danielle.;
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作者单位

University of Kansas.;

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授予单位 University of Kansas.;
学科 Geology.
学位 M.S.
年度 2009
页码 185 p.
总页数 185
原文格式 PDF
正文语种 eng
中图分类
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Mio-Pliocene erosional exhumation of the central Colorado Plateau, eastern Utah: New insights from apatite (uranium-thorium)/helium thermochronometry.

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