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Filtering by: Keyword extensional tectonics Resource type Dataset

Dataset of apatite and zircon (U-Th)/He thermochronologic analyses from the Rio Grande Rift, Colorado and New Mexico, USA to accompany Abbey and Niemi, 2019, Tectonics.

Creator:

Niemi, Nathan A. and Abbey, Alyssa L.

Description:

These data were produced in the scope of research into the timing, rate, and magnitude of extensional exhumation along the length of the Rio Grande Rift in Colorado and New Mexico. The low-temperature (apatite and zircon (U-Th)/He) thermochronometric ages presented in this data set are sensitive to near-surface temperatures (~80C and 180C, respectively) and record the progressive exhumation of the rock mass from which the samples were collected towards the Earth's surface. These thermochronometric ages, and the differences between them, provide insight into the absolute timing, exhumation rate and total magnitude of exhumation on the normal faults that bound the Rio Grande Rift. and The QTQt program mentioned (Version QTQt64R5.6.2a was used for the data presented in this deposit) is not openly available for download, but is described in the Gallagher 2012 publication referenced, and can be requested from its author. For more information on the request process and a user guide, see http://www.iearth.org.au/codes/QTQt/

Keyword:

thermochronology, helium dating, (U-Th)/He, Rio Grande Rift, New Mexico, Colorado, and extensional tectonics

Citation to related publication:

Abbey, A. L., & Niemi, N. A. (2020). Perspectives on Continental Rifting Processes From Spatiotemporal Patterns of Faulting and Magmatism in the Rio Grande Rift, USA. Tectonics, 39(1), e2019TC005635. https://doi.org/10.1029/2019TC005635

Discipline:

Science

Dataset of apatite and zircon (U-Th)/He thermochronologic analyses from the Rio Grande Rift, Colorado and New Mexico, USA to accompany Abbey and Niemi, 2019, Tectonics.

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Dataset of apatite and zircon (U-Th)/He thermochronologic analyses from the Rio Grande Rift, Colorado and New Mexico, USA to accompany Abbey and Niemi, 2019, Tectonics.

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