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Braza, Mary; McQuarrie, Nadine; Robinson, Delores M; Webb, Laura E (2023): (U-Th)/He ages from zircons collected in the far western Nepal Himalaya [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.960122

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Published: 2023-08-24 • DOI registered: 2023-08-24

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Abstract:
This dataset contains the results of 11 individual (U-Th)/He analyses using zircons extracted from bedrock samples collected from medium-high grade metamorphic rocks along the Api transect in the far western Nepal Himalaya. Bedrock samples were collected for thermochronologic cooling ages to better constrain the exhumation history of the Nepal Himalaya. Analytical methods followed the general procedures outlined in Reiners (2005) and Reiners et al. (2004). The Full ZHe Data Raw contains results for each zircon grain measurement (typically three per sample). The ZHe Data Summary includes the mean age for each samples, calculated from three zircon grains, and an error that spans the range in measured ages and includes a 2σ analytical error.
Keyword(s):
cooling age; Himalaya; Nepal; thermochronology; ZHe; zircon (U-Th)/He thermochronology
Supplement to:
Braza, Mary; McQuarrie, Nadine; Robinson, Delores M; Webb, Laura E (2023): Temperature, Deformation, and Mass Transfer in a Hot Orogen: Insights From Thermokinematic Forward Models for Far Western Nepal. Tectonics, 42(9), e2023TC007912, https://doi.org/10.1029/2023TC007912
References:
Reiners, Peter W (2005): Zircon (U-Th)/He Thermochronometry. Reviews in Mineralogy & Geochemistry, 58(1), 151-179, https://doi.org/10.2138/rmg.2005.58.6
Reiners, Peter W; Spell, Terry L; Nicolescu, Stefan; Zanetti, Kathleen A (2004): Zircon (U-Th)/He thermochronometry: He diffusion and comparisons with 40Ar/39Ar dating. Geochimica et Cosmochimica Acta, 68(8), 1857-1887, https://doi.org/10.1016/j.gca.2003.10.021
Coverage:
Median Latitude: 29.506481 * Median Longitude: 80.755373 * South-bound Latitude: 29.096190 * West-bound Longitude: 80.569530 * North-bound Latitude: 29.902140 * East-bound Longitude: 80.948280
Date/Time Start: 2017-05-04T03:39:38 * Date/Time End: 2017-05-18T03:46:37
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
2 datasets

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Datasets listed in this bundled publication

  1. Braza, M; McQuarrie, N; Robinson, DM et al. (2023): (U-Th)/He ages from zircons collected in the far western Nepal Himalaya: raw data. https://doi.org/10.1594/PANGAEA.960123
  2. Braza, M; McQuarrie, N; Robinson, DM et al. (2023): (U-Th)/He ages from zircons collected in the far western Nepal Himalaya: summary. https://doi.org/10.1594/PANGAEA.960126