U-Pb Isotopic ratio measurements of zircon grains from the Peruvian continental margin (Pisco Basin)

Ochoa, Diana; ORCID: 0000-0001-6242-4202
DeVries, Thomas J
Barron, John; ORCID: 0000-0002-9309-1145
McDougall, Kristin; ORCID: 0000-0002-8788-3664
U-Pb Isotopic ratio measurements of zircon grains from two ash samples outcropping in the Pisco Basin (MG11-10; 14°11.13'S, 76°08.65'W; MG11-60; 14°11.17'S, 76°6.99'W). Analyses were carried out University of Florida, using a Nu-Plasma® Laser Ablation Multi-Collector Inductively Coupled Plasma Mass Spectrometer (LA-MC-ICP-MS). Data reduction was referenced to standard zircon (FC-1) from the Duluth Gabbro dated at 1099.0 ± 0.7 Ma and 1099.1 ± 0.5 Ma (Black et al., 2004). Single-ages are reported in Million of years (Ma) with standard error uncertainties at 2σ and 95% confidence intervals. Ash beds were collected as a tool for determining U-Pb maximum depositional ages by DO and TdV in 2022.
How to cite this dataset:
Ochoa, D., DeVries, T. J., Barron, J., McDougall, K., 2024. U-Pb Isotopic ratio measurements of zircon grains from the Peruvian continental margin (Pisco Basin), Version 1.0. Interdisciplinary Earth Data Alliance (IEDA). https://doi.org/10.60520/IEDA/113209. Accessed 2024-05-25.
DOI Creation Date:
DeVries J., Barron J., Ochoa D., McDougall K., (accepted). Chronology and Paleoenvironment of the Tunga Formation, a new lowermost Miocene sequence in the East Pisco Basin of southern Peru. Stratigraphy.
Creative Commons Attribution-ShareAlike 4.0 International [CC-BY-SA-4.0]
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Coverage Scope: Regional (Continents, Oceans)
Geographic Location: Peru continental margin, Pisco Basin,
User Contributed Keyword(s):
U-Pb, Peru continental margin, Early Miocene, Pisco Basin, Chilcatay
Bounding Coordinates:
North: -12     South: -16     East: -76     West: -77
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