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  3. U-Pb zircon data for: Upper Triassic and Jurassic sedimentary rocks from Sonora, MX

U-Pb zircon data for: Upper Triassic and Jurassic sedimentary rocks from Sonora, MX

Dates

Publication Date
Start Date
2002
End Date
2019

Citation

Holm-Denoma, C.S., Pianowski, L.S., and Poole, F.G., 2021, U-Pb zircon data for: Upper Triassic and Jurassic sedimentary rocks from Sonora, MX: U.S. Geological Survey data release, https://doi.org/10.5066/P9XVIBNY.

Summary

This laser ablation ICPMS U-Pb zircon data set supports stratigraphic, biostratigraphic and age interpretations of the of the fossil-plant-bearing El Gameño Formation of west-central Sonora, Mexico and the potentially age-correlative fossil-plant-bearing Santa Clara and Coyote formations of southeastern Sonora, Mexico. The zircon data provides minimum age constraints (maximum depositional ages) for Late Triassic to Jurassic sedimentary rocks that don’t have precisely known absolute ages.

Contacts

Point of Contact :
Christopher S Holm-Denoma
Originator :
Christopher S Holm-Denoma, Laura S Pianowski, Forrest G Poole
Metadata Contact :
Christopher S Holm-Denoma, GS GGGSC DM Team
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase
SDC Data Owner :
Geology, Geophysics, and Geochemistry Science Center
USGS Mission Area :
Energy and Minerals

Attached Files

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Metadata for Upper Triassic and Jurassic sedimentary rocks from Sonora MX.xml
Original FGDC Metadata
View 		34.59 KB application/fgdc+xml
Sample Information for Upper Triassic and Jurassic sedimentary rocks from Sonora MX.csv 1.23 KB text/csv
U-Pb reference material data for Upper Triassic and Jurassic sedimentary rocks from Sonora MX.csv 178.75 KB text/csv
U-Pb zircon data for Upper Triassic and Jurassic sedimentary rocks from Sonora MX.csv 170.83 KB text/csv

Purpose

This data set is novel and was used to test the maximum depositional ages and potential age correlations of the El Gameño, Santa Clara, and Coyote formations of Sonora, Mexico. These units are Late Triassic to Jurassic in age and were formed in an ancient regional retroarc foreland basin system. The plant fossils found in the units are not precise age diagnostic and zircon age analyses were used to help establish maximum depositional ages and age correlations across units.

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Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9XVIBNY

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