U-Pb detrital zircon geochronology of cores and cuttings from selected wells in Arctic Alaska

Select samples were collected from boreholes in Arctic Alaska to determine the U-Pb ages of zircon to determine a maximum depositional age of the geologic units and/or provenance of the zircon in the samples. Samples were collected from the Department of Natural Resources-Alaska Geologic Materials C...

Full description

Bibliographic Details
Main Authors: Holm-Denoma, Christopher S, Pianowski, Laura S, Niglio, Louis
Format: Dataset
Language:unknown
Published: U.S. Geological Survey 2019
Subjects:
Online Access:https://dx.doi.org/10.5066/p9gsrws5
https://www.sciencebase.gov/catalog/item/5d1524f7e4b0941bde5b775e
Description
Summary:Select samples were collected from boreholes in Arctic Alaska to determine the U-Pb ages of zircon to determine a maximum depositional age of the geologic units and/or provenance of the zircon in the samples. Samples were collected from the Department of Natural Resources-Alaska Geologic Materials Center in Anchorage Alaska and sent to U.S. Geological Survey-Geology, Geophysics and Geochemistry Science Center, Denver, CO for mineral separation and laser ablation inductively coupled plasma mass spectrometry (LA-ICPMS) U-Pb geochronology analyses. The information is this report includes LA-ICPMS analyses conducted between 2016 and 2018 of at least 120 zircon grains or more (if recovered from sample) from twenty samples of rift, Ellesmerian, and Franklinian sequences that span Devonian through Cretaceous time.