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K-Ar analysis of sample JD-1

Dates

Dataset Reference Date
2020-12-28
Info Date
1977

Summary

Potassium analyzed using an IL 343 digital flame photometer using LiBO2 flux fusion technique and mineral calibration standards (Suhr and Ingamells, 1966; Ingamells, 1970; Engles and ingamells, 1970). Argon determined by isotope dilution using 38Ar tracers and 6-in. radius Nuclide mass spectrometer equipped with automated peak stepping and digital data acquisition systems.

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Material Request Instructions

For the publication containing sample radiometric age data, see: https://dggs.alaska.gov/pubs/id/394

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  • ReSciColl Archive

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Type Scheme Key
title Parent-4f4e49d8e4b07f02db5df185 K-Ar analysis of sample JD-1

NGGDPP Item Extension

alternateGeometryThe coordinates are represented in North American Datum of 1927 (NAD27). Location was derived from the following method(s): Location provided in Wilson, F.H., et al (1994) DNAG, v. G1, plate 8

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