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K-Ar analysis of sample 80AWs228

Dates

Dataset Reference Date
2020-12-28
Info Date
1980

Summary

Potassium was determined by flame photometry using a lithium metaborate fusion technique (Engels and Ingamells, 1970). Argon extraction and measurement was accomplished using standard techniques of isotope dilution mass spectrometry, as described by Dalrymple and Lanphere (1969).

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Material Request Instructions

For the publication containing sample radiometric age data, see: https://dggs.alaska.gov/pubs/id/13050

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  • ReSciColl Archive

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Type Scheme Key
title Parent-4f4e49d8e4b07f02db5df185 K-Ar analysis of sample 80AWs228

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 USGS MF 1539-E, Table 1

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