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Geochemical analysis of rock sample 61ABa1634

Dates

Dataset Reference Date
2020-12-22
Info Date
1961

Summary

9 samples were analyzed for SiO2, Al2O3, Fe2O3, MnO, P2O5 and TiO2 using Spectrophotographic methods and 9 samples were analyzed for CaO, K2O, MgO and Na2O using Atomic Absorption Spectroscopy. Sample preparation/digestion is uncertain but followed either the one or two solution methods outlined in USGS Bulletin 1401 by Shapiro (1975). FeO was analyzed using titrimetric methods. H2O- values were acquired by heating methods. H2O+ values were acquired by calculating total water minus H2O-. CO2 values were acquired by its volume upon evolution with acid.

Attached Files

Material Request Instructions

For additional information about the sample, see: https://dggs.alaska.gov/sample/id/29447

Map

Communities

  • ReSciColl Archive

Tags

Provenance

Data source
File Processing
File Process
Type
NGGDPP
Reference Item
Collection of geochemical data from Alaska (DGGS)
Reference File
v_nggdpp_geochem_sample_metadata.csv

Additional Information

Identifiers

Type Scheme Key
title Parent-4f4e49cfe4b07f02db5da760 Geochemical analysis of rock sample 61ABa1634

NGGDPP Item Extension

alternateGeometryThe coordinates are represented in North American Datum of 1927 (NAD27). Location was derived from the following method(s): Geochemical analysis files

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