{
"USGS Publications Warehouse": {
"@context": "https://schema.org",
"@type": "Article",
"additionalType": "Journal Article",
"name": "A comparison of some analytical techniques for determining uranium, thorium, and potassium in granitic rocks",
"identifier": [
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"value": "70232976",
"url": "https://pubs.usgs.gov/publication/70232976"
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"value": 70232976
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"journal": {
"@type": "Periodical",
"name": "Journal of Research of the U.S. Geological Survey",
"volumeNumber": "5",
"issueNumber": "1"
},
"inLanguage": "en",
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"name": "Journal of Research of the U.S. Geological Survey"
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"datePublished": "1977",
"dateModified": "2022-07-14",
"abstract": " Geochemical exploration for uranium requires accurate and precise determinations of low-level concentrations. We have used seven different techniques and four different treatments of the fluorometric method to analyze for uranium in granitic rocks. In addition we have used four analytical techniques for thorium and three analytical techniques for potassium, two elements that are commonly present in anomalous amounts within uranium provinces. Our results show that commonly used techniques for thorium and potassium determinations are both adequately precise and accurate, but that many techniques used for uranium determinations lack the necessary precision or accuracy for complete geochemical prospecting. We suggest that a combination of delayed-neutron determinations for uranium and \u03b3-ray spectrometric analyses for radium equivalent uranium, thorium, and potassium provides the best data base for geochemical exploration for uranium. If more detailed interpretations are desired, the combination of \u03b3-ray spectrometry and \u03b1-spectrometry may be best. Carefully done fluorometric analyses should be adequate for water, ore, mineralized rock, and other applications where high precision and accuracy are not required.",
"description": "9 p.",
"publisher": {
"@type": "Organization",
"name": "U. S. Geological Survey"
},
"author": [
{
"@type": "Person",
"name": "Keil, Ronald L.",
"givenName": "Ronald L.",
"familyName": "Keil",
"affiliation": [
{
"@type": "Organization",
"name": "Natural Resources Ecology Laboratory, Colorado State University"
}
]
},
{
"@type": "Person",
"name": "Huffman, Claude Jr.",
"givenName": "Claude",
"familyName": "Huffman"
},
{
"@type": "Person",
"name": "Bush, Charles A. cbush@usgs.gov",
"givenName": "Charles A.",
"familyName": "Bush",
"email": "cbush@usgs.gov",
"affiliation": [
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"@type": "Organization",
"name": "Geosciences and Environmental Change Science Center",
"url": "https://www.usgs.gov/centers/geosciences-and-environmental-change-science-center"
}
]
},
{
"@type": "Person",
"name": "Rosholt, John N.",
"givenName": "John N.",
"familyName": "Rosholt"
},
{
"@type": "Person",
"name": "Nkomo, Ignatius T.",
"givenName": "Ignatius T.",
"familyName": "Nkomo"
},
{
"@type": "Person",
"name": "Millard, Hugh T. Jr.",
"givenName": "Hugh T.",
"familyName": "Millard"
},
{
"@type": "Person",
"name": "Stuckless, John S. jstuckless@usgs.gov",
"givenName": "John S.",
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"@type": "Person",
"name": "Bunker, Carl M.",
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