Item talk:Q318343

{

 "id": "10.5066/p93zwga1",
 "attributes": {
   "doi": "10.5066/p93zwga1",
   "identifiers": [],
   "creators": [
     {
       "name": "Cynthia Dusel-Bacon",
       "nameType": "Personal",
       "affiliation": [
         "United States Geological Survey"
       ],
       "nameIdentifiers": [
         {
           "schemeUri": "https://orcid.org",
           "nameIdentifier": "https://orcid.org/0000-0001-8481-739X",
           "nameIdentifierScheme": "ORCID"
         }
       ]
     },
     {
       "name": "James K. Mortensen",
       "nameType": "Personal",
       "affiliation": [],
       "nameIdentifiers": [
         {
           "schemeUri": "https://orcid.org",
           "nameIdentifier": "https://orcid.org/0000-0001-8805-9856",
           "nameIdentifierScheme": "ORCID"
         }
       ]
     }
   ],
   "titles": [
     {
       "title": "New U-Pb Geochronology and Geochemistry of Paleozoic Metaigneous Rocks from Western Yukon and Eastern Alaska"
     }
   ],
   "publisher": "U.S. Geological Survey",
   "container": {},
   "publicationYear": 2023,
   "subjects": [
     {
       "subject": "geology"
     },
     {
       "subject": "geochemistry"
     },
     {
       "subject": "isotopic analysis"
     },
     {
       "subject": "isotopes"
     },
     {
       "subject": "trace elements"
     },
     {
       "subject": "geochronology"
     },
     {
       "subject": "radiometric dating"
     },
     {
       "subject": "age determinations"
     },
     {
       "subject": "uranium-lead analysis"
     },
     {
       "subject": "igneous rocks"
     },
     {
       "subject": "metamorphic rocks"
     },
     {
       "subject": "uranium-thorium analysis"
     },
     {
       "subject": "major elements"
     },
     {
       "subject": "minor elements"
     },
     {
       "subject": "radioactive elements"
     },
     {
       "subject": "whole-rock geochemistry"
     },
     {
       "subject": "Alaska"
     },
     {
       "subject": "Yukon"
     },
     {
       "subject": "Big Delta"
     },
     {
       "subject": "Eagle"
     },
     {
       "subject": "Fairbanks"
     },
     {
       "subject": "Tanacross"
     }
   ],
   "contributors": [],
   "dates": [
     {
       "date": "2023-08-08",
       "dateType": "Available"
     },
     {
       "date": "1978/2007",
       "dateType": "Collected"
     }
   ],
   "language": null,
   "types": {
     "ris": "DATA",
     "bibtex": "misc",
     "citeproc": "dataset",
     "schemaOrg": "Dataset",
     "resourceType": "Dataset",
     "resourceTypeGeneral": "Dataset"
   },
   "relatedIdentifiers": [],
   "relatedItems": [],
   "sizes": [],
   "formats": [
     "csv",
     "pdf"
   ],
   "version": null,
   "rightsList": [
     {
       "rights": "Creative Commons Zero v1.0 Universal",
       "rightsUri": "https://creativecommons.org/publicdomain/zero/1.0/legalcode",
       "schemeUri": "https://spdx.org/licenses/",
       "rightsIdentifier": "cc0-1.0",
       "rightsIdentifierScheme": "SPDX"
     }
   ],
   "descriptions": [
     {
       "description": "This data release contains three tables of U-Pb zircon isotopic data generated from analyses of 40 metaplutonic and metavolcanic rocks from the Yukon-Tanana Upland of western Yukon and east-central Alaska and one sample from southern Yukon. One of the tables also reports U-Pb data for two titanite analyses for one of the samples. U-Pb zircon ages from analyzed samples range from 363.5 plus/minus 3.8 to 253.1 plus/minus 0.7 Ma and were collected from parautochthonous North America and the allochthonous Yukon-Tanana terrane. U-Pb zircon data include 216 individual analyses by ID-TIMS and 35 individual analyses of two samples by LA-ICP-MS. ID-TIMS analyses of titanite give concordant 206Pb-238U ages of 333 and 338 Ma. Two U-Pb tables report the isotopic composition of uranium (U) and thorium (Pb) measured in each grain, ratios of isotopes of lead and uranium isotopes, and the age of each grain. A third table reports interpreted U-Pb ages, sample locations, tectonic assemblage or unit, lithology, analysis method, laboratory used, and basis for age assignment. The data release also contains two tables of whole-rock major- and trace-element geochemical data for metaigneous rocks from the Yukon-Tanana Upland in east-central Alaska for augen gneiss (15 samples) and amphibolite (30 samples).",
       "descriptionType": "Abstract"
     }
   ],
   "geoLocations": [],
   "fundingReferences": [],
   "url": "https://www.sciencebase.gov/catalog/item/64d23dfcd34ef477cf3c4550",
   "contentUrl": null,
   "metadataVersion": 2,
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   "source": "mds",
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   "state": "findable",
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   "created": "2023-08-14T18:27:35Z",
   "registered": "2023-08-14T18:27:35Z",
   "published": null,
   "updated": "2024-07-18T19:18:36Z"
 },
 "relationships": {
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       "id": "usgs.prod",
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 "type": "dois"

}