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Garnet major-element composition as an indicator of host-rock type: a machine learning approach using the random forest classifier / supplementary data

Schoenig, Jan; von Eynatten, Hilmar; Tolosana-Delgado, Raimon; Meinhold, Guido


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  "license": "https://creativecommons.org/licenses/by/4.0/legalcode", 
  "name": "Garnet major-element composition as an indicator of host-rock type: a machine learning approach using the random forest classifier / supplementary data", 
  "identifier": "https://doi.org/10.14278/rodare.1220", 
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  "description": "<p>The database includes 13615 garnet compositions of eight oxides commonly analysed in lab routines: SiO<sub>2</sub>, TiO<sub>2</sub>, Al<sub>2</sub>O<sub>3</sub>, Cr<sub>2</sub>O<sub>3</sub>, FeO<sub>total</sub>, MnO, MgO, and CaO (in wt%). These are complemented by the following covariables:</p>\n\n<p><strong>setting and metamorphic facies class</strong>: code indicating the geologic/tectonic setting of the host rock</p>\n\n<p><strong>composition class</strong>: code indicating the compositional class of the host rock</p>\n\n<p><strong>author</strong>: authors of the original paper providing the data</p>\n\n<p><strong>journal</strong>: journal of the original paper</p>\n\n<p><strong>region</strong>: origin of the data, in the format &quot;region, country&quot;</p>\n\n<p><strong>sample name</strong>: sample ID in the original paper</p>\n\n<p><strong>Pavg(kbar)</strong>: if available, indicated pressure</p>\n\n<p><strong>Tavg(&deg;C)</strong>: if available, indicated temperature</p>\n\n<p><strong>host-rock type and/or metamorphic facies</strong>: facies indication of host rock</p>\n\n<p><strong>lithology and/or protolith</strong>: composition indication of host rock</p>\n\n<p><strong>SiO2</strong>: wt%</p>\n\n<p><strong>TiO2</strong>: wt%</p>\n\n<p><strong>Al2O3</strong>: wt%</p>\n\n<p><strong>Cr2O3</strong>: wt%</p>\n\n<p><strong>FeOtotal</strong>: wt%</p>\n\n<p><strong>MnO</strong>: wt%</p>\n\n<p><strong>MgO</strong>: wt%</p>\n\n<p><strong>CaO</strong>: wt%</p>\n\n<p>&nbsp;</p>\n\n<p>This research was funded by DFG grant EY 23/27-1.</p>", 
  "@type": "Dataset", 
  "datePublished": "2021-10-21", 
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      "affiliation": "Geoscience Centre G\u00f6ttingen, University of G\u00f6ttingen, Goldschmidtstra\u00dfe 3, 37077 G\u00f6ttingen, Germany", 
      "name": "Schoenig, Jan", 
      "@id": "https://orcid.org/0000-0001-9296-7582", 
      "@type": "Person"
    }, 
    {
      "affiliation": "Geoscience Centre G\u00f6ttingen, University of G\u00f6ttingen, Goldschmidtstra\u00dfe 3, 37077 G\u00f6ttingen, Germany", 
      "name": "von Eynatten, Hilmar", 
      "@id": "https://orcid.org/0000-0002-2823-3194", 
      "@type": "Person"
    }, 
    {
      "affiliation": "Helmholtz-Zentrum Dresden-Rossendorf, Helmholtz Institute Freiberg for Resources Technology, Chemnitzer Stra\u00dfe 40, 09599 Freiberg, Germany", 
      "name": "Tolosana-Delgado, Raimon", 
      "@id": "https://orcid.org/0000-0001-9847-0462", 
      "@type": "Person"
    }, 
    {
      "affiliation": "Geoscience Centre G\u00f6ttingen, University of G\u00f6ttingen, Goldschmidtstra\u00dfe 3, 37077 G\u00f6ttingen, Germany; School of Geography, Geology and the Environment, Keele University, Keele, Staffordshire, ST5 5BG, UK; Institute for Geology, TU Bergakademie Freiberg, Bernhard-von-Cotta-Stra\u00dfe 2, 09599 Freiberg, Germany", 
      "name": "Meinhold, Guido", 
      "@id": "https://orcid.org/0000-0001-8375-8375", 
      "@type": "Person"
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  "@id": "https://doi.org/10.14278/rodare.1220", 
  "keywords": [
    "garnet major-element composition", 
    "host-rock discrimination"
  ], 
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