{
  "type" : "Feature",
  "links" : [
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      "href" : "https://energy.usgs.gov/arcgis/rest/services/MRData/Carbonatite/OGCFeatureServer/collections/1/items?f=application%2fjson",
      "rel" : "collection",
      "type" : "application/geo+json",
      "title" : "The collection document"
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    {
      "href" : "https://energy.usgs.gov/arcgis/rest/services/MRData/Carbonatite/OGCFeatureServer/collections/1/items/9?f=json",
      "rel" : "self",
      "type" : "application/geo+json",
      "title" : "This document as JSON"
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    {
      "href" : "https://energy.usgs.gov/arcgis/rest/services/MRData/Carbonatite/OGCFeatureServer/collections/1/items/9?f=text/html",
      "rel" : "alternate",
      "type" : "text/html",
      "title" : "This document as text/html"
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    {
      "href" : "https://energy.usgs.gov/arcgis/rest/services/MRData/Carbonatite/OGCFeatureServer/collections/1/items/9?f=application/geo+json",
      "rel" : "alternate",
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      "title" : "This document as application/geo+json"
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  "LayerId" : 1,
  "LayerName" : "mrdata.carbonatite.carbonatitev",
  "id" : "9",
  "properties" : {
    "rec_id" : 9,
    "depname" : "Seis Lagos",
    "deptype" : 10,
    "depage" : "Cretaceous (?)",
    "json" : "{\"id\":\"http:\\/\\/mrdata.usgs.gov\\/carbonatite\\/record\\/9\",\"type\":\"Feature\",\"geometry\":{\"type\":\"Point\",\"coordinates\":[-66.680277777778,0.28194444444444]},\"properties\":{\"country\":\"Brazil\",\"cntrycd\":\"BRZL\",\"stprov\":\"Amazonas\",\"depname\":\"Seis Lagos\",\"altname\":\"Morro dos Seis Lagos\",\"latitude\":\"0.281944444444444\",\"latmin\":16,\"latsec\":55,\"longitude\":\"-66.6802777777778\",\"londeg\":-66,\"lonmin\":-40,\"lonsec\":-49,\"discdate\":\"1975\",\"mintype\":\"beforsite\",\"oreton\":\"2898\",\"deptype\":10,\"niobium\":\"2.81\",\"ree\":\"1.5\",\"p2o5\":\"0\",\"grades\":\"Cuadros Justo and de Souza (1986), Kamitani and Hirano (1990)\",\"depage\":\"Cretaceous (?)\",\"agemy\":\"100\",\"tectset\":\"Guyana shield\",\"rocks\":\"breccia, carbonatite, syenite\",\"rocksmap\":\"gneiss, migmatite (Precambrian)\",\"orebody_fm\":\"3 plugs of 4, 0.9, and 0.8 km in diameter, along NS zone 8 km long\",\"ore_a\":\"4\",\"ore_area\":\"12.6\",\"ore_b\":\"4\",\"alttype\":\"laterite\",\"altwidth\":\"0\",\"comments\":\"1.5% Re2O3, 0.07% ThO2, and 0.09% V2O5 reported in lateritic cover ~230 m thick (Woolley, 1987). The largest Nb deposit in the world.  CarbBodyArea value reflects the main plug only.\",\"mineral\":[{\"role\":\"ore\",\"name\":\"barite\"},{\"role\":\"ore\",\"name\":\"crandallite\"},{\"role\":\"ore\",\"name\":\"florencite\"},{\"role\":\"ore\",\"name\":\"goethite\"},{\"role\":\"ore\",\"name\":\"hematite\"},{\"role\":\"ore\",\"name\":\"limonite\"},{\"role\":\"ore\",\"name\":\"nb-brookite\"},{\"role\":\"ore\",\"name\":\"nb-rutile\"},{\"role\":\"ore\",\"name\":\"pyrite\"},{\"role\":\"ore\",\"name\":\"pyrochlore\"},{\"role\":\"gangue\",\"name\":\"ankerite\"},{\"role\":\"gangue\",\"name\":\"dolomite\"},{\"role\":\"gangue\",\"name\":\"siderite\"}],\"reference\":[\"Cuadros Justo, L.J.E., and Souza de, M.M., 1986, Jazida de ni\\u00f3bio do morro dos Seis Lagos, Amazonas: in Schobbenhaus, C., and Silva Coelho, C.E., eds., Principas dep\\u00f3sitos minerais do Brasil, v. 2, Cap\\u00edtulo 37: Brasilia, Departmento Nacional da Produ\\u00e7\\u00e3o Mineral, p. 463\\u0096468.\",\"Gomes, C.B., Ruberti, E., and Morbidelli, L., 1990, Carbonatite complexes from Brazil\\u0097A review: Journal of South American Earth Sciences, v. 3, no. 1, p. 51\\u009663.\",\"Jacobi, P., 2009, Seis Lagos the largest niobium reserve in the world is still waiting to be developed, 5 p.: http:\\/\\/www.geologo.com.br\\/seislagos.asp (last visited February 6, 2009)\",\"Kamitani, M., and Hirano, H., 1990, Important carbonatite-alkaline\\/alkaline complexes and related mineral resources in the world: Bulletin of the Geological Survey of Japan, v. 41, no. 11, p. 631\\u0096640.\",\"Singer, D.A., 1998, Revised grade and tonnage model of carbonatite deposits: U.S. Geological Survey Open-File Report 98-235, 8 p.\",\"Ulbrich, H.H.G.J., and Gomes, C.B., 1981, Alkaline rocks from continental Brazil: Earth-Science Reviews, v. 17, p. 135\\u0096154.\",\"Woolley, A.R., 1987, Alkaline rocks and carbonatites of the world \\u0096 Part 1: North and South America: London, British Museum (Natural History), 216 p.\"]}}",
    "url" : "https://mrdata.usgs.gov/carbonatite/show-carbonatite.php?rec_id=9"
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}