{
  "type" : "Feature",
  "links" : [
    {
      "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"
    },
    {
      "href" : "https://energy.usgs.gov/arcgis/rest/services/MRData/Carbonatite/OGCFeatureServer/collections/1/items/12?f=json",
      "rel" : "self",
      "type" : "application/geo+json",
      "title" : "This document as JSON"
    },
    {
      "href" : "https://energy.usgs.gov/arcgis/rest/services/MRData/Carbonatite/OGCFeatureServer/collections/1/items/12?f=text/html",
      "rel" : "alternate",
      "type" : "text/html",
      "title" : "This document as text/html"
    },
    {
      "href" : "https://energy.usgs.gov/arcgis/rest/services/MRData/Carbonatite/OGCFeatureServer/collections/1/items/12?f=application/geo+json",
      "rel" : "alternate",
      "type" : "application/geo+json",
      "title" : "This document as application/geo+json"
    }
  ],
  "LayerId" : 1,
  "LayerName" : "mrdata.carbonatite.carbonatitev",
  "id" : "12",
  "properties" : {
    "rec_id" : 12,
    "depname" : "Karonge",
    "deptype" : 10,
    "depage" : "587±4, La-Ba isochron, bastnaesite",
    "json" : "{\"id\":\"http:\\/\\/mrdata.usgs.gov\\/carbonatite\\/record\\/12\",\"type\":\"Feature\",\"geometry\":{\"type\":\"Point\",\"coordinates\":[29.449166666667,-3.5022222222222]},\"properties\":{\"country\":\"Burundi\",\"cntrycd\":\"BRND\",\"depname\":\"Karonge\",\"altname\":\"Gakara\",\"latitude\":\"-3.50222222222222\",\"latdeg\":-3,\"latmin\":-30,\"latsec\":-8,\"longitude\":\"29.4491666666667\",\"londeg\":29,\"lonmin\":26,\"lonsec\":57,\"discdate\":\"1940s\",\"startdate\":\"produced till 1978\",\"oreton\":\"0.2\",\"deptype\":10,\"niobium\":\"0\",\"ree\":\"1.59\",\"p2o5\":\"0\",\"grades\":\"Jackson and Christiansen (1993)\",\"depage\":\"587\\u00b14, La-Ba isochron, bastnaesite\",\"agemy\":\"587\",\"tectset\":\"East African rift system\",\"rocks\":\"carbonatite?\",\"rocksmap\":\"gneiss, granite, pegmatite (Neoproterozoic)\",\"orebody_fm\":\"veins and stockworks\",\"alttype\":\"silicification, biotitization\",\"altwidth\":\"0\",\"dep5km\":\"11d\",\"comments\":\"Mineable ore contains 3% bastnaesite. The deposit assumed to have carbonatite source. Veins and stockworks occupy area 20x20 km.\",\"mineral\":[{\"role\":\"ore\",\"name\":\"barite\"},{\"role\":\"ore\",\"name\":\"bastnaesite\"},{\"role\":\"ore\",\"name\":\"cerianite-(ce)\"},{\"role\":\"ore\",\"name\":\"crandallite\"},{\"role\":\"ore\",\"name\":\"fluocerite\"},{\"role\":\"ore\",\"name\":\"galena\"},{\"role\":\"ore\",\"name\":\"goethite\"},{\"role\":\"ore\",\"name\":\"goyazite\"},{\"role\":\"ore\",\"name\":\"molybdenite\"},{\"role\":\"ore\",\"name\":\"monazite\"},{\"role\":\"ore\",\"name\":\"pyrite\"},{\"role\":\"ore\",\"name\":\"pyromorphite\"},{\"role\":\"ore\",\"name\":\"rhabdophane-(ce)\"},{\"role\":\"gangue\",\"name\":\"biotite\"},{\"role\":\"gangue\",\"name\":\"kaolinite\"},{\"role\":\"gangue\",\"name\":\"microcline\"},{\"role\":\"gangue\",\"name\":\"quartz\"},{\"role\":\"gangue\",\"name\":\"vermiculite\"}],\"reference\":[\"Jackson, W.D., and Christiansen, G., 1993, International strategic inventory summary report-\\u0096rare-earth oxides: U.S. Geological Survey Circular 930-N, 68 p.\",\"Lehman, B., Nakai, S., H\\u00f6ndorf, A., Brinckmann, J., Dulski, P., Hein, U.F., and Masuda, A., 1994, REE mineralization at Gakara, Burundi\\u0097Evidence for anomalous upper mantle in the western Rift Valley: Geochimica and Cosmochimica Acta, v. 58, no. 2, p. 985\\u0096992.\",\"Van Wambeke, L., 1977, The Karonge Rare Earth deposits, Republic of Burundi\\u0097New mineralogcal-geochemical data and origin of the mineralization: Mineralium Deposita, v. 12, p. 373\\u0096380.\",\"Woolley, A.R., 2001, Alkaline rocks and carbonatites of the world \\u0096 Part 3: Africa: London, The Geological Society, 372 p.\"]}}",
    "url" : "https://mrdata.usgs.gov/carbonatite/show-carbonatite.php?rec_id=12"
  }
}