{
  "fields": [{"id":"_id","type":"int"},{"id":"Source","type":"text"},{"id":"MeanZrNb","type":"numeric"},{"id":"MeanZrTi","type":"numeric"},{"id":"SDZrNb","type":"numeric"},{"id":"SDZrTi","type":"numeric"}],
  "records": [
    [1,"basalt",0,0,0,0],
    [2,"loess",0,0,0,0]
]}