{"text_format":"3","workbook":"xls","n_sheets":3,"sheets":["Sheet1","Sheet2","Sheet3"],"read":"whole","date_system":"1900","formulas":"cached_only"}

{"sheet":"Sheet1","index":0,"n_rows":17,"n_cols":12,"rows_kept":17,"merged":[[2,1,3,1],[2,2,3,2],[2,3,3,4],[2,5,3,5],[2,6,2,9],[2,10,3,11]],"flags":["formulas_cached_only"]}
[null,"Table 23.S1 Results of ESR (electron spin resonance) dating of sulfate mineralization"]
[]
[null,null,"Sample ID","Equivalent dose (Gy)",null,"226Ra (Bq/g)","           Dose rate (mGy/y)",{"$nulls":3},"Age (year)"]
[{"$nulls":6},"Dα","Dβ","Dγ","Dtotal"]
[]
[null,"Archaean site"]
[null,null,"BMS07-01 61-71 (a)",447,"+104/-76",10.2,1964.2,224.4,80.7,157,1110,"+270/-190"]
[]
[null,"Pika site"]
[null,null,"BMS09-02B 65-71",763,"+741/-264",6.7,2294.4,228.4,49.2,95,3447,"+3334/-1188"]
[null,null,"6K 1226 R03 (a)",87,"+37/-31",16.7,222.5,125.9,132.6,481,180,"+70/-60"]
[null,null,"6K 1226 R03 (b)",58,"+13/-12",9.5,668.7,115.3,75.3,162,360,"+80/-70"]
[null,null,"6K 1226 R03 (c)",45,"+7/-6",0.2,146,12.8,1.1,2.1,4580,"+1176/-882"]
[]
[null,"Snail site"]
[null,null,"6K 1227 R01 (a)",63,"+53/-40",21.4,310.1,163.1,157.8,578,110,"+90/-70"]
[null,null,"6K 1228 R03 (a01)",81,"+34/-28",10.1,283.2,88.1,74.6,209,390,"+160/-130"]

{"sheet":"Sheet2","index":1,"n_rows":0,"n_cols":0,"rows_kept":0,"flags":["formulas_cached_only"]}

{"sheet":"Sheet3","index":2,"n_rows":0,"n_cols":0,"rows_kept":0,"flags":["formulas_cached_only"]}