{"text_format":"1","workbook":"xlsx","n_sheets":3,"sheets":["Sm Nd","Procedure","module"],"not_rendered":{"charts":0,"images":0,"macros":1,"external_links":0,"defined_names":0,"comments":0,"pivot_tables":0},"unopened":[{"sheet":"module","index":2,"reason":"part_missing"}],"bounds":{"document_bytes":16777216,"sheet_cells":100000,"rows_first":2000,"rows_last":500,"rows_between":2000,"halvings":0,"cell_chars":16384,"cell_head_chars":4096},"cells_cut":0,"cells_raw":0,"read":"whole","date_system":"1904"}

{"sheet":"Sm Nd","index":0,"n_rows":42,"n_cols":18,"rows_kept":42,"cut":false,"hidden":false,"merged":[]}
[null,"qp","qp","qfp","qfp","mafg","mafg","qp","qfp","mafg","dol","dol"]
["Lab #","AB1","AB2","AB3","AB4","AB5","AB6","AB7","AB8","AB9","AB10","AB11"]
["sample","EX21982","EX096916","EY118226","EY118688","EY118881","EY118850","EX096238","EY118769","EY118857","EX095883","EX095900",null,"USGS G2","USGS G2","USGS G2"]
["input age\nof rock T (Ma)",1611,1615,1641,1641,1625,1625,1617,1641,1625,1620,1620]
["Unmixed 143/144Nd",{"$f":"MarlinasNdIC(B32,B33,B34,B35,B37)","v":0.51168237528659244},{"$f":"MarlinasNdIC(C32,C33,C34,C35,C37)","v":0.51183567675254138},0.51140842174797518,0.51131601348230094,0.51217733744148353,0.51225862339853789,0.51183513963534277,0.51145921920157789,0.51226929950060984,0.51174717793163094,0.51177394740755677,null,0.51222941650068332,0.51221834842957281,{"$f":"MarlinasNdIC(P32,P33,P34,P35,P37)","v":0.51222066012850809}]
["Nd ugg-1",{"$f":"MarlinasNdID(B32,B33,B34,B37,100)","v":165.40748398880254},{"$f":"MarlinasNdID(C32,C33,C34,C37,100)","v":61.620296701534023},63.075968779284864,57.482074510222112,48.562547284148408,11.619365892555807,82.045951026941651,46.708778491674423,15.769886365303075,96.381526515509393,74.054834577670348,null,52.462989095999802,53.130374648151147,{"$f":"MarlinasNdID(P32,P33,P34,P37,100)","v":52.309294035452417}]
["Sm ugg-1",{"$f":"SmD(B32,B33,B34,B38,B39,50)","v":28.667964595941427},{"$f":"SmD(C32,C33,C34,C38,C39,50)","v":12.915385328054857},10.301354763823783,8.4568737117251889,11.046299163589664,2.8808805698241726,17.064956839510874,7.987810503505397,3.9596022192673712,16.666004077746585,13.52307741045607,null,6.9074135104566547,6.9795794328248215,{"$f":"SmD(P32,P33,P34,P38,P39,50)","v":6.9308790791535309}]
["147Sm/144Nd",{"$f":"(B7/150.36*0.15)/(B6/144.24*0.238)","v":0.10478748149693091},{"$f":"(C7/150.36*0.15)/(C6/144.24*0.238)","v":0.12672178488465807},9.8741134554436394E-2,8.8949827583374927E-2,0.13752543919850024,0.14990306934435707,0.12575224278526692,0.1033943821081587,0.15180661406822604,0.10454550912716207,0.11040527316039082,null,7.9603126112307215E-2,7.9424424111875919E-2,{"$f":"(P7/150.36*0.15)/(P6/144.24*0.238)","v":8.0108234737820874E-2}]
["eNd (T=0)",{"$f":"((B5/$B$23)-1)*10000","v":-18.641316355939573},{"$f":"((C5/$B$23)-1)*10000","v":-15.650873471312332},-23.985312287128082,-25.78791501408606,-8.9861180504857696,-7.4004775584746163,-15.661350985632927,-22.994409279494256,-7.1922194490103841,-17.377214883974588,-16.855024255776343,null,-7.9702148361360248,-8.1861190631049574,{"$f":"((P5/$B$23)-1)*10000","v":-8.1410248848490241}]
[]
["143Nd/144Nd (T)",{"$f":"B5-B8*(EXP($B$22*B4*1000000)-1)","v":0.51057250416787914},{"$f":"C5-C8*(EXP($B$22*C4*1000000)-1)","v":0.51049013522512643},0.51034301122678438,0.51035625053656342,0.51070799193111982,0.51065703315302013,0.5104982304642709,0.51034360043714777,0.5106473714549723,0.51063365078892398,0.51059800719368742,null,0.51222941650068332,0.51221834842957281,{"$f":"P5-P8*(EXP($B$22*P4*1000000)-1)","v":0.51222066012850809},{"$f":"AVERAGE(N11:P11)","v":0.51222280835292144},{"$f":"_xlfn.STDEV.S(N11:P11)*2","v":1.1676763357079541E-5}]
["eNd (T)",{"$f":"((B11/B16)-1)*10000","v":0.32945061289035849},{"$f":"((C11/C16)-1)*10000","v":-1.1820781431703953},-3.402187597864037,-3.1428560262281025,3.3396222608716997,2.3414824782164168,-0.97262116804053278,-3.3906461465260662,2.1522368654069979,1.7561992023806816,1.0580498558421247,null,-7.9702148361360248,-8.1861190631049574,{"$f":"((P11/P16)-1)*10000","v":-8.1410248848490241}]
["TDM (Ma)",{"$f":"(1/$B$22)*(LN((1+(B5-$B$25)/(B8-$B$26))))/1000000","v":2031.8533800304135},{"$f":"(1/$B$22)*(LN((1+(C5-$B$25)/(C8-$B$26))))/1000000","v":2272.5131507083074},2283.3070903717007,2217.4213056628641,1920.0284437087569,2095.522164762278,2248.7801335835347,2309.350244525484,2133.025492865956,1938.4565698414353,2008.0462943533817,null,1039.9341983849099,1051.0067601205651,{"$f":"(1/$B$22)*(LN((1+(P5-$B$25)/(P8-$B$26))))/1000000","v":1053.7239839246427}]
["TCHUR (Ma)",{"$f":"(1/$B$22)*LN((1+((B5-$B$23)/(B8-$B$24))))/1000000","v":1583.2784535597223},{"$f":"(1/$B$22)*LN((1+((C5-$B$23)/(C8-$B$24))))/1000000","v":1745.6149122301495},1909.2553293415519,1866.2999285209771,1187.7275512746751,1237.2180472453667,1723.0066353572099,1921.680993454491,1253.4321118021007,1472.5678126132464,1525.1550357864076,null,533.05446335343174,546.6350518827054,{"$f":"(1/$B$22)*LN((1+((P5-$B$23)/(P8-$B$24))))/1000000","v":546.81461906064703}]
["DM at age of rock (T)",{"$f":"($B$25-$B$26*(EXP($B$22*B4*1000000)-1))","v":0.51087809355122271},{"$f":"($B$25-$B$26*(EXP($B$22*C4*1000000)-1))","v":0.51087242272397593},0.51083555873064812,0.51083555873064812,0.51085824500681576,0.51085824500681576,0.5108695872547212,0.51083555873064812,0.51085824500681576,0.51086533398129874,0.51086533398129874,null,0.51315,0.51315,{"$f":"($B$25-$B$26*(EXP($B$22*P4*1000000)-1))","v":0.51315}]
["CHUR at age of rock (T)",{"$f":"$B$23-$B$24*(EXP($B$22*B4*1000000)-1)","v":0.51055568387958228},{"$f":"$B$23-$B$24*(EXP($B$22*C4*1000000)-1)","v":0.51055048628220834},0.51051669858482718,0.51051669858482718,0.51053749169389273,0.51053749169389273,0.51054788743253243,0.51051669858482718,0.51053749169389273,0.51054398909428123,0.51054398909428123,null,0.51263800000000004,0.51263800000000004,{"$f":"$B$23-$B$24*(EXP($B$22*P4*1000000)-1)","v":0.51263800000000004}]
[]
[]
["JNdi-1 Phoenix TIMS bias measurements 14/8/2020 to 5/9/2020, 143/144Nd = .512103±.000008 (2sd), n=5."]
[]
["Nd Model assumptions"]
["Lambda",6.54E-12,"a-1"]
["143Nd/144Nd CHUR T=0",0.51263800000000004,"Goldstein et al (1984)"]
["147Sm/144Nd CHUR T=0",0.1966,"Goldstein et al (1984)"]
["143Nd/144Nd DM T=0",0.51315,"Goldstein et al (1984)"]
["147Sm/144Nd DM T=0",0.2145,"Goldstein et al (1984)"]
["Earth Age",4615000000,"a"]
[]
["Sample measurements"]
[null,"High Pressure","High Pressure","High Pressure","High Pressure","High Pressure","High Pressure","High Pressure","High Pressure","High Pressure","High Pressure","High Pressure",null,"High Pressure","High Pressure","High Pressure"]
["bomb#","20","26","4","104","13","35","33","41","39","32","105",null,"103","34","22"]
["Sm Nd spike","H rm3","H rm3","H rm3","H rm3","H rm3","H rm3","H rm3","H rm3","H rm3","H rm3","H rm3",null,"H rm3","H rm3","H rm3"]
["sample wt (g)",5.1110000000000003E-2,4.5767000000000002E-2,4.0223000000000002E-2,4.8536000000000003E-2,5.0992999999999997E-2,0.18823899999999999,4.8395000000000001E-2,6.4827999999999997E-2,0.207811,5.6589E-2,3.9544000000000003E-2,null,4.7071000000000002E-2,2.7532000000000001E-2,5.4838999999999999E-2]
["Sm Nd spike wt (g)",1.800144,0.690357,0.53170499999999998,0.55438200000000004,0.54400899999999996,0.53969500000000004,0.84955400000000003,0.48713200000000001,0.61134200000000005,1.040516,1.0097529999999999,null,0.48780299999999999,0.53029199999999999,0.48664200000000002]
["measured 143/144Nd",0.51173903911125229,0.51190060026313544,0.51146449989816078,0.51136928749117838,0.51223520624751773,0.51232350199165133,0.51189189906468435,0.5115022370250778,0.51231835884937893,0.5117978857164529,0.51186545049269083,null,0.51228140302808312,0.51231366886258678,0.51226532404599234]
["2 se",2.1944819508602232E-6,1.5245503010716992E-6,1.7761119249298438E-6,1.6349458027953848E-6,3.4618043879586947E-6,2.0665244971827248E-6,1.8369119412853304E-6,1.5853183615078633E-6,1.9406667587428994E-6,2.0021583614331075E-6,1.7965333331591344E-6,null,1.8660652410608733E-6,2.0158760026380174E-6,2.1316401664910837E-6]
["measured 150/144 Nd",0.48925534121874231,0.52697081789987266,0.48526492171037189,0.472394680283452,0.49723928932447625,0.52928468892646519,0.49046696341845442,0.42755344029215558,0.45798658959877675,0.46300107585150546,0.64524004551558689,null,0.47100198364802964,0.66614280895277811,0.43795231563903181]
["measured 147/149 Sm",5.9810575051163664,5.7604889197993723,6.175820710567379,6.4108942274010499,4.9398601979278345,5.0741457730588415,5.2146813998242498,4.8629100125792055,4.08396617003367,5.4544708446767798,8.4551283693453527,null,6.995379125116278,11.680008512648227,6.1258772576717009]
["measured 152/149 Sm",1.8974652858004242,1.8914361100807584,1.9037596803046875,1.9132212604756258,1.912948783513408,1.9013456176085826,1.8955299089580775,1.9011191467931607,1.9047746215030008,1.9210491148049402,1.8983506669351005,null,1.9043861901630661,1.8741693924331593,1.9221409741652169]
[]
["Nd ugg-1 (as supplied)",160.5,60.4,63.3,55.3,49.1,11.5,81.5,49.6,15.7,93.2,81.3]
["Sm ugg-1 (as supplied)"]

{"sheet":"Procedure","index":1,"n_rows":25,"n_cols":3,"rows_kept":25,"cut":false,"hidden":false,"merged":[]}
["Procedure notes"]
[]
["1) Sample digestion and spiking"]
[null,"50-200mg powdered samples were dissolved in Parr or CSIRO high pressure digestion vessels (bombs) with an optimized amount of a (150Nd + 147Sm) mixed spike."]
[null,"1)  2mL 7M HNO3 + 4mL 28M HF were added then dried at 140C on hotplate. 1mL 15M HNO3 was also added just before dryness."]
[null,"2) Followed by high pressure digestion in 7M HNO3 + 4mL 28M HF at 190C in laboratory oven for at least 96 hours."]
[null,"3) Evaporation to almost dryness on hotplate at 140C, then addition of 1mL 15M HNO3 before taken to dryness."]
[null,"4) Redissolved in 8mL 6M HCl for conversion to chlorides."]
[]
["2)  Sm Nd separation by column chromatography."]
[null,"First column pass,"]
[null,"1)  2ml  AGW X8 200-400 mesh resin in Polyprep columns."]
[null,"Second column pass,"]
[null,"2) 1mL eichrom 50-100u Ln resin in quartz glass columns."]
[]
["3) Isotopic abundance ratio measurements carried out on Isotopx Phoenix thermal ionization mass spectrometer (TIMS)."]
[null,"1) Nd - multidynamic measurement."]
[null,null,"1) At least 5 blocks of 20 cycles (100 ratios) of multidynamic measurements taken."]
[null,null,"2) Normalization to 146/144Nd = .7219, using exponential mass fractionation correction."]
[null,"2) Sm - static measurement."]
[null,null,"1) Five blocks of 20 cycles (100 ratios) of static measurements were taken."]
[]
["4) Reagents."]
[null,"1) Hydrochloric, hydrofluoric and nitric acids distilled in Savillex DST-1000 PFA stills."]
[null,"2) Ultrapure deionised water produced using a Millipore Direct-Q 3 system."]