Table 2. Neodymium and Strontium Isotope Data for West Antarctic and South American Sedimentary Rocks ,,,,,,,,,,,,,,,,,,, Line,Sample,Stratigraphic,Location,Data,Age,Sm,Nd,147Sm/,143Nd/,143Nd/,eNdt,Tchur,TDM,TDM#*,Rb,Sr,87Rb/86Sr,87Sr/86Sr,87Sr/86Sr No.,Name,Unit/Lithology*, ,Source, (Ma),ppm,ppm,144Nd,144Nd,144Nd (init),,(Ma),(Ma),(Ma),ppm,ppm,,,(init) ALEXANDER ISLAND (West Antarctica),,,,,,,,,,,,,,,,,,, 201,KG.1969.1,,Arenite Ridge,1,150,7.739,36.411,0.1285,0.512405,0.512279,-3.2,522,1135,1234,132.6,241.7,1.589,0.714746,0.71136 202,KG.1967.2,,Central Douglas Range,1,150,6.465,30.717,0.1272,0.51234,0.512215,-4.5,656,1230,1330,100.8,166.7,1.75,0.71472,0.71099 203,KG.2027.2,,South Douglas Range,1,150,7.788,38.791,0.1214,0.512265,0.512146,-5.8,756,1275,1430,206.3,365.3,1.635,0.712679,0.70919 204,KG.4822.1,,N of Lemay Range,1,189,8.178,40.046,0.1235,0.512293,0.51214,-5,719,1257,1392,241.9,234,2.993,0.716829,0.70879 205,KG.4822.2,,N of Lemay Range,1,189,7.699,37.906,0.1228,0.512295,0.512143,-4.9,709,1245,1388,209.4,150.4,4.034,0.719792,0.70895 206,KG.4822.3,,N of Lemay Range,1,189,7.073,35.316,0.1211,0.512311,0.512161,-4.6,661,1197,1361,180.2,366.8,1.422,0.712998,0.70918 207,KG.4831.1,,Charcot Island,1,120,5.067,32.141,0.0953,0.512213,0.512138,-6.7,640,1065,1476,,,,, 208,KG.4836.1,LeMay Fm,LeMay Range,1,128,5.645,28.246,0.1208,0.512437,0.512336,-2.7,405,992,1175,133.5,158.1,2.275,0.711171,0.70703 209,KG.4836.2,LeMay Fm,LeMay Range,1,128,5.729,28.676,0.1208,0.512451,0.51235,-2.4,377,970,1153,115.1,160.6,2.074,0.710633,0.70686 210,KG.4836.3,LeMay Fm,LeMay Range,1,128,5.808,29.419,0.1194,0.512427,0.512327,-2.9,417,993,1189,124,204.7,1.753,0.71005,0.70686 211,KG.4845.1,LeMay Fm,LeMay Range,1,128,5.758,29.029,0.1199,0.512416,0.512316,-3.1,442,1016,1206,134.2,236.4,1.643,0.710014,0.70703 212,KG.4845.2,LeMay Fm,LeMay Range,1,128,5.912,28.957,0.1234,0.512475,0.512372,-2,340,958,1119,121.8,247.2,1.426,0.709459,0.70687 213,KG.4845.3,LeMay Fm,LeMay Range,1,128,5.382,28.14,0.1156,0.512436,0.512339,-2.6,381,943,1170,139.9,252.3,1.605,0.709811,0.70689 214,KG.4845.5,LeMay Fm,LeMay Range,1,128,5.254,26.528,0.1197,0.512443,0.512343,-2.5,387,972,1165,93.7,277.1,0.978,0.708796,0.70702 215,KG.4847.1,LeMay Fm,LeMay Range,1,128,5.503,27.046,0.123,0.512428,0.512325,-2.9,436,1030,1192,119.5,92.3,3.748,0.713807,0.70699 216,KG.4847.2,LeMay Fm,LeMay Range,1,128,5.953,29.137,0.1235,0.512425,0.512322,-3,445,1041,1197,115.8,97.3,3.445,0.71325,0.70698 217,KG.4847.3,LeMay Fm,LeMay Range,1,128,4.588,22.239,0.1247,0.512445,0.512341,-2.6,410,1021,1168,80.8,98.6,2.373,0.711404,0.70709 218,KG.4869.1A,LeMay Fm,Walton Mtns.,1,234,8.451,44.494,0.1148,0.512248,0.512072,-5.2,727,1218,1438,198.5,112.7,5.104,0.724089,0.7071 219,KG.4869.1D,LeMay Fm,Walton Mtns.,1,234,7.334,37.224,0.1191,0.512219,0.512037,-5.9,824,1317,1489,221.6,65.3,9.853,0.740885,0.70809 220,KG.4869.3,LeMay Fm,Walton Mtns.,1,234,5.744,30.6,0.1135,0.512313,0.512139,-3.9,597,1105,1339,,,,, ANTARCTIC PENINSULA: Trinity Peninsula Group and Equivalents,,,,,,,,,,,,,,,,,,, 221,BR.041.1,TPG,Lahille I ,1,240,5.843,29.553,0.1195,0.512303,0.512115,-4.2,663,1190,1367,139,393,1.05,0.71246,0.70887 222,GIB-7,GSG,Gibbs I.,1,240,4.194,21.323,0.1189,0.512325,0.512138,-3.7,615,1148,1333,65.4,282,0.667,0.710102,0.70783 223,LIV-9,Miers Bluff Fm,Livingston I.,1,240,6.337,32.435,0.1181,0.51226,0.512074,-5,735,1240,1427,109,362,0.873,0.711848,0.70887 224,LIV-1,Miers Bluff Fm,Livingston I.,1,240,5.656,27.005,0.1266,0.512232,0.512033,-5.8,884,1407,1487,180,256,2.028,0.715766,0.70884 225,R.632.6,TPG xenolith,Trinity Peninsula,1,240,9.39,53.82,0.1055,0.512272,0.512106,-4.3,613,1082,1380,,,,, 226,BR.072.1,TPG,Hope Bay,1,220,6.8,30.78,0.1336,0.512356,0.512164,-3.7,682,1295,1320,72,371,0.558,0.7095,0.70775 227,BR.072.2,TPG,Hope Bay,1,220,5.1,28.7,0.1074,0.512341,0.512186,-3.3,508,1005,1286,95,361,0.757,0.7095,0.70713 228,BR.072.3,TPG,Hope Bay,1,220,7.182,35.812,0.1212,0.512311,0.512136,-4.3,662,1199,1360,204,138,4.304,0.72332,0.70985 229,BR.072.5,TPG,Hope Bay,1,220,7.09,36.77,0.1166,0.512275,0.512107,-4.8,692,1198,1403,216,149,4.192,0.72405,0.71093 SOUTH SHETLAND ISLANDS,,,,,,,,,,,,,,,,,,, 230,EL-48.1,Gt-mp,"Stinker Pt., Elephant I.",2,100,3.21,11.47,0.1692,0.512851,0.51274,4.5,,677,523,18.6,240,0.225,0.70501,0.70469 231,EL-48.5,Gt-mp,"Stinker Pt., Elephant I.",2,100,3.13,11.15,0.1697,0.512842,0.512731,4.3,,713,541,19.7,229,0.249,0.705029,0.70468 232,SP-11.3,mp,"Stinker Pt., Elephant I.",2,100,3.64,13.65,0.1612,0.512795,0.51269,3.5,,732,619,20.1,342,0.17,0.705024,0.70478 233,SP-X,mp,"Stinker Pt., Elephant I.",2,100,6.09,31.61,0.1165,0.512296,0.51222,-5.7,651,1164,1383,99.6,177,1.626,0.712071,0.70976 234,EL-63-A.2,mp,"Pta. Algas, Elephant I.",2,100,5.08,21.05,0.1459,0.512687,0.512592,1.6,,806,796,37.9,247,0.443,0.70668,0.70605 235,EL-20.3,phyllite,"C.Lindsay, Elephant I.",2,100,3.68,14.09,0.1579,0.512804,0.512701,3.7,,669,598,23.1,168.6,0.397,0.705401,0.70484 236,EL-22-L,phyllite,"C. Yelcho, Elephant I.",2,100,3.95,18.02,0.1325,0.512252,0.512165,-6.7,918,1471,1461,27.3,20.4,3.877,0.710106,0.7046 237,ELE43D,phyllite,"Hut Pt.,Elephant I.",1,100,4.076,16.43,0.15,0.51276,0.512662,3,,690,670,19.5,254,0.222,0.705211,0.7049 238,CL-5,mp,Clarence I. ,2,100,4.341,22.413,0.1171,0.512269,0.512192,-6.2,708,1213,1422,62,230,0.779,0.71012,0.70901 239,CL8,mp,Clarence I. ,1,100,4.8,24.224,0.1198,0.512342,0.512264,-4.8,588,1132,1319,72,265,0.787,0.710326,0.70921 240,ELE27,mp,Elephant I.,1,100,3.873,18.678,0.1254,0.512299,0.512217,-5.7,726,1274,1387,15.4,213,0.212,0.707302,0.707 SOUTHERN CHILE (Western Domain),,,,,,,,,,,,,,,,,,, 241,HUI-1,schist,Huinay,3,300,6.954,34.782,0.1209,0.512154,0.511917,-6.5,974,1447,1583,152,188,2.353,0.721441,0.7114 242,SLL215,Chonos MC,I. Lemu,3,224,5.144,28.182,0.1103,0.51232,0.512158,-3.7,563,1062,1323,73,255,0.834,0.710401,0.70774 243,SLL232,Chonos MC,I. Lemu,3,224,9.141,47.359,0.1167,0.512204,0.512033,-6.2,828,1308,1505,195,143,3.791,0.72255,0.71047 244,SLL335C,Chonos MC,I Patranca,3,224,7.944,39.92,0.1203,0.512243,0.512067,-5.5,789,1296,1457,174,103,4.896,0.7233,0.7077 245,SLL338D,Chonos MC,I Patranca,3,224,6.442,32.675,0.1192,0.512229,0.512054,-5.8,806,1303,1475,155,105,4.291,0.72028,0.70661 246,SLL331A,schist,F. Sangra,3,224,7.106,36.028,0.1192,0.512152,0.511977,-7.3,957,1426,1583,150,100,4.33,0.722434,0.70864 247,SLL385,Chonos MC,I Ximena,3,224,7.816,35.979,0.1313,0.512279,0.512086,-5.1,839,1401,1429,178,79,5.806,0.738001,0.7195 248,SLL411,Chonos MC,I Teresa,3,224,4.505,23.198,0.1174,0.512284,0.512112,-4.6,682,1194,1392,52,134,1.122,0.717116,0.71354 249,SLL404,Chonos MC,I Teresa,3,224,5.752,28.98,0.12,0.51217,0.511994,-6.9,931,1408,1560,154,46.5,9.422,0.73661,0.70659 250,SLL300G,Chonos MC,F. Puelma,3,224,2.83,13.726,0.1246,0.512231,0.512048,-5.9,862,1378,1484,46,60,2.219,0.71842,0.71135 251,DR-7,phyllite,I Diego Ramirez,3,175,0.674,2.732,0.1491,0.512309,0.512138,-5.4,1056,1713,1412,47.9,17,8.105,0.727543,0.70738 252,DR-5,phyllite,I Diego Ramirez,3,175,6.089,26.326,0.1398,0.51279,0.51263,4.2,,542,604,35.5,319,0.321,0.706164,0.70537 253,VW-52,Western Series,Pirén,3,300,2.895,14.087,0.1242,0.512197,0.511953,-5.8,929,1429,1531,144,59,7.087,0.734846,0.70459 SOUTHERN CHILE (Eastern Andes Metamorphic Complex),,,,,,,,,,,,,,,,,,, 254,IBA-41A,LGC unit,,3,320,1.21,5.477,0.1336,0.512326,0.512046,-3.5,755,1352,1372,3.3,291,0.033,0.711237,0.71109 255,IBA-41B,LGC unit,,3,320,5.855,29.279,0.1209,0.512282,0.512029,-3.9,717,1241,1398,75,107,2.033,0.718485,0.70923 256,IBA-27C,LGC unit,,3,320,9.152,44.733,0.1237,0.512119,0.51186,-7.1,1084,1550,1639,181,65.4,8.033,0.745577,0.70899 257,CA-00-03-S,LGC unit,,4,350,,,0.1258,0.512364,0.512076,-2.2,591,1170,1289,,,,, 258,CA-00-10-S,Cochrane unit,,4,350,,,0.118,0.512177,0.511907,-5.5,894,1368,1540,,,,, 259,CA-00-13-S,Cochrane unit,,4,350,,,0.1206,0.512219,0.511943,-4.8,840,1338,1488,,,,, 260,CA-00-15-S,Cochrane unit,,4,350,,,0.1267,0.512169,0.511879,-6,1022,1516,1580,,,,, 261,CA-00-17-S,Cochrane unit,,4,350,,,0.12,0.512229,0.511954,-4.6,815,1315,1472,,,,, 262,CA-00-21-S,Cochrane unit,,4,350,,,0.1141,0.512174,0.511913,-5.4,858,1320,1531,,,,, 263,CA-00-23-S,Cochrane unit,,4,350,,,0.116,0.512147,0.511881,-6,928,1386,1576,,,,, 264,CA-00-28-S,Cochrane unit,,4,350,,,0.116,0.512144,0.511878,-6,934,1391,1580,,,,, 265,CA-00-30-S,Cochrane unit,,4,350,,,0.1151,0.512119,0.511855,-6.5,971,1418,1613,,,,, 266,CA-00-32-S,Cochrane unit,,4,350,,,0.1171,0.512136,0.511868,-6.2,962,1419,1595,,,,, 267,CA-00-33-S,Cochrane unit,,4,350,,,0.1238,0.512209,0.511925,-5.1,899,1402,1513,,,,, INBOARD WEST ANTARCTICA (Eastern Domain),,,,,,,,,,,,,,,,,,, 268,R.2216.7,mp,Mt Wrather,1,500,9.378,45.391,0.1249,0.512227,0.511818,-3.4,874,1389,1492,239,178,3.901,0.74198,0.71418 269,R.2245.5,mp,Mt Woollard,1,500,7.314,35.892,0.1232,0.512187,0.511784,-4.1,936,1429,1542,116,137,2.455,0.73186,0.71437 270,R.2210.2,mp,Hart Hills,1,500,8.348,40.783,0.1237,0.51217,0.511765,-4.5,979,1466,1570,,,,, 271,R.2210.3,mp,Hart Hills,1,500,6.168,30.05,0.1241,0.51205,0.511644,-6.8,1235,1674,1741,212,105,5.879,0.749755,0.70787 272,R.2244.2,mp,Mt Moore,1,467,6.823,33.687,0.1224,0.512037,0.511663,-7.3,1234,1665,1751,151,56.5,7.766,0.771748,0.72008 273,R.2230.1,mp,Martin Hills,1,220,8.951,45.506,0.1189,0.512107,0.511936,-8.2,1041,1492,1645,620,38.1,49.054,0.86282,0.70934 274,R.2202.3,mp,Stewart Hills,1,420,7.18,29.276,0.1483,0.512211,0.511803,-5.7,1345,1919,1607,314,58.6,15.684,0.827813,0.734 275,R.2202.2,mp,Stewart Hills,1,395,7.784,36.696,0.1282,0.512155,0.511823,-6,1076,1569,1607,349,17.9,58.263,1.034643,0.70693 276,R.2249.8,mp,Morland Nunataks,1,370,7.078,35.698,0.1199,0.512068,0.511778,-7.5,1131,1570,1698,183,125,4.229,0.740071,0.71779 277,R.2247.6,mp,Northern Nunataks,1,370,8.031,41.725,0.1163,0.512043,0.511761,-7.8,1129,1552,1721,207,86.6,6.95,0.75548,0.71887 278,R.2254.6,Polarstar Fm,Ellsworth Mtns,1,250,7.533,39.45,0.1154,0.512262,0.512073,-4.7,707,1204,1417,138,210,1.901,0.715777,0.70902 279,R.2254.4,Polarstar Fm,Ellsworth Mtns,1,250,9.03,44.979,0.1214,0.512144,0.511945,-7.2,1001,1471,1599,125,171,2.122,0.716931,0.70938 280,R.2262.4,Patuxent Fm,Patuxent,1,440,7.286,35.057,0.1256,0.512124,0.511762,-6,1103,1576,1642,212,68.2,9.053,0.771543,0.7148 281,MB.221.1W,mudstone,Milan Rocks,1,330,7.797,40.099,0.1175,0.511953,0.511699,-10,1319,1713,1845,147,48.9,8.744,0.761835,0.72077 282,MB.221.3W,mudstone,Milan Rocks,1,330,7.308,37.484,0.1178,0.511962,0.511707,-9.9,1307,1704,1834,113.7,120.1,2.746,0.736183,0.72328 283,MB.224.11W,schist,Mt Petras,1,300,5.126,25.635,0.1209,0.512301,0.512064,-3.7,679,1210,1370,119.1,205.2,1.68,0.714977,0.70781 SIERRAS PAMPEANAS (NW Argentina),,,,,,,,,,,,,,,,,,, 284,ELE-209,Phyllite,Malanzan,5,525,8.347,43.361,0.1164,0.512002,0.511602,-7,1207,1616,1771,160.9,118.1,3.955,0.740287,0.71069 285,RLC-228,Phyllite,Malanzan,5,525,7.617,39.326,0.1171,0.512006,0.511603,-7,1210,1622,1769,206.5,75.2,7.994,0.7717,0.71188 286,PIL-60,Schist,El Pilon,5,525,9.441,42.659,0.1338,0.512026,,-7.7,1482,1923,1820,145.1,148.7,2.831,0.736932,0.71575 287,PIL-310,Schist,El Pilon,5,525,6.581,31.554,0.1261,0.512237,0.511803,-3.1,867,1390,1483,145.1,105.2,4.005,0.743212,0.71324 288,TLT-294,Schist,Los Tuneles,5,525,6.735,34.349,0.1185,0.512016,0.511608,-6.9,1213,1631,1762,224.5,68,9.62,0.784483,0.7125 ARGENTINE PATAGONIA,,,,,,,,,,,,,,,,,,, 289,SGR-036,sst,Sierra Grande,6,500,5.309,27.078,0.1185,0.512094,0.511706,-5.6,1061,1507,1654,58,20.2,8.31,0.736392,0.67718 290,NIY-012,metasst,Nahuel Niyeu,6,500,6.293,31.987,0.1189,0.512108,0.511718,-5.4,1040,1491,1636,65.8,88.8,2.147,0.728092,0.7128 291,SGR-018,metasst,El Jaguelito ,6,500,5.241,25.911,0.1223,0.51219,0.51179,-4,919,1410,1534,80,100.7,2.305,0.728736,0.71231 292,GON-014,gneiss,Mina Gonzalito,6,460,8.399,41.415,0.1226,0.512163,0.511778,-4.9,978,1459,1575,121.3,162.7,2.161,0.725244,0.71046 293,ESQ-056,schist,Esquel,6,460,3.817,16.988,0.1358,0.512489,0.51208,0.7,375,1079,1135,41.9,389.5,0.311,0.707094,0.70505 294,CAT-029,metasst,Catreleo ,6,460,7.352,37.415,0.1188,0.512091,0.511733,-6.1,1071,1516,1661,224.5,122.2,5.336,0.747941,0.71297 295,CUR-039,metasst,Collon Cura ,6,440,4.089,19.298,0.1281,0.512161,0.511792,-5.5,1061,1556,1600,148.7,208.7,2.065,0.72386,0.71091 296,CUS-051,metasst,Cushamen ,6,460,4.082,19.1,0.1292,0.512166,0.511836,-5.3,1067,1567,1599,163.9,143.5,3.31,0.730533,0.71215 297,DH5A,Schist,Dos Hermanos,7,580,3.369,14.46,0.1408,0.512291,0.511756,-2.6,948,1556,1487,59.4,301.1,0.572,0.715716,0.71099 298,PAT.008.1,Schist,Dos Hermanos,7,580,3.522,15.134,0.1407,0.512308,0.511773,-2.3,900,1518,1461,61.1,182.9,0.968,0.71762,0.70961 299,PAT.008.3,Schist,Dos Hermanos,7,580,7.709,38.359,0.1215,0.512198,0.511736,-3,893,1385,1516,113.1,167.1,1.962,0.729031,0.71281 PUNA (NW Argentina),,,,,,,,,,,,,,,,,,, 300,A6,Tolar Chico Fm,,8,489,2.629,14.078,0.1129,0.511859,0.511497,-10,1416,1776,1948,46.6,25.9,5.218,0.74869,0.71233 301,A18,Tolar Chico Fm,,8,489,2.351,12.342,0.1151,0.511852,0.511483,-10.3,1468,1827,1966,32.6,19,4.993,0.746598,0.71181 302,A76,Tolar Chico Fm,,8,492,2.47,12.97,0.1151,0.511838,0.511467,-10.5,1493,1848,1984,53.4,25.7,6.049,0.75529,0.71288 303,A82,Tolar Chico Fm,,8,488,2.979,15.54,0.1159,0.511786,0.511416,-11.6,1605,1944,2054,43.7,28.5,4.455,0.742939,0.71196 304,A88,Tolar Chico Fm,,8,488,2.611,14.224,0.1109,0.511805,0.51145,-10.9,1480,1822,2010,42.4,16.2,7.593,0.762229,0.70943 305,A90,Tolar Chico Fm,,8,488,2.326,12.719,0.1105,0.511859,0.511506,-9.8,1378,1736,1938,65.5,34,5.597,0.74913,0.71021 306,A92,Tolar Chico Fm,,8,492,7.574,40.23,0.1138,0.511889,0.511522,-9.4,1377,1746,1913,172.9,23,22.044,0.853017,0.69847 307,A194,Tolillar Fm,,8,485,6.516,28.874,0.1364,0.512167,0.511734,-5.5,1192,1711,1632,162.5,214.1,2.199,0.721379,0.70618 308,A299,Tolillar Fm,,8,482,6.886,41.554,0.1002,0.512057,0.511741,-5.4,919,1315,1625,66.2,197.9,0.968,0.714751,0.7081 309,A303,Tolillar Fm,,8,480,6.939,33.502,0.1252,0.512145,0.511751,-5.2,1052,1533,1612,94.3,147.8,1.848,0.720124,0.70749 310,M5,Tolillar Fm,,8,480,6.289,38.452,0.0989,0.512051,0.51174,-5.5,916,1308,1628,95.1,306.4,0.899,0.713927,0.70778 311,M7,Tolillar Fm,,8,480,7.093,42.818,0.1001,0.512044,0.511729,-5.7,939,1332,1644,97.9,254.1,1.116,0.714722,0.70709 312,CU4,Tolillar Fm (ash),,8,485,4.814,21.251,0.1369,0.51213,0.511695,-6.2,1296,1796,1686,36.1,99.8,1.046,0.715882,0.70866 313,CU6,Tolillar Fm (ash),,8,485,4.32,19.934,0.131,0.512126,0.51171,-5.9,1189,1674,1665,129.1,134,2.794,0.727971,0.70866 314,B44,Tolillar Fm (ash),,8,478,0.934,4.731,0.1193,0.512128,0.511754,-5.2,1006,1466,1610,124.1,75.5,4.769,0.741175,0.7087 315,A208,Tolillar Fm (ash),,8,485,3.925,15.189,0.1562,0.512252,0.511756,-5,1454,2079,1600,20.1,60.1,0.968,0.714747,0.70806 316,A211,Tolillar Fm (ash),,8,484,4.782,17.501,0.1652,0.512184,0.51166,-6.9,2193,2711,1735,179.8,132.5,3.935,0.73285,0.70572 317,B35,Tolillar Fm (ash),,8,478,3.95,20.133,0.1186,0.512237,0.511866,-3.1,784,1283,1447,202.3,55.3,10.649,0.776108,0.70358 318,B119,Tolillar Fm (ash),,8,475,3.444,16.185,0.1286,0.512354,0.511954,-1.4,638,1226,1317,25.1,336.1,0.216,0.710272,0.70881 319,B19,Diablo Fm,,8,477,2.457,12.99,0.1143,0.512239,0.511882,-2.8,740,1226,1425,59.8,136.9,1.265,0.717067,0.70847 320,B86,Diablo Fm,,8,476,5.486,25.611,0.1295,0.512355,0.511951,-1.4,643,1236,1319,65.2,285.7,0.661,0.712306,0.70783 321,B90,Diablo Fm,,8,476,4.997,23.25,0.1299,0.512317,0.511912,-2.2,734,1310,1380,14.8,169.9,0.252,0.709542,0.70783 322,B96,Diablo Fm,,8,476,7.386,32.647,0.1368,0.512343,0.511917,-2.1,752,1374,1373,92.3,454.4,0.588,0.711911,0.70792 323,B130,Diablo Fm,,8,475,7.362,32.759,0.1359,0.512338,0.511915,-2.2,753,1367,1376,66.7,246.2,0.784,0.713413,0.70811 324,QH45,Coquena/Falda Cienaga fms,,8,473,4.226,20.234,0.1262,0.512069,0.511678,-6.9,1232,1682,1723,133,52.4,7.389,0.760252,0.71046 325,VQ22,Coquena/Falda Cienaga fms,,8,468,4.347,22.377,0.1174,0.512062,0.511702,-6.5,1108,1540,1695,65.2,83.9,2.253,0.726089,0.71107 326,17-Jan,Coquena/Falda Cienaga fms,,8,468,6.661,32.904,0.1224,0.512069,0.511694,-6.7,1167,1611,1706,90.7,64.7,4.069,0.738536,0.71141 327,19-Jan,Coquena/Falda Cienaga fms,,8,473,5.299,26.403,0.1213,0.512127,0.511751,-5.4,1035,1498,1621,105.3,83.1,3.675,0.73354,0.70877 328,LN2,Coquena/Falda Cienaga fms,,8,468,3.667,18.379,0.1206,0.512112,0.511742,-5.7,1055,1511,1639,41.7,32.7,3.701,0.73425,0.70957 Data sources:,,1. This work (NIGL),,,Parameters:,,,,,,,,,,Notes and Abbreviations: (recalculated) ,,2. Trouw et al. (1990),,,Raw data were normalized to 86Sr/88Sr= 0.1194 and 146Nd/144Nd=0.7219,,,,,,,,,,TPG Trinity Peninsula Group ,,"3. Herve & Pankhurst, unpublished",,,143Nd/144Nd relative to 0.511864 for La Jolla; 87Sr/86Sr relative to 0.710235 for NBS987,,,,,,,,,,GSG Greywacke-Shale Group ,,4. Augustsson & Bahlburg (2003),,,"*TDM# is two-stage crustal model according to DePaolo et al., 1991",,,,,,,,,,LGC Lago Genral Carrerea ,,5. Rapela et al. (1998),,,Constants used (present day):,,,,,,,,,,Gt garnet ,,"6. Rapela & Pankhurst, unpublished",,,147Sm/144Nd (CHUR)= 0.1966; 143Nd/144Nd (CHUR)= 0.512638,,,,,,,,,,mp metapelite ,,7. Pankhurst et al. (2003),,,147Sm/144Nd (DM)= 0.222; 143Nd/144Nd (DM)= 0.513114,,,,,,,,,,* where stratigraphy defined ,,8. Zimmermann & Bahlburg (2003),,,87Rb/86Sr (Bulk Earth)= 0.0839; 87Sr/86Sr (Bulk Earth)= 0.7045,,,,,,,,,,Ages are mostly best estimates