Campaign-style titanite U-Pb dating by ICP - Earth Science ...

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K.J. Spencer et al. / Chemical Geology 341 (2013) 84–10189Table 1Sample names, rock types, and titanite textures. Pb*, radiogenic lead; Pb c , common lead.8815G48822A98829A28830A118907C68911A58912C3A0713H1A0714L1A0714N1A0714RA0714U1A0715C1A0715KA0715M1A0715M2A0715R1A0715SA0715V2A0716A1A0717J1A0717M3A0717P1A0718C1A0718DA0718F1A0719H1A0720B1A0720C1A0720G1A0720J2A0720P1A0721A1A0721E2A0721E4A0721E5A0721G1A0722B1A0722D1A0722E1A0722G3A0722G5A0722H1A0722J1A0723A1A0723D1A0724HA0725G1A0725J4A0725KA0726D1A0727C1A0727H1A0727N1A0801MA0805C1E9803K1E9803K2E9804D12E9805KE9806B2E9806GE9808HE9808IE9809G1E9810A9E9810C1E9814B2E9816F2E9817A5E9819D2E1608G11E1612D1E1612FE1612I2Gurskøya; garnet–hornblende gneiss. Titanite 200 μm subhedral metamorphic matrix phase. 408 Ma former granuliteGodøy; concordant biotite–hornblende pegmatite. Titanite 100 μm subhedral phase. 401 MaRunde; clinopyroxene–hornblende–biotite amphibolite (retrogressed eclogite). Titanite 50 μm subhedral. 389 MaRemøyholmen; perthite–biotite mylonite with amphibolite-facies fabric. Titanite 50–200 μm anhedral, rotated by amphibolite-facies fabric. 391 MaVoksa; garnet–zoisite–diopside calc-silicate gneiss. Titanite subhedral–euhedral, 200–400 μm. 384 MaStadlandet; fine-grained, annealed mylonite. Titanite 50 μm, subhedral, synkinematic, rutile inclusions. 386 MaStadlandet; coarse-grained hornblendite. Titanite 100 μm, subhedral; includes inherited, Precambrian component. 397 MaMåløy; single 5 mm titanite porphyroclast in biotite–hornblende gneiss. Low Pb*/Pb c ratio.Husevågøy; single 10 mm titanite in hornblende–biotite–epidote gneiss. 392 Ma.Husevågøy; single 5 mm titanite in hornblende–biotite–epidote gneiss. Low Pb*/Pb c ratio.Husevågøy; single 10 mm titanite in hornblende–biotite–epidote gneiss. Low Pb*/Pb c ratio.Vågsøy; K-feldspar–biotite gneiss with weak amphibolite-facies fabric. Titanite 100 μm subhedral with rutile inclusions and darker anhedral grains to 200 μm.Titanite includes inherited, Precambrian component.Sørpollen; single 1500 μm titanite in discordant leucosome in biotite–K-feldspar gneiss.Nordpollen; biotite–zoisite gneiss. Titanite 100 μm anhedral; associated with zoisite. Low Pb*/Pb c ratio.Venøya; transposed granite pegmatite with porphyroclastic amphibolite-facies fabric. Titanite 100–200 μm anhedral; associated with ilmenite. Low Pb*/Pb c ratio.Venøya; partly annealed mylonitic K-feldspar–biotite gneiss. Titanite 75 μm anhedral polygonized rims on ilmenite. 385 MaFlister; hornblende–epidote gneiss. Titanite 200 μm anhedral; with rutile inclusions. 396 MaFlister; biotite gneiss. Titanite 200 μm euhedral. ~412 MaSelje; biotite gneiss. Titanite 100 μm subhedral. Low Pb*/Pbc ratio.Stadlandet; biotite gneiss.S Gurskøya; deformed, concordant hornblende–plagioclase–titanite leucosome. Titanite 200 μm, anhedral. 395 MaS Gurskøya; gray hornblende-bearing leucosome in eclogite strain shadows. Titanite 100 μm subhedral polycrystalline aggregates. 397 MaGurskøya; single 500 μm titanite in deformed hornblende–plagioclase leucosome. 388 Ma.Gurskøya; single 2 mm titanite in biotite gneiss. 398 Ma.Gurskøya; single 1.5 mm titanite in biotite gneiss. ~389 Ma.Blankholmen; single 500 μm titanite rim on rutile in gneiss. 395 Ma.Dimnøya; discordant, deformed hornblende–plagioclase–titanite leucosome. Titanite 200 μm, strongly resorbed, anhedral. 395 MaSula; single 2 mm titanite in eclogite boudin-neck leucosome. 399 Ma.Sula; calc-silicate gneiss. Titanite 100 μm, euhedral, unoriented.393 MaSula; single 2 mm titanite in deformed hornblende–plagioclase boudin-neck leucosome. 399 Ma.Magerholm; syn-amphibolite-facies, b1 cm granitic leucosomes in biotite amphibolite. Titanite 100–200 μm anhedral veinlets in hornblende. 393 Ma.Ålesund; single 2 mm titanite in weakly deformed hornblende–plagioclase leucosome. 393 Ma.Haramsøya; concordant plagioclase–hornblende leucosome. Titanite 100–300 μm, subhedral–euhedral. 392 Ma.Flemsøya; biotite–hornblende gneiss immediately adjacent to eclogite. Titanite 200 μm, subhedral–euhedral. 372 MaFlemsøya biotite–hornblende host gneiss; Titanite 200 μm, anhedral with rutile, biotite, and allanite inclusions. 377 MaFlemsøya; single 1 mm titanite in undeformed discordant, pegmatite causing garnet breakdown in host gneiss. 403 Ma.Lepsøya; K-feldspar–hornblende gneiss with strong planar fabric. Titanite 100–500 μm, subhedral. 400 MaEllingsøya; single 1 mm titanite in deformed, concordant hornblende–plagioclase leucosome. 404 Ma.Ellingsøya; single 1 mm titanite in K-feldspar augen gneiss. Titanite includes inherited, Precambrian component. 400 Ma.Giske; hornblende–biotite gneiss with strong amphibolite-facies fabric (“mylonitic”). Titanite 300 μm subhedral, weak undulatory extinction and mechanical twins;includes inherited, Precambrian component. 385 MaVigra; single 400 μm titanite in sheared hornblende–plagioclase–K-feldspar–garnet gneiss surrounding boudin. 402 Ma.Vigra; single 800 μm titanite in deformed, concordant hornblende–plagioclase leucosome. 400 Ma.Vigra; single 300 μm titanite in garnet–biotite–hornblende–plagioclase ‘Blåhø’ gneiss. 393 Ma.Vigra; granite mylonite. Titanite 150 μm, anhedral, with rutile inclusions. 385 MaVatne; biotite–hornblende gneiss with weak amphibolite-facies deformation. Titanite 200–600 μm, subhedral; includes inherited, Precambrian component. 394 Ma.S Brattvåg; single 1 mm titanite in biotite gneiss. 401 Ma.Otrøy; single 2 mm titanite in deformed hornblende–plagioclase pegmatite. 384 Ma.Gossa; plagioclase–hornblende leucosome in retrogressed eclogite.Gossa; calc-silicate gneiss. Titanite 500 μm, anhedral. 391 MaE of Molde; single 500 μm titanite in hornblende–biotite gneiss. Titanite includes inherited, Precambrian component. 413 Ma.Brattvåg; biotite gneiss with strong amphibolite-facies fabric (“mylonitic”). Titanite 150 μm, subhedral; includes inherited, Precambrian component. ~388 MaMidøya; amphibolite with strong amphibolite-facies fabric. Titanite 100 μm subhedral porphyroclasts. 397 MaOtrøy; single 300 μm titanite in biotite–hornblende gneiss. Titanite includes inherited, 434 Ma component. 403 Ma.Otrøy; K-feldspar augen gneiss with strong amphibolite-facies deformation. Titanite, 200 μm, euhedral–subhedral with brown rims and local mechanical(?) twins. 396 MaEllingsøya; single 2 mm titanite in biotite–K-feldspar gneiss. 405 Ma.Hareidlandet; single 500 μm titanite in biotite gneiss. 395 Ma.E Romsdal; single 500 μm titanite in hornblende–plagioclase gneiss. Includes inherited, Precambrian component.E Romsdal; hornblende–biotite gneiss. Titanite 100–700 μm; euhedral with many inclusions. Low Pb*/Pb c ratio.Trollstigen; biotite gneiss.Tafjord; garnet–hornblende gneiss (former granulite?). Titanite 100–150 μm, anhedral, some included in hornblende; includes inherited, Precambrian component. 390 Ma.Stordal; concordant leucosome in biotite–hornblende gneiss. Titanite 700 μm. 403 MaSjøholt; amphibolite with strong amphibolite-facies deformation. Titanite 100–200 μm subhedral, rotated and bent (pre-kinematic). 404 MaTafjord; hornblende–biotite gneiss. Titanite 75 μm, anhedral, polycrystalline rims on ilmenite. 391 MaTafjord; non-deformed, retrogressed eclogite. Titanite 50 μm, anhedral, polycrystalline rims on rutile. 389 MaHornindal; retrogressed eclogite. Titanite 200 μm anhedral rims on rutile. Low Pb*/Pb c ratio.Indre Nordfjord; muscovite–biotite gneiss with weak amphibolite-facies shear bands. Titanite 150 μm, subhedral–euhedral. Low Pb*/Pb c ratio.Indre Nordfjord; K-feldspar augen gneiss with moderate amphibolite-facies fabric. Titanite 300 μm subhedral, brown, local twins. ~982 MaHjørundfjord; biotite–garnet amphibolite. Titanite 100 μm anhedral, resorbed. 396 MaGrotli; amphibolite.Grotli; hornblende–biotite gneiss.Grotli; retrogressed eclogite.Strynfjellet tunnel; single 2 mm titanite from discordant granodioritic gneiss. ~967 MaW Ørstafjord; retrogressed eclogite. Titanite 100–200 μm anhedral rims on rutile and ilmenite; clearly post-eclogite. 392 MaE Ørstafjord; hornblende–biotite mylonitic gneiss. Titanite 50 μm anhedral laths in alteration of ilmenite. Low Pb*/Pb c ratio.E Ørstafjord; retrogressed eclogite. Titanite 200 μm anhedral rims on rutile. 392 Ma(continued on next page)
90 K.J. Spencer et al. / Chemical Geology 341 (2013) 84–101E1626EG9702E1G9702FG9704G1G9705R1G9705R2G9705Y1G9706G1G9706N1G9706V1G9707A1G9707N1G9707R2G9708Q4G9709K1J5810DJ5813I3J5814N3K1725B3K1725CK1727C1K1729A1K1730A1K1730C1K1730E1K1730G1K1730H1K1801F1K1802H1K1802J1K1803A1K1803C1K5702D2K7717KK7718I1K7718I2M8710A1M8710E1M8710F1M8711C1M8714GM8714J1P5624I9P5626H2P5626NP5626P1P5627D1P5627K4P5628E5P5628U1P5629A3P5630A1P5630A3P5630B2P5630G2P5701GP5710A5P6805B3P6805CP6805FP6806B1P6806F1P6806GP6807A2P6807C1P6807C2P6807DP6809B1P6814BP6815E1P6815F2P6815G1P6815H1P6817A1P6818A1P6821A1Grotli; garnet amphibolite.Rugsundøya; biotite–epidote gneiss with moderate amphibolite-facies deformation. Titanite 100 μm subhedral. 416 Ma incomplete resettingS Nordfjord; biotite–epidote gneiss with strong amphibolite-facies fabric. Titanite abundant, 300 μm, subhedral, twinned, brown, pre-kinematic. Low Pb*/Pb c ratio. ~950 MaUksenøya; single 3 mm titanite in deformed, concordant hornblende–plagioclase leucosome. 400 Ma.Valderøy; single 2 mm titanite in concordant hornblende–plagioclase leucosome. 402 Ma.Valderøy; ‘Blåhø’ garnet–biotite gneiss with amphibolite-facies shear bands. Titanite 100–200 μm, subhedral, porphyroclasts in matrix and in garnet. 412 MaBrattvåg; single 1 mm titanite in biotite–hornblende gneiss. 389 Ma.Brattvåg; ultramylonite. Titanite 150 μm anhedral porphyroclasts. Low Pb*/Pb c ratio.Brattvåg; hornblende–biotite gneiss with amphibolite-facies shear bands. Titanite 50–100 μm subhedral porphyroclasts. Includes inherited, Precambrian component. 393 MaTomrefjorden; syenite gneiss. Titanite 400 μm. Includes inherited, Precambrian component. 394 Ma.Dryna; garnet–diopside amphibolite with lower amphibolite-facies deformation and retrogression. Titanite 200–400 μm, abundant, twinned, brown, in matrix andgarnet. 394 MaOtrøy; retrogressed eclogite.Otrøy; strongly deformed, migmatitic hornblende–K-feldspar gneiss. Titanite 100–200 μm, anhedral. 379 MaGossa; single 1 cm titanite in biotite gneiss. 380 Ma.Harøy; concordant, deformed garnet–hornblende–rutile leucosome. Titanite 100–200 μm, anhedral, rimming rutile and ilmenite. 385 MaHornindal; fine-grained biotite–epidote gneiss. Titanite 100 μm anhedral. Includes inherited, Precambrian component. 390 MaEikesdalen; annealed mylonitic garnet–biotite K-feldspar augen gneiss. Titanite 100 μm anhedral rims on ilmenite. Includes inherited, Precambrian component.Low Pb*/Pb c ratio.Tingvoll; garnet amphibolite. Titanite 100 μm anhedral rims on ilmenite. Low Pb*/Pb c ratio.Norangsdalen; hornblende–biotite gneiss with post-eclogite facies fabric. Titanite 100 μm subhedral polycrystalline aggregates. 382 MaHellesylt; hornblende–biotite gneiss. Titanite 100 μm subhedral polycrystalline aggregates. 390 MaStore Toren; biotite–epidote–ilmenite vein. Titanite 100 μm euhedral rims on ilmenite. 383 Ma.Gødøya. 2 mm single crystal from concordant leucosome. 396 MaTomrefjorden; biotite–epidote granodiorite gneiss. Titanite 200 μm. Low Pb*/Pb c ratio. Includes inherited, Precambrian component.Tomrefjorden; concordant leucosome in hornblende–biotite granodiorite gneiss. Titanite 1200 μm. 394 MaVestnes; concordant leucosome in biotite-bearing granodiorite gneiss. Titanite 200 μm. Low Pb*/Pb c ratio.Vestnes; hornblende–biotite granodiorite gneiss. Titanite 200 μm. 403 MaInnfjorden; concordant leucosome in biotite-bearing granodiorite gneiss. Titanite 800 μm. 391 MaIkornes. 2 mm single crystal from leucosome discordant to eclogite. 397 MaHollingsholmen; hornblende–biotite granodiorite gneiss. Titanite 600 μm. 401 MaN of Molde; leucocratic biotite–hornblende gneiss. Titanite 100–150 μm subhedral rims on ilmenite. 380 MaStranda; hornblende–biotite gneiss.Hjørundfjord; hornblende–biotite–titanite gneiss. Titanite 100–200 μm, euhedral. 385 MaSula; hornblende–biotite gneiss. Titanite 200 μm subhedral; twinned with biotite inclusions. 389 MaVågsøy; discordant epidote-bearing granitic pegmatite. Titanite 100 μm euhedral igneous grains. 385 MaStadlandet; biotite–epidote gneiss. Titanite 100–200 μm subhedral. 408 Ma.Stadlandet; biotite–epidote gneiss. Titanite 1 mm subhedral.Bjornøy; hornblende–epidote–biotite gneiss with amphibolite-facies shear bands. Titanite subhedral–euhedral 200–400 μm; pre-kinematic. 394 MaRekdal; K-feldspar ultramylonite. Titanite abundant 75 μm, anhedral. 389 MaVestnes; single titanite in biotite gneiss.Bergsøya; single 1.5 mm titanite in hornblende–biotite gneiss. 399 Ma.Mardalsvoss; single 500 μm titanite in hornblende–biotite gneiss. Includes inherited, Precambrian component. Low Pb*/Pb c ratio.Romsdal; single 500 μm titanite in hornblende–plagioclase leucosome. Low Pb*/Pb c ratio.Austrefjord; biotite–K-feldspar gneiss. Titanite abundant 150 μm euhedral–anhedral. 394 MaAustrefjord; biotite–K-feldspar gneiss. Titanite 400 μm, with subgrains around rims; associated with ilmenite. Includes inherited, Precambrian component.Ørsta; discordant granitic leucosome in biotite–epidote gneiss. Titanite 200 μm anhedral. 392 MaØrsta; garnet–pyroxene amphibolite. Titanite 200–600 μm subhedral; rare rutile inclusions. 383 MaVartdal; garnet–zoisite–biotite gneiss. Titanite 100–200 μm anhedral rims on ilmenite. 400 MaYtre Storfjord; hornblende–biotite gneiss. Titanite 200–400 μm anhedral matrix grains and rims on ilmenite. 388 MaAustrefjord; leucocratic biotite mylonite. Titanite 50–100 μm, subhedral. ~388 MaDalsfjord; biotite gneiss. Titanite 200 μm, anhedral; locally polycrystalline. 395 MaØrsta; weakly deformed biotite–K-feldspar gneiss. Titanite 150–200 μm, anhedral, resorbed. 398 MaFiskå; garnet–hornblende–biotite gneiss. Abundant 200 μm, subhedral titanite; some included in garnet. Includes inherited, Precambrian component. Low Pb*/Pb c ratio.Fiskå; garnet–hornblende–biotite gneiss. Titanite 100 μm, anhedral titanite; some included in garnet. Low Pb*/Pb c ratio.Fiskå; single 3 mm titanite in biotite-rich horizon in gneiss. Low Pb*/Pb c ratio.Åram; single 1 cm titanite in undeformed, discordant hornblende–plagioclase leucosome. 400 MaHareidlandet. Titanite vein.Ørsta; concordant leucosome from hornblende–biotite gneiss. Titanite 300 μm. 398 Ma.Måløy; biotite–epidote gneiss formed by eclogite retrogression. Titanite 100–200 μm anhedral, some included in epidote. 397 MaMåløy; single 5 mm titanite in deformed, concordant leucosome in biotite–epidote gneiss. Low Pb*/Pb c ratio.Kjødspollen; single 500 μm titanite in biotite gneiss. Low Pb*/Pb c ratio.Stadlandet; hornblende–biotite gneiss. Titanite, 100 μm, euhedral–anhedral. 383 MaStadlandet; biotite–zoisite gneiss. Titanite 150 μm, subhedral, recrystallized. Includes inherited, Precambrian component. Low Pb*/Pb c ratio.Stadlandet; biotite–K-feldspar gneiss. Low Pb*/Pb c ratio.Stadlandet; biotite–zoisite symplectite gneiss. Titanite 150 μm, subhedral. 393 MaFure; hornblende–biotite mylonitic gneiss. Titanite 100–200 μm, euhedral. Low Pb*/Pb c ratio.Fure; biotite–epidote mylonitic gneiss. Titanite 100 μm, euhedral. 384 MaFure; garnet–zoisite mylonitic gneiss. Titanite 200–300 μm, subhedral. 377 MaStrynfjellet; single titanite in hornblende–biotite gneiss. Low Pb*/Pb c ratio.Maurstad; biotite gneiss. Titanite 100–200 μm subhedral. Includes inherited, Precambrian component.Koparneset; garnet–hornblende–zoisite gneiss. Titanite 100–200 μm, some included in garnet and zoisite. Low Pb*/Pb c ratio. Includes inherited, Precambrian component.Koparneset; single 1 mm titanite in deformed, concordant hornblende–plagioclase leucosome. 390 Ma.Koparneset; single 500 μm titanite in deformed, concordant hornblende–plagioclase leucosome. 397 Ma.Koparneset; single titanite in biotite-rich layer in gneiss. Low Pb*/Pbc ratio.Vigra; hornblende–biotite–scapolite gneiss. Titanite 200–600 μm subhedral–anhedral; some included in hornblende. ~384 MaBrattvåg; single titanite in gneiss with strong amphibolite-facies deformation. Titanite 1000 μm anhedral porphyroclasts. Includes inherited, Precambrian component.Low Pb*/Pb c ratio.Austefjord; biotite gneiss with amphibolite-facies shear bands. Titanite 200 μm, euhedral. 394 Ma(continued on next page)
Page 1 and 2: Chemical Geology 341 (2013) 84-101C
Page 4 and 5: K.J. Spencer et al. / Chemical Geol
Page 8 and 9: Table 1 (continued)K.J. Spencer et
Page 20 and 21: 57657757857958058158258358458558658
Page 22 and 23: 62662762862963063163263363463563663
Page 24 and 25: 67367467567667767867968068168268368
Page 26 and 27: Table 3a. Zr in titanite measuremen
Page 28 and 29: 173 374 2 818 15A0716A1_gr. 1 0 16
Page 30 and 31: 263 85 8 736 15A0718D_gr3 0 80 9 73
Page 32 and 33: 320 340 2 812 15360 332 2 811 15A07
Page 34 and 35: 23 98 7 743 1546 109 7 749 1569 105
Page 36 and 37: A0722G5_gr1 0 254 3 795 15163 266 3
Page 38 and 39: 61 197 4 781 15122 164 5 771 15183
Page 40 and 41: 198 342 2 812 15232 369 2 817 15264
Page 42 and 43: 26 350 2 814 1539 356 2 815 1552 33
Page 44 and 45: 272 391 2 820 15311 391 2 820 15350
Page 46 and 47: 227 168 4 772 15340 164 5 771 15453
Page 48 and 49: 598 60 12 719 15G9708Q4_gr. 3 0 75
Page 50 and 51: 482 80 9 733 15563 84 8 736 15643 5
Page 52 and 53: 642 12 59 645 201155 26 27 679 15P5
Page 54 and 55: 62 126 6 756 1582 142 5 763 15P5710
Page 56 and 57:
288 132 6 759 15360 172 4 773 15432
Page 58 and 59:
422 213 4 785 15475 129 6 758 15R98
Page 60 and 61:
Table 4 appendix. Ontario-2 titanit
Page 62 and 63:
701702703704Appendix Table A5: Sett
Page 64 and 65:
8829A28830A1115 2.2 82 34 11.82 0.5
Page 66 and 67:
8912C3A0714L115 0.9 5 42 4.32 0.18
Page 68 and 69:
A0715M2A0715R114 36.5 310 277 7.18
Page 70 and 71:
A0717M34 5.9 201 68 14.39 0.16 0.13
Page 72 and 73:
A0718D5 4.7 771 115 15.01 0.34 0.08
Page 74 and 75:
A0720B1A0720J27 10.0 108 88 13.90 0
Page 76 and 77:
A0721E2A0721E47 7.9 1223 79 15.55 0
Page 78 and 79:
A0722B1A0722D110 7.5 791 28 15.20 0
Page 80 and 81:
A0722G5A0722H12 1.6 272 88 14.78 0.
Page 82 and 83:
A0724H4 6.0 317 222 14.01 0.17 0.10
Page 84 and 85:
A0726D1A0727C119 18.9 301 639 10.18
Page 86 and 87:
A0727N1A0801M23 2.6 1233 70 15.24 0
Page 88 and 89:
E9805KE9806B22 22.4 9 463 10.92 0.1
Page 90 and 91:
E9810C1E9814B222 3.8 25 45 5.16 0.1
Page 92 and 93:
G9702E1G9702FG9704G17 4.3 9 41 4.86
Page 94 and 95:
G9705YG9706N127 1.6 204 47 14.27 0.
Page 96 and 97:
G9707N1G9707R25 2.2 41 40 12.78 0.2
Page 98 and 99:
20 5.0 82 44 8.53 0.14 0.4336 0.009
Page 100 and 101:
K1725CK1727C125 2.1 7 50 2.75 0.17
Page 102 and 103:
K1729A1K1729F527 5.2 397 51 14.97 0
Page 104 and 105:
K1730G1K1730H120 1.3 278 21 15.01 0
Page 106 and 107:
K1802HK1802J129 7.8 110 54 11.39 0.
Page 108 and 109:
K7717KK7718I18 4.0 707 84 15.68 0.3
Page 110 and 111:
M8714G4 2.0 511 65 15.24 0.35 0.089
Page 112 and 113:
P5626H2P5626N16 6.8 523 42 13.65 0.
Page 114 and 115:
P5628E5P5628U4 4.3 83 76 13.89 0.23
Page 116 and 117:
P5630G2P5710A514 3.3 13 54 3.15 0.1
Page 118 and 119:
P6806B1P6806F1P6806G26 36.0 1662 68
Page 120 and 121:
P6807DP6809B18 2.4 3 42 1.08 0.07 0
Page 122 and 123:
P6815F2P6815G122 3.3 15 49 3.73 0.0
Page 124 and 125:
P6821A1P6824F1P6826I135 7.3 311 127
Page 126 and 127:
R9825E1R9828B211 11.2 216 48 9.43 0
Page 128 and 129:
R1617B19 1.8 61 49 11.07 0.21 0.312
Page 130 and 131:
Y0820C2Y0829J2Y1525A51 8.8 12 45 3.
Page 132 and 133:
25 17.8 24 50 1.25 0.02 0.8159 0.01
Page 134 and 135:
Paton, C., Hellstrom, J.C., Paul, B
Page 136 and 137:
0.170.15207 Pb206 Pbellipses are 2s
Page 138:
Figure 4a. Tera-Wasserburg diagrams
Page 141 and 142:
A0717J1A0718C10.200.18Intercept = 0
Page 143 and 144:
0.8A0721E40.28A0722B10.6Intercept =
Page 145 and 146:
0.5A0724HIntercept = 0.930 ± 0.013
Page 147 and 148:
1.0E9803K10.8E9806B20.80.6Intercept
Page 149 and 150:
1.1G9702E10.17G9705R10.9Intercept =
Page 151 and 152:
G9709K11.0J5810D0.24Intercept = 0.9
Page 153 and 154:
K1730A1K1730H11.00.80.60.5Intercept
Page 155 and 156:
M8710A1M8714G0.6Intercept = 0.912
Page 157 and 158:
1.0P5628E51.0P5630A30.8Intercept =
Page 159 and 160:
1.0P6814B1.10.9P6807C2Intercept = 0
Page 161 and 162:
R9828B20.80.6Intercept = 0.896 ± 0
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