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["Table 3. "]
[]
["ACAPULCO (acapulcoite)"]
[]
["thirty-three","Ar-Ar",4.5069999999999997,1.7999999999999999E-2," ","Renne 2000","isochron age"]
["analyses of"]
["two aliquots of"]
["plagioclases"]
["phosphates","Pb-Pb",4.5570000000000004,2E-3," ","Göpel, Manhès, and Allègre 1992 abstract","isochron age"]
["sixteen samples","207Pb-206Pb",4.5564999999999998,1.2999999999999999E-3,"phosphates— external","Amelin 2005; Amelin, Wadhwa, and Lugmair 2006","isochron age"]
[null,null,null,null,"normalization (EN)"]
["sixteen samples","207Pb-206Pb",4.5564999999999998,1E-3,"phosphates— double spike (DS)","Amelin 2005; Amelin, Wadhwa, and Lugmair 2006","isochron age"]
["sixteen samples","207Pb-206Pb",4.5565199999999999,7.7999999999999999E-4,"phosphates— EN+DS","Amelin 2005; Amelin, Wadhwa, and Lugmair 2006","isochron age"]
["three phosphate and three multigrain fractions","207Pb-206Pb",4.5551000000000004,1.2999999999999999E-3," ","Amelin and Pravdivtseva 2005","isochron age"]
["three phosphate and three multigrain fractions","U-Pb",4.5549999999999997,3.2000000000000002E-3,"concordia-constrained linear 3D isochron","Amelin and Pravdivtseva 2005","isochron age"]
["four minerals + leachate + residue (fines)","Sm-Nd",4.6050000000000004,3.2000000000000001E-2," ","Prinzhofer, Papanastassiou, and Wasserburg 1992","isochron age"]
[" ","Mn-Cr",4.5549999999999997,1.1999999999999999E-3," ","Zipfel et al. 1995","isochron age"]
[" ","Mn-Cr",4.5510000000000002,1.1999999999999999E-3," ","Lugmair and Shukolyukov 1998","isochron age"]
["phosphates","I-Xe",4.5570000000000004,2E-3," ","Brazzle et al. 1999","isochron age"]
["feldspars","I-Xe",4.5620000000000003,3.0000000000000001E-3," ","Brazzle et al. 1999","isochron age"]
[]
["CADDO COUNTY (IAB iron)"]
[]
["fifteen extractions from one sample","Ar-Ar",4.5039999999999996,1.2E-2," ","Bogard, Garrison, and Takeda 2005","isochron age"]
["twenty-five extractions from one sample","Ar-Ar",4.51,8.0000000000000002E-3," ","Bogard Garrison, and Takeda 2005","isochron age"]
["twenty extractions from one sample","Ar-Ar",4.4829999999999997,1.2E-2," ","Bogard Garrison, and Takeda 2005","isochron age"]
["mineral separates plus whole rock","Rb-Sr",4.57,0.23,"plagioclase, diopside, impure diopside, and whole rock","Liu et al. 2002a","isochron age"]
["seven mineral separates (plag., diop.) plus whole rock","Rb-Sr",4.5199999999999996,0.03,"Liu et al. 2002a separates plus two each more plag and diop.","Liu et al. 2002b","isochron age"]
["Plag and cpx separates (silicate inclusion)","Sm-Nd",4.41,0.03," ","Stewart, Papanastassiou, and Wasserburg 1993","isochron age"]
["three samples of cpx and plag.","Sm-Nd",4.53,0.02," ","Stewart, Papanastassiou, and Wasserburg 1996","isochron age"]
["mineral separates plus whole rock","Sm-Nd",4.5,0.04,"plagioclase, diopside, impure diopside, and whole rock","Liu et al. 2002a","isochron age"]
["eight extractions from one sample","I-Xe",4.5579000000000001,1E-4," ","Bogard, Garrison, and Takeda 2005","isochron age"]
[]
["Table 4. "]
[]
["ACAPULCO"]
["six extractions","Ar-Ar",4.5,0.01," ","Bogard et al. 1993","plateau age"]
[" ","Ar-Ar",4.5030000000000001,1.0999999999999999E-2," ","McCoy et al. 1996","step heating age"]
[" ","Ar-Ar",4.51,0.02," ","McCoy et al. 1996","plateau age"]
[" ","Ar-Ar",4.5140000000000002,1.6E-2," ","Pellas et al. 1997","plateau age"]
[" ","Ar-Ar",4.5540000000000003," "," ","Renne 2000","model age"]
["two plagioclases","Ar-Ar",4.5090000000000003,1.6E-2," ","Renne 2000","step heating plateau age"]
[" ","Ar-Ar",4.5010000000000003,3.1E-2," ","Renne 2000","step heating plateau age"]
["Pellas et al. 1997 age, revised","Ar-Ar",4.5019999999999998,5.0000000000000001E-3," ","Trieloff, Jessberger, and Fiéni 2001","plateau age"]
["average of McCoy et al. (1996), Pellas et al. (1997), and Renne (2000) revised","Ar-Ar",4.5039999999999996,3.0000000000000001E-3," ","Trieloff, Jessberger, and Fiéni 2001","plateau age"]
["updated decay constants","Ar-Ar",4.5179999999999998,0.01," ","Bogard 2011","model age"]
[" ","K-Ar",4.7,0.3," ","Palme et al. 1981","model age"]
["apatite grains (73 measurements)","Pb-Pb",4.5553999999999997,5.1999999999999998E-3,"weighted mean","Zhou et al. 2012","model age"]
["weighted mean","U-Th/He",4.5380000000000003,3.2000000000000001E-2," ","Min et al. 2003","model age"]
["of five oldest of"]
["twelve samples"]
["weighted mean of three oldest of twelve samples","U-Th/He",4.5759999999999996,0.03," ","Min et al. 2003","model age"]
["merrilite","Pu-Xe",4.41,1.6E-2," ","Pellas et al. 1997","model age"]
["apatite","Pu-Xe",4.4000000000000004,1.6E-2," ","Pellas et al. 1997","model age"]
[]
["CADDO COUNTY (IAB iron)"]
["mean value","Ar-Ar",4.5199999999999996,5.0000000000000001E-3,"average","Takeda et al. 2000","plateau age"]
["of seventeen"]
["extractions"]
["fifteen extractions from one sample","Ar-Ar",4.508,1.2999999999999999E-2,"(or 4.528)","Bogard et al. 2005","plateau age"]
["twenty-five extractions from one sample","Ar-Ar",4.5060000000000002,0.01,"(or 4.527)","Bogard et al. 2005","plateau age"]
["twenty extractions from one sample","Ar-Ar",4.4889999999999999,2.3E-2,"(or 4.487)","Bogard et al. 2005","plateau age"]
[" ","Ar-Ar",4.5279999999999996,1.2999999999999999E-2,"using latest decay constants on Bogard et al. 2005 ages","Vogel and Renne 2008","plateau age"]
[" ","Ar-Ar",4.5270000000000001,0.01,"using latest decay constants on Bogard et al. 2005 ages","Vogel and Renne 2008","plateau age"]
[" ","Ar-Ar",4.4870000000000001,2.3E-2,"using latest decay constants on Bogard et al. 2005 ages","Vogel and Renne 2008","plateau age"]
["plagioclase separates from silicate inclusion","Ar-Ar",4.4720000000000004,0.02," ","Vogel and Renne 2008","plateau age"]
[" ","Ar-Ar",4.5419999999999998,0.02," ","Vogel and Renne 2008","plateau age"]
[" ","Ar-Ar",4.5519999999999996,0.02," ","Vogel and Renne 2008","plateau age"]
[" ","Ar-Ar",4.5519999999999996,0.02," ","Vogel and Renne 2008","plateau age"]
[" ","Ar-Ar",4.532,0.02," ","Vogel and Renne 2008","plateau age"]
[" ","Ar-Ar",4.5620000000000003,0.02," ","Vogel and Renne 2008","plateau age"]
["mineral separates","Rb-Sr",4.55," "," ","Liu et al. 2002a","model age"]
["mineral separates","Rb-Sr",4.59," "," ","Liu et al. 2002a","model age"]
[" ","Hf-W",4.5609999999999999,2E-3," ","Markowski et al. 2006 in Vogel and Renne 2008","model age"]
[]
["Table 5. "]
[]
["ANGRA DOS REIS (ADOR)"]
[]
["six total meteorite, a pyroxene, and two whitlockite samples","Rb-Sr",4.47,0.24," ","Wasserburg et al. 1977","isochron age"]
["two whole rock samples plotted with one D’Orbigny whole rock sample","Rb-Sr",4.5599999999999996," "," ","Hans, Kleine, and Bourdon 2010","isochron age"]
[" ","Pb-Pb",4.5566000000000004,2.0000000000000001E-4," ","Kleine et al. 2012","isochron age"]
["three samples plotted with St. Severin phosphates","207Pb-204Pb",4.5579999999999998,6.0000000000000001E-3," ","Tera and Carlson 1999","isochron age"]
["isochron with several other meteorites and Canyon Diablo","207Pb-206Pb",4.5549999999999997,5.0000000000000001E-3," ","Tatsumoto, Knight, and Allègre 1973","isochron age"]
["two samples on isochron wih 11 Alende and two St Severin samples","207Pb-206Pb",4.5510000000000002,4.0000000000000001E-3," ","Chen and Wasserburg 1981","isochron age"]
["pyroxene and plagioclase separates","207Pb-206Pb",4.5586000000000002,5.9999999999999995E-4," ","Zartman, Jagoutz, and Bowring 2006","isochron age"]
["pyroxene fractions 1R-3R + 5R","207Pb-206Pb",4.5571000000000002,3.5999999999999999E-3," ","Amelin 2008","isochron age"]
["all five pyroxene fractions","207Pb-206Pb",4.5576600000000003,1.2999999999999999E-4," ","Amelin 2008","isochron age"]
["pyroxene separate plotted with four mined separates from another meteorite","207Pb/206Pb-204Pb/206Pb",4.5578000000000003,4.2000000000000002E-4," ","Lugmair and Galer 1992","isochron age"]
["pyroxene fractions 1R-3R + 5R + 5R wash","U-Pb",4.5575999999999999,1.4999999999999999E-4," ","Amelin 2008","isochron age"]
["all five pyroxene fractions + 4R and 5R washes","U-Pb",4.5571000000000002,5.0000000000000001E-4," ","Amelin 2008","isochron age"]
["three phosphate and four","Sm-Nd",4.55,0.04," ","Lugmair and Marti 1977","isochron age"]
["pyroxene samples"]
["four total rock, four whitlockite, and one pyroxene analeses","Sm-Nd",4.5640000000000001,3.6999999999999998E-2," ","Jacobsen and Wasserburg 1984","isochron age"]
["whole rock, pyroxene, and mixed fractions","Hf-W",4.556,8.9999999999999998E-4," ","Kleine et al. 2012","isochron age"]
[]
["D’ORBIGNY"]
[]
["plagioclase separates, relative to Allende CAI’s","Al-Mg",4.5602999999999998,4.0000000000000002E-4," ","Nyquist et al. 2003","isochron age"]
["whole rock, olivene, pyroxene and plagioclase separates (relative to LEW 86010)","Al-Mg",4.5627000000000004,1.1000000000000001E-3," ","Spivak-Birndorf, Wadhwa, and Janney 2005","isochron age"]
["whole rock, olivene, pyroxene and plagioclase (2) separates, relative to E60 Pb-Pb","Al-Mg",4.5624200000000004,2.9E-4," ","Spivak-Birndorf, Wadhwa, and Janney 2009","isochron age"]
["whole rock, olivene, pyroxene and plagioclase (2) separates, relative to CAI Pb-Pb","Al-Mg",4.5625,2.9999999999999997E-4," ","Schiller, Baker, and Bizzarro 2010","isochron age"]
["Spivak-Birndorf, Wadhwa, and Janney (2009) data relative to Allende CAI Pb-Pb","Al-Mg",4.5628000000000002,4.0000000000000002E-4," ","Schiller, Baker and Bizzarro 2010","isochron age"]
["six separates (whole rock and pyroxene); relative to CAIs","Hf-W",4.5624000000000002,1.2999999999999999E-3," ","Markowski et al. 2007","isochron age"]
["relative to E60 CAI Pb-Pb using Markowski et al (2007) data","Hf-W",4.5631000000000004,8.0000000000000004E-4," ","Spivak-Birndorf, Wadhwa, and Janney 2009","isochron age"]
["Markowski et al. (2007) data relative to Allende CAI Pb-Pb","Hf-W",4.5636999999999999,1E-3," ","Schiller, Baker, and Bizzarro 2010","isochron age"]
["relative to Brennecka and Wadhwa (2011) Pb-Pb age: whole rock (2); pyroxene (3); and olivene separates (1)","Hf-W",4.5633999999999997,2.9999999999999997E-4," ","Kleine et al. 2012","isochron age"]
["recalibration of Kleine et al. (2012) value relative to Connelly et al (2012) Pb-Pb age of CAIs","Hf-W",4.5628000000000002,5.9999999999999995E-4," ","Kruijer et al. 2014","isochron age"]
["whole rock, pyroxene (2) fractions, relative to LEW 86010","Mn-Cr",4.5616000000000003,5.0000000000000001E-4," ","Nyquist et al. 2003","isochron age"]
["whole rock, chromite and two glass fractions","Mn-Cr",4.5621999999999998,5.9999999999999995E-4," ","Glavin, Jagoutz, and Lugmair 2003","isochron age"]
["eleven fractions—total rock, silicates, spinel (2), olivine (4), pyroxene and glass (2) relative to LEW 86010","Mn-Cr",4.5629,5.9999999999999995E-4," ","Glavin et al. 2004","isochron age"]
["whole rock, olivine, pyroxene and plagioclase separates (relative to LEW 86010)","Mn-Cr",4.5625,5.0000000000000001E-4," ","Spivak-Birndorf, Wadhwa, and Janney 2005","isochron age"]
["relative to LEW 86010","Mn-Cr",4.5621999999999998,5.0000000000000001E-4," ","Sugiura, Miyazaki, and Yanai 2005","isochron age"]
["whole rock","Mn-Cr",4.5632000000000001,5.9999999999999995E-4," ","Shukolyukov and Lugmair 2007","isochron age"]
["relative to LEW 86010 Pb-Pb and Glavin et al. (2004) data","Mn-Cr",4.5636999999999999,4.0000000000000002E-4," ","Spivak-Birndorf, Wadhwa, and Janney 2009","isochron age"]
["relative to LEW 86010 Pb-Pb and","Mn-Cr",4.5629,6.9999999999999999E-4," ","Spivak-Birndorf, Wadhwa, and Janney 2009","isochron age"]
["Nyquist et al. (2003) and Sugiura,"]
["Miyazaki, and Yanai (2005) data"]
["Sugiura, Miyazaki, and Yanai (2005) data relative to Allende CAI Pb-Pb","Mn-Cr",4.5637999999999996,6.9999999999999999E-4," ","Schiller, Baker, and Bizzarro 2010","isochron age"]
["Glavin et al. (2004) data relative to Allende CAI Pb-Pb","Mn-Cr",4.5646000000000004,2.9999999999999997E-4," ","Schiller, Baker, and Bizzarro 2010","isochron age"]
["four-step dissolution of whole","Pb-Pb",4.5629999999999997,2.5000000000000001E-3," ","Zartman, Jagoutz, and Bowring 2006","isochron age"]
["rock (minus drusy pyroxenes)"]
["pyroxene (5) and whole rock (3) separates","Pb-Pb",4.5646300000000002,2.7999999999999998E-4," ","Amelin 2007","isochron age"]
["pyroxene (4) and whole rock (5) separates","Pb-Pb",4.5642399999999999,2.9E-4," ","Amelin 2008","isochron age"]
["pyroxene (4) and whole rock (6) separates","Pb-Pb",4.5645300000000004,2.0000000000000001E-4," ","Amelin 2008","isochron age"]
["plagioclase separate plotted with eleven other samples, relative to LEW 86010","Rb-Sr",4.5599999999999996," "," ","Nyquist et al. 2003","isochron age"]
["one whole rock sample plotted with two ADOR whole rock samples","Rb-Sr",4.5599999999999996," "," ","Hans, Kleine, and Bourdon 2010","isochron age"]
["whole rock sample plotted with whole rock samples of four other angrites","Lu-Hf",4.5759999999999996,4.9000000000000002E-2," ","Amelin, Wimpenny, and Yin 2011","isochron age"]
["four mineral fractions and two whole rock samples","Lu-Hf",4.5199999999999996,9.7000000000000003E-2," ","Sanborn, Carlson, and Wadhwa 2012","isochron age"]
["whole rock with mafic minerals (2)","Sm-Nd",4.5999999999999996,7.0000000000000007E-2," ","Nyquist et al. 2003","isochron age"]
["pyroxene and plagioclase separates","Sm-Nd",3.08,0.05," ","Tonui, Ngo, and Papanastassiou 2003","isochron age"]
["whole rock, pyroxene and plagioclase fractions","Sm-Nd",4.5069999999999997,8.8999999999999996E-2," ","Sanborn Carlson, and Wadhwa 2011","isochron age"]
["pyroxene (5) and whole rock (3) separates (3D-linear)","U-Pb",4.5650000000000004,2.3E-3," ","Amelin 2007","isochron age"]
["pyroxene (4) and whole rock (5) separates","U-Pb",4.5646399999999998,2.7E-4," ","Amelin 2008","isochron age"]
[]
[]
["Table 6."]
[]
["ANGRA DOS REIS (ADOR)"]
[]
["total meteorite","207Pb-206Pb",4.5460000000000003,1E-3," ","Wasserburg et al. 1977","model age"]
["whitlockite-A","207Pb-206Pb",4.5430000000000001,1E-3," ","Wasserburg et al. 1977","model age"]
["whitlockite-B","207Pb-206Pb",4.5439999999999996,1E-3," ","Wasserburg et al. 1977","model age"]
["whitlockite-C","207Pb-206Pb",4.54," "," ","Wasserburg et al. 1977","model age"]
["whitlockite","207Pb-206Pb",4.5529999999999999,8.0000000000000002E-3," ","Chen and Wasserburg 1981","model age"]
["whole rock","207Pb-206Pb",4.5510000000000002,4.0000000000000001E-3," ","Chen and Wasserburg 1981","model age"]
["pyroxene separate","207Pb-206Pb",4.5578000000000003,4.2000000000000002E-4," ","Lugmair and Galer 1992","model age"]
["five pyroxene fractions— weighted average, primordial Pb","207Pb-206Pb",4.5576499999999998,1.2999999999999999E-4," ","Amelin 2008","model age"]
["five pyroxene fractions— weighted average, 204Pb analytical","207Pb-206Pb",4.5576800000000004,1.2999999999999999E-4," ","Amelin 2008","model age"]
["fraction 1R, Px","207Pb-206Pb",4.5576999999999996,2.9999999999999997E-4," ","Amelin 2008","model age"]
["fraction 1R, Px","207Pb-206Pb",4.5576999999999996,2.9999999999999997E-4," ","Amelin 2008","model age"]
["fraction 2R, Px","207Pb-206Pb",4.5576999999999996,2.9999999999999997E-4," ","Amelin 2008","model age"]
["fraction 2R, Px","207Pb-206Pb",4.5576999999999996,2.9999999999999997E-4," ","Amelin 2008","model age"]
["fraction 3R, Px","207Pb-206Pb",4.5575000000000001,2.9999999999999997E-4," ","Amelin 2008","model age"]
["fraction 3R, Px","207Pb-206Pb",4.5575000000000001,2.9999999999999997E-4," ","Amelin 2008","model age"]
["fraction 4R, Px","207Pb-206Pb",4.5567000000000002,2.9999999999999997E-4," ","Amelin 2008","model age"]
["fraction 4R, Px","207Pb-206Pb",4.5587,2.9999999999999997E-4," ","Amelin 2008","model age"]
["fraction 5R, Px","207Pb-206Pb",4.5578000000000003,2.9999999999999997E-4," ","Amelin 2008","model age"]
["fraction 5R, Px","207Pb-206Pb",4.5578000000000003,2.9999999999999997E-4," ","Amelin 2008","model age"]
["4W3, Px Wash-3","207Pb-206Pb",4.5564999999999998," "," ","Amelin 2008","model age"]
["5W3, Px Wash-3","207Pb-206Pb",4.5587999999999997," "," ","Amelin 2008","model age"]
["using 2012 U isotope compositions","Pb-Pb",4.5566000000000004,2.5999999999999998E-4," ","Brennecka and Wadhwa 2012","model age"]
["total meteorite","206Pb-238U",4.63,7.0000000000000007E-2," ","Wasserburg et al. 1977","model age"]
["whitlockite-A","206Pb-238U",4.6100000000000003,7.0000000000000007E-2," ","Wasserburg et al. 1977","model age"]
["whitlockite-B","206Pb-238U",4.5460000000000003,3.7999999999999999E-2," ","Wasserburg et al. 1977","model age"]
["whitlockite-C","206Pb-238U",4.5," "," ","Wasserburg et al. 1977","model age"]
["whitlockite","206Pb-238U",4.5,0.2," ","Chen and Wasserburg 1981","model age"]
["whole rock","206Pb-238U",4.55,0.06," ","Chen and Wasserburg 1981","model age"]
["pyroxene separate","206Pb-238U",4.5860000000000003,1.4999999999999999E-2," ","Lugmair and Galer 1992","model age"]
["fraction 1R, Px","206Pb-238U",4.5547000000000004," "," ","Amelin 2008","model age"]
["fraction 2R, Px","206Pb-238U",4.5529999999999999," "," ","Amelin 2008","model age"]
["fraction 3R, Px","206Pb-238U",4.556," "," ","Amelin 2008","model age"]
["fraction 4R, Px","206Pb-238U",4.5685000000000002," "," ","Amelin 2008","model age"]
["fraction 5R, Px","206Pb-238U",4.3983999999999996," "," ","Amelin 2008","model age"]
["4W3, Px Wash-3","206Pb-238U",5.5349000000000004," "," ","Amelin 2008","model age"]
["5W3, Px Wash-3","206Pb-238U",5.6581000000000001," "," ","Amelin 2008","model age"]
["total meteorite","208Pb-232Th",4.53,0.1," ","Wasserburg et al. 1977","model age"]
["whitlockite-A","208Pb-232Th",4.5999999999999996,0.11," ","Wasserburg et al. 1977","model age"]
["whitlockite-B","208Pb-232Th",4.54,5.2999999999999999E-2," ","Wasserburg et al. 1977","model age"]
["whitlockite-C","208Pb-232Th",4.54," "," ","Wasserburg et al. 1977","model age"]
["pyroxene separate","235U-207Pb",4.5659999999999998,4.7000000000000002E-3," ","Lugmair and Galer 1992","model age"]
[]
["D’ORBIGNY"]
[]
["whole rock","Al-Mg",4.5660100000000003,2.5000000000000001E-4," ","Baker et al. 2005","model age"]
["relative to CAI Pb-Pb","Al-Mg",4.5637499999999998,4.0000000000000002E-4," ","Schiller, Baker, and Bizzarro 2010","model age"]
["relative to D’Orbigny Pb-Pb","Al-Mg",4.5655999999999999,4.0000000000000002E-4," ","Schiller, Baker, and Bizzarro 2010","model age"]
["whole rock","Pb-Pb",4.5180800000000003,9.0000000000000006E-5," ","Baker et al. 2005","model age"]
["hand-picked druse pyroxene fractions subjected to leaches of differing severity","Pb-Pb",4.5632000000000001,1.1000000000000001E-3," ","Zartman, Jagoutz, and","model age"]
[null,null,null,null,null,"Bowring 2006"]
["hand-picked druse pyroxene fractions subjected to leaches of differing severity","Pb-Pb",4.5643000000000002,8.0000000000000004E-4," ","Zartman, Jagoutz, and","model age"]
[null,null,null,null,null,"Bowring 2006"]
["hand-picked druse pyroxene fractions subjected to leaches of differing severity","Pb-Pb",4.5637999999999996,8.0000000000000004E-4," ","Zartman, Jagoutz, and","model age"]
[null,null,null,null,null,"Bowring 2006"]
["hand-picked druse pyroxene fractions subjected to leaches of differing severity","Pb-Pb",4.5693999999999999,2.8E-3," ","Zartman, Jagoutz, and","model age"]
[null,null,null,null,null,"Bowring 2006"]
["hand-picked druse pyroxene fractions subjected to leaches of differing severity","Pb-Pb",4.5585000000000004,3.3E-3," ","Zartman, Jagoutz, and","model age"]
[null,null,null,null,null,"Bowring 2006"]
["weighted mean of the first three hand-picked druse pyroxene fractions (above) with two other designated as “aberrant”","Pb-Pb",4.5639000000000003,5.9999999999999995E-4," ","Zartman, Jagoutz, and","model age"]
[null,null,null,null,null,"Bowring 2006"]
[" ","Pb-Pb",4.5629999999999997,1E-3," ","Spivak-Birndorf, Wadhwa, and Janney 2005","model age"]
["pyroxene (5) and whole rock (3) separates (weighted average)","Pb-Pb",4.5644799999999996,2.4000000000000001E-4," ","Amelin 2007","model age"]
["pyroxene (5) and whole rock (8) separates (weighted average assuming primordial Pb)","Pb-Pb",4.5644200000000001,1.2E-4," ","Amelin 2008","model age"]
["pyroxene (5) and whole rock (8) separates (weighted average assuming analytical Pb)","Pb-Pb",4.5645300000000004,1.9000000000000001E-4," ","Amelin 2008","model age"]
["recalculated Amelin","Pb-Pb",4.5637999999999996,4.0000000000000002E-4," ","Brennecka et al. 2010","model age"]
["(2008) weighted average (primordial Pb) due to new 238U-235U ratio value"]
["corrected for new 238U-235U ratio determination","Pb-Pb",4.5633600000000003,3.4000000000000002E-4," ","Bouvier and Wadhwa 2010","model age"]
[" ","Pb-Pb",4.5633400000000002,2.9999999999999997E-4," ","Brennecka and Wadhwa 2011","model age"]
["Using 2012 U isotope compsitions","Pb-Pb",4.5633699999999999,2.5000000000000001E-4," ","Brennecka and Wadhwa 2012","model age"]
["druse pyroxene fraction","207Pb-206Pb",4.5590000000000002,1.1000000000000001E-3," ","Jagoutz et al. 2002","model age"]
["groundmass pyroxene fraction","207Pb-206Pb",4.548,1.1000000000000001E-3," ","Jagoutz et al. 2002","model age"]
["weighted mean","207Pb-206Pb",4.5570000000000004,1.5E-3," ","Jagoutz et al. 2002","model age"]
["matrix pyroxene fraction","207Pb-206Pb",4.5490000000000004,2E-3," ","Jagoutz et al. 2003","model age"]
["matrix pyroxene fraction","207Pb-206Pb",4.5570000000000004,2E-3," ","Jagoutz et al. 2003","model age"]
["druse pyroxene fraction","207Pb-206Pb",4.5553999999999997,1.9E-3," ","Jagoutz et al. 2003","model age"]
["druse pyroxene fraction","207Pb-206Pb",4.556,4.0000000000000001E-3," ","Jagourtz et al. 2003","model age"]
["druse pyroxene fraction","207Pb-206Pb",4.5570000000000004,1E-3," ","Jagourtz et al. 2003","model age"]
["12R Px","207Pb-206Pb",4.5666000000000002,1.4E-3,"assuming primordial Pb","Amelin 2008","model age"]
["13R Px","207Pb-206Pb",4.5648999999999997,5.9999999999999995E-4,"assuming primordial Pb","Amelin 2008","model age"]
["15 R WR (fragment)","207Pb-206Pb",4.5646000000000004,4.0000000000000002E-4,"assuming primordial Pb","Amelin 2008","model age"]
["16R WR (fines)","207Pb-206Pb",4.5621,4.0000000000000002E-4,"assuming primordial Pb","Amelin 2008","model age"]
["17R Px","207Pb-206Pb",4.5647000000000002,4.0000000000000002E-4,"assuming primordial Pb","Amelin 2008","model age"]
["18R Px","207Pb-206Pb",4.5641999999999996,2.9999999999999997E-4,"assuming primordial Pb","Amelin 2008","model age"]
["19R WR minus Px","207Pb-206Pb",4.5644999999999998,2.9999999999999997E-4,"assuming primordial Pb","Amelin 2008","model age"]
["20R WR (rel. fine)","207Pb-206Pb",4.5644,2.9999999999999997E-4,"assuming primordial Pb","Amelin 2008","model age"]
["22R WR","207Pb-206Pb",4.57,1.5E-3,"assuming primordial Pb","Amelin 2008","model age"]
["23R WR","207Pb-206Pb",4.5636000000000001,1.2999999999999999E-3,"assuming primordial Pb","Amelin 2008","model age"]
["21W3 Px","207Pb-206Pb",4.5644,4.0000000000000002E-4,"assuming primordial Pb","Amelin 2008","model age"]
["22W3 WR","207Pb-206Pb",4.5643000000000002,2.9999999999999997E-4,"assuming primordial Pb","Amelin 2008","model age"]
["22W3 WR","207Pb-206Pb",4.5644,4.0000000000000002E-4,"assuming primordial Pb","Amelin 2008","model age"]
["12R Px","207Pb-206Pb",4.5673000000000004,1.4E-3,"assuming analytical Pb","Amelin 2008","model age"]
["13R Px","207Pb-206Pb",4.5648999999999997,5.9999999999999995E-4,"assuming analytical Pb","Amelin 2008","model age"]
["15 R WR (fragment)","207Pb-206Pb",4.5648,4.0000000000000002E-4,"assuming analytical Pb","Amelin 2008","model age"]
["16R WR (fines)","207Pb-206Pb",4.5641999999999996,4.0000000000000002E-4,"assuming analytical Pb","Amelin 2008","model age"]
["17R Px","207Pb-206Pb",4.5648,4.0000000000000002E-4,"assuming analytical Pb","Amelin 2008","model age"]
["18R Px","207Pb-206Pb",4.5641999999999996,2.9999999999999997E-4,"assuming analytical Pb","Amelin 2008","model age"]
["19R WR minus Px","207Pb-206Pb",4.5644999999999998,2.9999999999999997E-4,"assuming analytical Pb","Amelin 2008","model age"]
["20R WR (rel. fine)","207Pb-206Pb",4.5646000000000004,2.9999999999999997E-4,"assuming analytical Pb","Amelin 2008","model age"]
["22R WR","207Pb-206Pb",4.5740999999999996,1.5E-3,"assuming analytical Pb","Amelin 2008","model age"]
["23R WR","207Pb-206Pb",4.5641999999999996,1.2999999999999999E-3,"assuming analytical Pb","Amelin 2008","model age"]
["21W3 Px","207Pb-206Pb",4.5644999999999998,4.0000000000000002E-4,"assuming analytical Pb","Amelin 2008","model age"]
[null,null,null,null,null,null,"model age"]
["22W3 WR","207Pb-206Pb",4.5643000000000002,2.9999999999999997E-4,"assuming analytical Pb","Amelin 2008","model age"]
[null,null,null,null,null,null,"model age"]
["22W3 WR","207Pb-206Pb",4.5644,4.0000000000000002E-4,"assuming analytical Pb","Amelin 2008","model age"]
[null,null,null,null,null,null,"model age"]
["12R Px","206Pb-238U",4.4916," ","assuming primordial Pb","Amelin 2008","model age"]
[null,null,null,null,null,null,"model age"]
["13R Px","206Pb-238U",4.6132999999999997," ","assuming primordial Pb","Amelin 2008","model age"]
[null,null,null,null,null,null,"model age"]
["15 R WR (fragment)","206Pb-238U",4.8415999999999997," ","assuming primordial Pb","Amelin 2008","model age"]
[null,null,null,null,null,null,"model age"]
["16R WR (fines)","206Pb-238U",4.8929," ","assuming primordial Pb","Amelin 2008","model age"]
[null,null,null,null,null,null,"model age"]
["17R Px","206Pb-238U",4.6946000000000003," ","assuming primordial Pb","Amelin 2008","model age"]
[null,null,null,null,null,null,"model age"]
["18R Px","206Pb-238U",4.9718999999999998," ","assuming primordial Pb","Amelin 2008","model age"]
[null,null,null,null,null,null,"model age"]
["19R WR minus Px","206Pb-238U",5.0804," ","assuming primordial Pb","Amelin 2008","model age"]
[null,null,null,null,null,null,"model age"]
["20R WR (rel. fine)","206Pb-238U",4.9573999999999998," ","assuming primordial Pb","Amelin 2008","model age"]
[null,null,null,null,null,null,"model age"]
["22R WR","206Pb-238U",3.6722000000000001," ","assuming primordial Pb","Amelin 2008","model age"]
[null,null,null,null,null,null,"model age"]
["23R WR","206Pb-238U",2.8336999999999999," ","assuming primordial Pb","Amelin 2008","model age"]
[null,null,null,null,null,null,"model age"]
["21W3 Px","206Pb-238U",5.4710000000000001," ","assuming primordial Pb","Amelin 2008","model age"]
[null,null,null,null,null,null,"model age"]
["22W3 WR","206Pb-238U",5.2906000000000004," ","assuming primordial Pb","Amelin 2008","model age"]
[null,null,null,null,null,null,"model age"]
["22W3 WR","206Pb-238U",5.5678000000000001," ","assuming primordial Pb","Amelin 2008","model age"]
[null,null,null,null,null,null,"model age"]
[]
["Table 7."]
[]
[]
["NORTON COUNTY"]
[]
["eight fractions—three breccias and four splits, three enstatites","Rb-Sr",4.7,0.1," ","Bogard et al. 1967a","isochron age"]
["samples of feldspar (2), pyroxenes (4), matrix (2), and whole rock (1)","Rb-Sr",4.4800000000000004,0.04," ","Minster and Allègre 1976","isochron age"]
["whole rock and feldspar (2) samples plotted with eight samples from four other meteorites","Rb-Sr",4.516,2.9000000000000001E-2," ","Minster, Rickard, and Allègre 1979","isochron age"]
["revised decay sonstant","Rb-Sr",4.4400000000000004,0.04," ","Bogard, Dixon, and Garrison 2010","isochron age"]
[" ","Pb-Pb",4.55,3.0000000000000001E-3," ","Huey and Kohman 1973","isochron age"]
[]
["SHALLOWATER"]
["Ar-Ar",4.55,0.05,"McCoy et al. 1995","isochron age"]
[]
[]
["Table 8. "]
[]
["NORTON COUNTY"]
[]
[" ","K-Ar",4.4000000000000004,0.65," ","Geiss and Hess 1958","model age"]
[" ","K-Ar",5.09," "," ","Kirsten, Krankowsky, and","model age"]
[null,null,null,null,null,"Zähringer 1963"]
[" ","K-Ar",4.68," "," ","Kirsten, Krankowsky, and","model age"]
[null,null,null,null,null,"Zähringer 1963"]
["523.3X breccia IV","K-Ar",4.5," "," ","Bogard et al. 1967a","model age"]
["4965F breccia, split A","K-Ar",4.2," "," ","Bogard et al. 1967a","model age"]
["4965F breccia, split B","K-Ar",4.3," "," ","Bogard et al. 1967a","model age"]
["4965F breccia, enstatite","K-Ar",4.5," "," ","Bogard et al. 1967a","model age"]
["samples NC-15961, 1300° celsius extraction","Ar-Ar",4.4539999999999997,1.7999999999999999E-2," ","Bogard, Dixon, and Garrison 2010","maximum spectrum age"]
["extractions releasing up to 87% of Ar from sample NC-Okada","Ar-Ar",4.6760000000000002," "," ","Bogard, Dixon, and Garrison 2010","average spectrum age"]
["summed across all extractions from sample NC-Okada","Ar-Ar",4.1980000000000004," "," ","Bogard, Dixon, and Garrison 2010","total age"]
[" ","Pb-Pb",4.55,3.0000000000000001E-3," ","Huey and Kohman 1973","model age"]
[]
["SHALLOWATER"]
[]
[" ","Ar-Ar",4.53,0.05," ","McCoy et al. 1995","total age"]
["five extractions releasing 6–45% Ar","Ar-Ar",4.5389999999999997,3.0000000000000001E-3," ","McCoy et al. 1995","plateau age"]
[" ","Ar-Ar",4.5350000000000001,0.02," ","Bogard 2011","plateau age"]
[" ","K-Ar",4.53,0.03," ","McCoy et al. 1995","model age"]
[" ","I-Xe",4.5659999999999998,2E-3," ","Brazzle et al. 1999","absolute age"]
[" ","I-Xe",4.5632999999999999,4.0000000000000002E-4," ","Gilmour et al. 2006","closure age"]
[" ","I-Xe",4.5622999999999996,4.0000000000000002E-4," ","Gilmour et al. 2009; Hohenberg and Pravdivtseva 2008","closure age"]
[]
["Table 9."]
[]
["ESTHERVILLE"]
[]
[" ","Ar-Ar",3.55,9.6000000000000002E-2," ","Murthy, Alexander, and Saito 1978","isochron age"]
[" ","Rb-Sr",4.4109999999999996,8.7999999999999995E-2,"one sample fits with five other meteorites","Cumming 1969","isochron age"]
[" ","Rb-Sr",4.26,0.1," ","Murthy, Coscio, and Sabelin 1977","isochron age"]
[" ","Rb-Sr",4.24,0.03," ","Murthy, Alexander, and Saito 1978","isochron age"]
["nine separates","Rb-Sr",4.5419999999999998,0.20300000000000001,"Sets A and C","Brouxel and Tatsumoto 1991","isochron age"]
[" ","Re-Os",4.25,0.5,"one sample fits with 21 other meteorites","Luck and Allègre 1983","isochron age"]
[" ","Re-Os",4.5999999999999996,0.05,"fits to this isochron","Shen, Papanastassiou, and Wasserburg 1998","isochron age"]
[" ","Pb-Pb",4.556,3.5000000000000003E-2,"Set A","Brouxel and Tatsumoto 1990","isochron age"]
[" ","Pb-Pb",4.5529999999999999,3.5000000000000003E-2,"Set B—fourteen analyses","Brouxel and Tatsumoto 1991","isochron age"]
["eleven","Sm-Nd",4.5330000000000004,9.4E-2,"Sets A and C","Brouxel and Tatsumoto 1991","isochron age"]
["separates"]
[]
[]
["Table 10."]
[]
["ESTHERVILLE"]
[]
[" ","Ar-Ar",3.62," "," ","Bogard et al. 1990","plateau age"]
[" ","Ar-Ar",3.94,0.1,"two samples averaged with 18 other meteorite samples","Bogard and Garrison 1998","plateau age"]
[" ","U-Pb",4.5709999999999997,1.7999999999999999E-2,"Set A","Brouxel and Tatsumoto 1990","concordia age"]
[" ","U-Pb",4.569,6.0999999999999999E-2,"Set B—fourteen analyses","Brouxel and Tatsumoto 1991","concordia age"]
[]
["Table 11."]
[]
["COLOMERA"]
["sixteen inclusions (feldspar, diopside, glass)","Rb-Sr",4.6100000000000003,0.04," ","Sanz, Burnett, and Wasserburg 1970","isochron age"]
["fifteen inclusions only","Rb-Sr",4.6399999999999997,0.14000000000000001," ","Sanz, Burnett, and Wasserburg 1970","isochron age"]
["twenty inclusions (feldspar, diopside, glass)","Rb-Sr",4.6399999999999997,0.04," ","Sanz, Burnett, and Wasserburg 1970","isochron age"]
["revised decay constant","Rb-Sr",4.51,0.04," ","Bogard, Garrison, and McCoy 2000","isochron age"]
["revised decay constant","Rb-Sr",4.59,0.127," ","Snyder et al. 2001","isochron age"]
[]
["KODAÏKANAL"]
["revised decay constant","Rb-Sr",3.73,0.1," ","Göpel, Manhès, and Allègre 1985","isochron age"]
["revised decay constant","Rb-Sr",3.81,0.1," ","Göpel, Manhès, and Allègre 1985","isochron age"]
["eleven density and mineral separates of Burnett and Wasserburg 1967","Rb-Sr",3.7429999999999999,4.3999999999999997E-2," ","Snyder et al. 2001","isochron age"]
["four samples plotted; five samples from three other meteorites","Re-Os",4.6239999999999997,1.7000000000000001E-2," ","Birck and Allègre 1998","isochron age"]
["one clinopyroxene and two alkali-rich glass samples extracted from the meteorite (and leached, as well as the leachates)","207Pb-206Pb",3.6760000000000002,3.0000000000000001E-3," ","Göpel, Manhès, and Allègre 1985","isochron age"]
["one clinopyroxene and two alkali-rich glass samples extracted from the meteorite (and leached, as well as the leachates)","207Pb-206Pb",3.6749999999999998,3.0000000000000001E-3," ","Göpel, Manhès, and Allègre 1985","isochron age"]
["one clinopyroxene and two alkali-rich glass samples extracted from the meteorite (and leached, as well as the leachates)","238U-206Pb",3.68,2.3E-2," ","Göpel, Manhès, and Allègre 1985","isochron age"]
["one clinopyroxene and two alkali-rich glass samples extracted from the meteorite (and leached, as well as the leachates)","238U-206Pb",3.6789999999999998,5.0000000000000001E-3," ","Göpel, Manhès, and Allègre 1985","isochron age"]
["one clinopyroxene and two alkali-rich glass samples extracted from the meteorite (and leached, as well as the leachates)","238U-206Pb",3.6840000000000002,2.1999999999999999E-2," ","Göpel, Manhès, and Allègre 1985","isochron age"]
["one clinopyroxene and two alkali-rich glass samples extracted from the meteorite (and leached, as well as the leachates)","235U-207Pb",3.677,8.9999999999999993E-3," ","Göpel, Manhès, and Allègre 1985","isochron age"]
["one clinopyroxene and two alkali-rich glass samples extracted from the meteorite (and leached, as well as the leachates)","235U-207Pb",3.6779999999999999,8.9999999999999993E-3," ","Göpel, Manhès, and Allègre 1985","isochron age"]
[]
["WEEKEROO STATION"]
["nine fractions plotted","Rb-Sr",4.37,0.2," ","Burnett and Wasserburg 1967","isochron age"]
[" ","Rb-Sr",4.3899999999999997,7.0000000000000007E-2," ","Evensen et al. 1979","isochron age"]
[" ","Rb-Sr",4.28,0.23," ","Bogard, Garrison, and McCoy 2000","isochron age"]
[" ","Rb-Sr",4.6399999999999997,0.04," ","Snyder et al. 2001","isochron age"]
[" ","Rb-Sr",4.3499999999999996,7.0000000000000007E-2," ","Snyder et al. 2001","isochron age"]
[" ","Rb-Sr",4.33,0.23," ","Snyder et al. 2001","isochron age"]
[" ","Sm-Nd",0.7," "," ","Snyder et al. 2001","isochron age"]
[" ","Hf-W",4.5549999999999997," "," ","Schulz et al. 2012","isochron age"]
[]
[]
["Table 12. "]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
["ten extractions releasing 25–72% Ar from feldspar sample","Ar-Ar",4.47,0.01," ","Bogard, Garrison, and McCoy 2000","plateau age"]
["all extractions above 25% Ar release from feldspar","Ar-Ar",4.4800000000000004,0.01," ","Bogard, Garrison, and McCoy 2000","average spectrum age"]
["seven extractions above 75% Ar release from feldspar","Ar-Ar",4.5,0.02," ","Bogard, Garrison, and McCoy 2000","average spectrum age"]
["feldspar sample 400°C","Ar-Ar",4.4509999999999996,1.7000000000000001E-2," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["500°C","Ar-Ar",3.194,2.5000000000000001E-2," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["550°C","Ar-Ar",3.4990000000000001,1.2999999999999999E-2," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["600°C","Ar-Ar",3.8519999999999999,7.0000000000000001E-3," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["625°C","Ar-Ar",4.0209999999999999,6.0000000000000001E-3," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["650°C","Ar-Ar",4.1100000000000003,4.0000000000000001E-3," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["675°C","Ar-Ar",4.1420000000000003,2E-3," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["705°C","Ar-Ar",4.3230000000000004,1E-3," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["725°C","Ar-Ar",4.3869999999999996,2E-3," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["750°C","Ar-Ar",4.4029999999999996,2E-3," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["775°C","Ar-Ar",4.4370000000000003,1E-3," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["800°C","Ar-Ar",4.4560000000000004,1E-3," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["815°C","Ar-Ar",4.4640000000000004,1E-3," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["830°C","Ar-Ar",4.4649999999999999,1E-3," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["850°C","Ar-Ar",4.4649999999999999,1E-3," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["870°C","Ar-Ar",4.4690000000000003,2E-3," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["890°C","Ar-Ar",4.4729999999999999,1E-3," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["915°C","Ar-Ar",4.4790000000000001,1E-3," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["940°C","Ar-Ar",4.4800000000000004,2E-3," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["965°C","Ar-Ar",4.4729999999999999,1E-3," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["1000°C","Ar-Ar",4.4649999999999999,1E-3," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["1050°C","Ar-Ar",4.468,1E-3," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["1100°C","Ar-Ar",4.4820000000000002,1E-3," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["1125°C","Ar-Ar",4.4880000000000004,1E-3," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["1150°C","Ar-Ar",4.4989999999999997,1E-3," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["1175°C","Ar-Ar",4.5010000000000003,2E-3," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["1200°C","Ar-Ar",4.5069999999999997,2E-3," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["1250°C","Ar-Ar",4.51,1E-3," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["1300°C","Ar-Ar",4.5069999999999997,1E-3," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["1350°C","Ar-Ar",4.4850000000000003,8.9999999999999993E-3," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["1450°C","Ar-Ar",4.5519999999999996,1.4999999999999999E-2," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["1550°C","Ar-Ar",5.1639999999999997,5.1999999999999998E-2," ","Bogard, Garrison, and McCoy 2000","step extraction age"]
["five analyses of one sample","Rb-Sr",4.7," "," ","Burnett and Wasserburg 1967","model age"]
["six analyses of another sample","Rb-Sr",3.8," "," ","Burnett and Wasserburg 1967","model age"]
["four analyses of another sample","Rb-Sr",3.1," "," ","Burnett and Wasserburg 1967","model age"]
[]
["KODAÏKANAL"]
["two samples","K-Ar 3.53 0.1","Bogard et al 1967b","average model age"]
[]
["Radioisotope Dating of Meteorites: IV. The Primitive and other Achondrites",233]
[]
["Sample","Method","Reading","Error +/-","Note","Source","Type"]
["glass (Me943G)","K-Ar",2.4700000000000002,0.1," ","Bogard, Burnett, and Wasserburg 1969","model age"]
["glass (P1159-04)","K-Ar",3.09,0.1," ","Bogard, Burnett, and Wasserburg 1969","model age"]
["glass (P1159-04)","K-Ar",3.38,0.1," ","Bogard, Burnett, and Wasserburg 1969","model age"]
["glass (Me574B)","K-Ar",3.32,0.1," ","Bogard, Burnett, and Wasserburg 1969","model age"]
["glass (Me574B)","K-Ar",3.27,0.1," ","Bogard, Burnett, and Wasserburg 1969","model age"]
["feldspar (Me943-1)","K-Ar",3.59,0.1," ","Bogard, Burnett, and Wasserburg 1969","model age"]
["mixed phases (Me574A)","Rb-Sr",3.83,0.1," ","Bogard, Burnett, and Wasserburg 1969","model age"]
["glass (Me574B)","Rb-Sr",3.74,0.1," ","Bogard, Burnett, and Wasserburg 1969","model age"]
["glass (P1159-04)","Rb-Sr",3.8,0.1," ","Bogard, Burnett, and Wasserburg 1969","model age"]
["glass (P1159-04) split A","Rb-Sr",3.82,0.1," ","Bogard, Burnett, and Wasserburg 1969","model age"]
["glass (P1159-04) split B","Rb-Sr",3.97,0.1," ","Bogard, Burnett, and Wasserburg 1969","model age"]
["glass (Me943G)","Rb-Sr",3.76,0.1," ","Bogard, Burnett, and Wasserburg 1969","model age"]
["glass (Me943G)","Rb-Sr",3.69,0.1," ","Bogard, Burnett, and Wasserburg 1969","model age"]
[]
["WEEKEROO STATION"]
[]
["average of seven determinations on four fractions","K-Ar",4.49,0.1," ","Bogard et al. 1967b","model age"]
["Weekeroo H (oligoclase) p<2.96, 105-177μ","K-Ar",4.05," "," ","Bogard et al. 1967b","model age"]
[" ","K-Ar",4.5199999999999996," "," ","Bogard et al. 1967b","model age"]
[" ","K-Ar",4.5599999999999996," "," ","Bogard et al. 1967b","model age"]
["Weekeroo H (oligoclase) p<2.96, 62-50μ","K-Ar",4.54," "," ","Bogard et al. 1967b","model age"]
["Weekeroo N-B2 <150μ","K-Ar",4.37," "," ","Bogard et al. 1967b","model age"]

{"sheet":"Authors","index":1,"n_rows":90,"n_cols":3,"rows_kept":90,"cut":false,"hidden":false,"merged":[]}
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