Publications using UCLA SIMS Data

469 J. Isa, I.E. Kohl, M.‐C. Liu, J.T. Wasson, E.D. Young, and K.D. McKeegan (2017) Quantification of oxygen isotope SIMS matrix effects in olivine samples:Correlation with sputter rate. Chem. Geol. 458, 14‐21 doi:10.1016/j.chemgeo.2017.03.020.    [pdf] summary

468 Melanie Barboni, Patrick Boehnke, Brenhin Keller, Issaku E. Kohl, Blair Schoene, Edward D. Young, Kevin D. McKeegan (2017) Early formation of the Moon 4.51 billion years ago. 3 (1), .    [pdf] summary

467 C.J. Steele, V. S. Heber, and K. D. McKeegan (2017) Matrix effects on the relative sensitivity factors for manganese and chromium during ion microprobe analysis of carbonate: implications for early Solar System chronology. Geochim. Cosmochim. Acta. 201, 245‐259 doi:10.1016/j.gca.2016.10.046.    [pdf] summary

465 C. A. Crow, K. D. McKeegan, and Desmond E. Moser (2017) Coordinated U‐Pb geochronology, trace elements, and Ti‐in‐zircon thermometry of Apollo zircons. Geochim. Cosmochim. Acta. 202, 264‐284 doi:10.1016/j.gca.2016.12.019.    [pdf] summary

460 L.P. Keller, C.J. Snead, and K.D. McKeegan (2016) Coordinated analyses of hydrated interplanetary dust particles: Samples of primitive solar system bodies. Meteor. Planet. Sci. 52, .    [pdf] summary

437 J. T. Williams, C. K. Shearer, Z. D. Sharp, P. V. Burger, F. M. McCubbin, A. R. Santos, C. B. Agee, and K. D. McKeegan (2016) The chlorine isotopic composition of Martian meteorites 1: Chlorine isotope composition of martian mantle and crustal reservoirs and their interactions. Meteor. Planet. Sci. 51, 2092‐2110 doi:10.1111/maps.12647.    [pdf] summary

421 A. M. Davis, F. M. Richter, R. A. Mendybaev, P. E. Janney, M. Wadhwa, and K. D. McKeegan (2015) Isotopic mass fractionation laws and their effects on 26Al−26Mg systematics in solar system materials. Geochim. Cosmochim. Acta. 158, 245‐261 doi:10.1016/j.gca.2015.01.034.    [pdf] summary

420 T. J. Peters, J. I. Simon, J. H. Jones, T. Usui, R. Moriwaki, R.C. Economos, A. K. Schmitt, and K. D. McKeegan (2015) Tracking the source of the enriched martian meteorites in olivine‐hosted melt inclusions of two depleted shergottites, Yamato 980459 and Tissint. Earth Planet. Sci. Lett. 418, 91‐102 doi:10.1016/j.epsl.2015.02.033.    [pdf] summary

393 A. M. Davis, and K. D. McKeegan (2014) Short‐lived radionuclides and early solar system chronology. In Meteorites, Planets, and Comets (Ed. A.M. Davis),Treatise on Geochemistry, 2nd edition 1, 361‐395. Elsevier‐Pergamon, Oxford.    [pdf] summary

392 M. Delavari, S. Amini, A. K. Schmitt, K. D. McKeegan, and T. M. Harrison (2014) U‐Pb geochronology and geochemistry of Bibi‐Maryam pluton, eastern Iran: Implication for the late stage of the tectonic evolution of the Sistan ocean. Lithos 200, 197‐211 doi:10.1016/j.lithos.2014.04.015.    [pdf] summary

384 H. B. Franz, S. Kim, J. Farquhar, J. M. D. Day, R.C. Economos, K.D. McKeegan, A.K. Schmitt, A.J. Irving, J. Hoek, and J. Dottin III (2014) Isotopic links between atmospheric chemistry and the deep sulphur cycle on Mars. Nature 508, 364‐368 doi:10.1038/nature13175.    [pdf] summary

382 J. Marin‐Carbonne, C. Rollion‐Bard, A. Bekker, O. Rouxel, A. Agangi, B. Cavalazzi, C. C. Wohlgemuth‐Ueberwasser, A. Hofmann, and K. D. McKeegan (2014) Coupled Fe and S isotope variations in pyrite nodules from Archean shale. Earth Planet. Sci. Lett 392, 67‐79 doi:10.1016/j.epsl.2014.02.009.    [pdf] summary

349 L.P. Keller, C. Snead, Z. Rahman, and K.D. McKeegan (2012) Mineralogy and oxygen isotope compositions of an unusual hibonite‐perovskite refractory inclusion from Allende. LPSC , .    [pdf] summary

323 K. D. McKeegan, A. P. A. Kallio, V. S. Heber, G. Jarzebinski, P. H. Mao, C. D. Coath, T. Kunihiro, R. C. Wiens, J. E. Nordholt, R. W. Moses, D. B. Reisenfeld, A. J. G. Jurewicz, and D. S. Burnett (2011) The Oxygen Isotopic Composition of the Sun Inferred from Captured Solar Wind. Science 332, 1528‐1532 doi:10.1126/science.1204636.    [pdf] summary

319 C. K. Shearer, P. V. Burger, J. J. Papike, Z. D. Sharp,, and K. D. McKeegan (2011) Fluids on differentiated asteroids: Evidence from phosphates in differentiated meteorites GRA 06128 and GRA 06129. Meteor. & Planet. Sci. 46, 1345‐1362 doi:10.1111/j.1945-5100.2011.01233.x.    [pdf] summary

309 R. I. Gabitov, A. K. Schmitt, M. Rosner, K. D. McKeegan, G. A. Gaetani, A. L. Cohen, E. B. Watson, and T. M. Harrison (2011) In situ d7Li, Li/Ca, and Mg/Ca analyses of synthetic aragonites. Geochemistry Geophysics Geosystems 12, doi:10.1029/2010GC003322.    [pdf] summary

296 J. Isa, A. E. Rubin, J. Marin‐Carbonne,K. D. McKeegan, and J. T. Wasson (2011) Oxygen‐Isotopic Compositions of R‐Chondrite Chondrules. LPSC 1608, 2623‐2624.    [pdf] summary

295 J.E.P. Matzel, H.A. Ishii, D. Joswiak, I.D. Hutcheon, J.P. Bradley, D. Brownlee, P.K. Weber, N. Teslich, G. Matrajt, K.D. McKeegan, and G.J. MacPherson (2010) Constraints on the Formation Age of Cometary Material from the NASA Stardust Mission. Science 328, 483‐486 doi:10.1126/science.1184741.    [pdf] summary

293 Z. D. Sharp, C. K. Shearer, K. D. McKeegan, J. D. Barnes, and Y. Q. Wang (2010) The Chlorine Isotope Composition of the Moon and Implications for an Anhydrous Mantle. Science 329, 1050‐1053 doi:10.1126/science.1192606.    [pdf] summary

288 T. M. Harrison, M. T. Heizler, K. D. McKeegan, and A. K. Schmitt (2010) In situ 40K–40Ca ’double–plus’ SIMS dating resolves Klokken feldspar 40K–40Ar paradox. Earth Planet. Sci. Lett. 299, 426‐433 doi:10.1016/j.epsl.2010.09.023.    [pdf] summary

287 E. S. Bullock, K. D. McKeegan, M. Gounelle, M. M. Grady , and S. S. Russell (2010) Sulfur isotopic composition of Fe–Ni sulfide grains in CI and CM carbonaceous chondrites. Meteor. Planet. Sci. 45, 885‐898 doi:10.1111/j.1945-5100.2010.01052.x.    [pdf] summary

286 L. Godbout, M. Trudel, J. R. Irvine, C. C. Wood, M. J. Grove, A. K. Schmitt, and K. D. McKeegan (2010) Sulfur isotopes in otoliths allow discrimination of anadromous and non–anadromous ecotypes of sockeye salmon (Oncorhynchus nerka). Environmental Biology of Fishes 89, 521‐532 doi:10.1016/j.revpalbo.2011.01.006.    [pdf] summary

271 M.‐C. Liu, and K.D. McKeegan (2009) On an Irradiation Origin for Magnesium Isotope Anomalies in Meteoritic Hibonite. ApJ 697, L145‐L148 doi:10.1088/0004-637X/697/2/L145.    [pdf] summary

267 J. Aléon, C. Engrand, L.A. Leshin, and K.D. McKeegan (2009) Oxygen isotopic composition of chondritic interplanetary dust particles: A genetic link between carbonaceous chondrites and comets. Geochim. Cosmochim. Acta. 73, 4558‐4575 doi:10.1016/j.gca.2009.04.034.    [pdf] summary

263 P. Cartigny, J. Farquhar, E. Thomassot, J.W. Harris, B. Wing, A. Masterson, K. McKeegan, and T. Stachel (2009) A mantle origin for Paleoarchean peridotitic diamonds from the Panda kimberlite, Slave Craton: Evidence from 13C−, 15N− and 33,34S‐stable isotope systematics. Lithos 112, 852‐864 doi:10.1016/j.lithos.2009.06.007.    [pdf] summary

254 D.J. Taylor, K.D. McKeegan, and T.M. Harrison (2009) Lu‐Hf zircon evidence for rapid lunar differentiation. Earth Planet. Sci. Lett. 279, 157‐164 doi:10.1016/j.epsl.2008.12.030.    [pdf] summary

253 M. Gounelle, M. Chaussidon, A. Morbidelli, J. Barrat, C. Engrand, M. Zolensky, and K.D. McKeegan (2009) A unique basaltic micrometeorite expands the inventory of solar system planetary crusts. Proc. Nat. Acad. Sci. 106, 6904‐6909 doi:10.1073/pnas.0900328106.    [pdf] summary

250 M.C. Liu, K.D. McKeegan, J.N. Goswami, K.K. Marhas, S. Sahijpal, T.R. Ireland, and A.M. Davis (2009) Isotopic records in CM hibonites: Implications for timescales of mixing of isotope reservoirs in the solar nebula. Geochim. Cosmochim. Acta. 73, 5051‐5079 doi:10.1016/j.gca.2009.02.039.    [pdf] summary

243 S.B. Simon, D.J. Joswiak, H.A. Ishii, J.P. Bradley, M. Chi, L. Grossman, J. Aléon, D.E. Brownlee, S. Fallon, I. D. Hutcheon, G. Matrajt, and K.D. McKeegan (2008) A refractory inclusion returned by Stardust from Comet P81/Wild 2. Meteor. Planet. Sci. 43, 1861‐1877.    [pdf] summary

229 F.J. Stadermann, P. Hoppe, C. Floss, P.R. Heck, , J. Huth, A.T. Kearsley, J. Leitner, K.K. Marhas, K.D. McKeegan, and T. Stephan (2008) Stardust in STARDUST ‐ the C, N, and O isotopic compositions of Wild 2 cometary matter in Al foil impacts. Meteor. Planet. Sci. 43, 299‐314.    [pdf] summary

223 C.L.V. Caillet Komorowski, E.K. Zinner, K.D. McKeegan, R. Hervig, and P.R. Buseck (2007) The White Angel: A unique wollastonite‐bearing, mass‐fractionated refractory inclusion from the Leoville CV3 carbonaceous chondrite. Meteor. Planet. Sci. 42, 1159‐1182.    [pdf] summary

205 K.D. McKeegan, A.B. Kudryavtsev, and J.W. Schopf (2007) Raman and ion microscopic imagery of graphitic inclusions in apatite from >3830 Ma Akilia supracrustals, West Greenland. Geology 35, 591‐594 doi:10.1130/G23465A.1.    [pdf] summary

199 P.C. Treble, A.K. Schmitt, K.D. McKeegan, R.L. Edwards, M. Grove, T.M. Harrison, and H. Cheng (2007) High resolution Secondary Ionisation Mass Spectrometry (SIMS) δ18O analyses of Hulu Cave speleothem at the time of Heinrich Event 1 . Chem. Geol. 238, 197‐212 doi:10.1016/j.chemgeo.2006.11.009.    [pdf] summary

189 M. Chaussidon, F. Robert, and K.D. McKeegan (2006) Li and B isotopic variations in an Allende CAI: Evidence for the in situ decay of short‐lived 10Be and for the possible presence of the short−lived nuclide 7Be in the early solar system. Geochim. Cosmochim. Acta. 70, 224‐245 doi:10.1016/j.gca.2005.08.016 .    [pdf] summary

188 M. Chaussidon, F. Robert, and K.D. McKeegan (2006) Reply to the comment by Desch and Ouellette on “Li and B isotopic variations in an Allende CAI: Evidence for the in situ decay of short‐lived 10Be and for the possible presence of the short−lived nuclide 7Be in the early solar system”. Geochim. Cosmochim. Acta. 70, 5433‐5436 doi:10.1016/j.gca.2006.08.042.    [pdf] summary

184 Y. Guan, G.R. Huss, L.A. Leshin, G.J. MacPherson, and K.D. McKeegan (2006) Oxygen isotopes and 26Al−26Mg systematics of aluminum‐rich chondrules from unequilibrated enstatite chondrites. Meteor. Planet. Sci. 41, 33‐47.    [pdf] summary

179 A.N. Krot, K.D. McKeegan, G.R. Huss, K. Liffman, S. Sahijpal, I.D. Hutcheon, G. Srinivasan, A. Bischoff, and K. Keil (2006) Aluminum‐Magnesium and Oxygen Isotope Study of Relict Ca‐Al‐rich Inclusions in Chondrules. Astrophys. Jour. 639, 1227‐1237 doi:10.1086/498610.    [pdf] summary

177 J. Mariga, E.M. Ripley, C. Li, K.D. McKeegan, A.K. Schmidt, and M.Grove (2006) Oxygen isotopic disequilibrium in plagioclase‐corundum‐hercynite xenoliths from the Voisey’s Bay Intrusion, Labrador, Canada. Earth Planet. Sci. Lett. 248, 263‐275 doi:10.1016/j.epsl.2006.05.031.    [pdf] summary

169 J. Aléon, A.N. Krot, K.D. McKeegan, G.J. MacPherson, and A. Ulyanov (2005) Fine‐grained, spinel‐rich inclusions from the reduced CV3 chondrite Efremovka : II. Oxygen isotopic compositions. Meteor. Planet. Sci. 40, 1043‐1058.    [pdf] summary

162 C. Engrand, K.D. McKeegan, L.A. Leshin, G.F. Herzog, C. Schnabel, L.A. Nyquist, and D.A. Brownlee (2005) Isotopic compositions of oxygen, iron, chromium, and nickel in cosmic spherules: Toward a better comprehension of atmospheric entry heating effects. Geochim. Cosmochim. Acta. 69, 5365‐5385 doi:10.1016/j.gca.2005.07.002.    [pdf] summary

160 M. Gounelle, C. Engrand, M. Maurette, G. Kurat, K.D. McKeegan, and F. Brandstatter (2005) Small Antarctic micrometeorites: A mineralogical and in situ oxygen isotope study. Meteor. Planet. Sci. 40, 917‐932.    [pdf] summary

154 A.N. Krot, I.D. Hutcheon, H. Yurimoto, J.N. Cuzzi, K.D. McKeegan, E.R.D. Scott, G. Libourel, M. Chaussidon, J. Aléon, and M.I. Petaev (2005) Evolution of oxygen isotopic composition in the inner solar nebula. Astrophys. Jour. 622, 1333‐1342 doi:10.1086/428382.    [pdf] summary

150 D. Papineau, S.J. Mojzsis, C.D. Coath, J.A. Karhu, and K.D. McKeegan (2005) Multiple sulfur isotopes of sulfides from sediments in the aftermath of Paleoproterozoic glaciations. Geochim. Cosmochim. Acta. 69, 5033‐5060 doi:10.1016/j.gca.2005.07.005.    [pdf] summary

145 P.C. Treble, J.C. Chappell, M.K. Gagan, K.D. McKeegan, and T.M. Harrison (2005) In situ measurement of seasonal δ18O variations and analysis of isotopic trends in a precisely dated modern speleothem from southwest Australia. Earth Planet. Sci. Lett. 233, 17‐32 doi:10.1016/j.epsl.2005.02.013.    [pdf] summary

135 J.T. Cheney, A.A. Webb, M. Coath, C. Chris, and K.D. McKeegan (2004) In situ ion microprobe 207Pb/206Pb dating of monazite from Precambrian metamorphic suites, Tobacco Root Mountains, Montana. in Brady, John B., Burger, H. Robert, Cheney, John T., and Harms, Tekla A., eds., Precambrian Geology of the Tobacco Root Mountains, Montana: Geol. Soc. Am. Spec. Pap. 377, 151‐179.    [pdf] summary

129 T. Kunihiro, A.E. Rubin, K.D. McKeegan, and J.T. Wasson (2004) Initial 26Al/27Al in carbonaceous−chondrite chondrules: Too little 26Al to melt asteroids. Geochim. Cosmochim. Acta. 68, 2947‐2957 doi:10.1016/j.gca.2004.02.006 .    [pdf] summary

128 T. Kunihiro, A.E. Rubin, K.D. McKeegan, and J.T. Wasson (2004) Oxygen‐isotopic compositions in relict and host grains in chondrules in the Yamato‐81020 CO3.0 chondrite. Geochim. Cosmochim. Acta. 68, 3599‐3606 doi:10.1016/j.gca.2004.02.011.    [pdf] summary

118 H.B. Zou, K.D. McKeegan, X.S. Xu, and A. Zindler (2004) Fe‐Al‐rich tridymite‐hercynite xenoliths with positive cerium anomalies: preserved lateritic paleosols and implications for Miocene climate. Chem. Geol. 207, 101‐116 doi:10.1016/j.chemgeo.2004.02.008.    [pdf] summary

114 H. C. Connolly Jr., D. S. Burnett, and K. D. McKeegan (2003) The petrogenesis of type B1 Ca‐Al‐rich inclusions: The spinel perspective. Meteor. Planet. Sci. 38, 197‐224.    [pdf] summary

107 A. J. G. Jurewicz, D. S. Burnett, R. C. Wiens, T.A Friedmann, C. C. Hays, R. Hohlfelder, K. Nishiizumi, J. A. Stone, D. S. Woolum, R. Becker, A. Butterworth, A. Campbell, M. Ebihara, I. A. Franchi, V. Heber, C. M. Hohenberg, M. Humayun, K. D. McKeegan, K. McNamara, A. Meshik, R. O. Pepin, D. Schlutter, and R. Wieler (2003) The GENESIS solar‐wind collector materials. Space Sci. Rev. 105, 535‐560 doi:10.1023/A:1024469927444.    [pdf] summary

104 Y. Kolodny, M. Bar‐Matthews, A. Ayalon, and K.D. McKeegan (2003) A high spatial resolution δ18O profile of a speleothem using an ion‐microprobe. Chem. Geol. 197, 21‐28 doi:10.1016/S0009-2541(02)00353-4.    [pdf] summary

101 S.J. Mojzsis, C.D. Coath, J.P. Greenwood, K.D. McKeegan, and T.M. Harrison (2003) Mass–independent isotope effects in Archean (2.5 to 3.8 Ga) sedimentary sulfides determined by ion microprobe analysis. Geochim. Cosmochim. Acta 67, 1635‐1658 doi:10.1016/S0016-7037(03)00059-0 .    [pdf] summary

93 J. Aléon, A. N. Krot, and K. D. McKeegan (2002) Calcium‐aluminum‐rich inclusions and amoeboid olivine aggregates from the CR carbonaceous chondrites. Meteor. Planet. Sci. 37, 1729‐1755.    [pdf] summary

87 J. Farquhar, B. A. Wing, K. D. McKeegan, J. W. Harris, P. Cartigny, and M. H. Thiemens (2002) Mass‐independent sulfur of inclusions in diamond and sulfur recycling on early earth. Science 298, 2369‐2372 doi:10.1126/science.1078617.    [pdf] summary

82 A. N. Krot, K. D. McKeegan, L. A. Leshin, G. J. MacPherson, and E. R. D. Scott (2002) Existence of an 16O‐rich gaseous reservoir in the solar nebula. Science 295, 1051‐1054 doi:10.1126/science.1068200.    [pdf] summary

77 V. J. Orphan, C. H. House, K. U. Hinrichs, K. D.McKeegan, and E. F. DeLong (2002) Multiple archaeal groups mediate methane oxidation in anoxic cold seep sediments. Proc. Nat. Acad. Sci. 99, 7663‐7668 doi:10.1073/pnas.072210299.    [pdf] summary

75 S. B. Simon, A. M. Davis, L. Grossman, and K. D. McKeegan (2002) A hibonite‐corundum inclusion from Murchison: a first‐generation condensate from the solar nebula. Meteor. Planet. Sci. 37, 533‐548.    [pdf] summary

72 P. K. Weber, I. D. Hutcheon, K. D. McKeegan, and B. L. Ingram (2002) Otolith sulfur isotope method to reconstruct salmon (Oncorhynchus tshawytscha) life history. Can. Jour. Fish. Aquat. Sci. 59, 587‐591 doi:10.1139/F02-038.    [pdf] summary

65 T.J. Fagan, K.D. McKeegan, A.N. Krot, and K. Keil (2001) Calcium‐aluminum‐rich inclusions in enstatite chondrites (II): Oxygen isotopes. Meteorit. Planet. Sci. 36, 223‐230.    [pdf] summary

64 M. Fayek, T.M. Harrison, M. Grove, K.D. McKeegan, C. Coath, and J.R. Boles (2001) In situ stable isotopic analyses of multiple generations of cementation associated with the North Coles Levee Petroleum Reservoir, San Joaquin Basin, California. Jour. Sed. Res. 71, 444‐458 doi:10.1306/2DC40954-0E47-11D7-8643000102C1865D.    [pdf] summary

62 A.N. Krot, K.D. McKeegan, S.S.Russell, A. Meibom, M. K. Weisberg, J. Zipfel, T. V. Krot, T. J. Fagan, and K. Keil (2001) Refractory calcium‐aluminum‐rich inclusions and Al‐diopside‐rich chondrules in the metal‐rich chondrites Hammadah al Hamra 237 and Queen Alexandra Range 94411. Meteorit. Planet. Sci. 36, 1189‐1216.    [pdf] summary

60 K.D McKeegan, and L.A. Leshin (2001) Stable isotope variations in extraterrestrial materials. In Stable Isotope Geochemistry, Reviews in Mineralogy and Geochemistry 43, J. W. Valley and D. R. Cole (eds.) Min. Soc. Am., Washington D.C. , 279‐318.    [pdf] summary

58 V.J. Orphan, C.H House, K.U. Hinrichs, K.D. McKeegan, and E.F. DeLong (2001) Methane‐consuming archaea revealed by directly coupled isotopic and phylogenetic analysis. Science 293, 484‐487 doi:10.1126/science.1061338.    [pdf] summary

49 Y. Guan, K.D. McKeegan, and G.J. MacPherson (2000) Oxygen isotopes in calcium‐aluminum‐rich inclusions from enstatite chondrites: New evidence for a common CAI source in solar nebula. Earth Planet. Sci. Lett. 181, 271‐277 doi:10.1016/S0012-821X(00)00218-1.    [pdf] summary

46 C. House, J.W. Schopf, K.D. McKeegan, C.D. Coath, T.M. Harrison, and K.O. Stetter (2000) The carbon isotope composition of individual Precambrian microfossils. Geology 28, 707‐710 doi:10.1130/0091-7613(2000)28<707:CICOIP>2.0.CO;2.    [pdf] summary

42 K.D. McKeegan, M. Chaussidon, and F. Robert (2000) Incorporation of short‐lived 10Be in a Calcium‐Aluminum‐Rich Inclusion from the Allende Meteorite. Science 289, 1334‐1337 doi:10.1126/science.289.5483.1334.    [pdf] summary

38 S.S. Russell, G. MacPherson, L.A. Leshin, and K.D. McKeegan (2000) 16O enrichments in aluminum‐rich chondrules from ordinary chondrites. Earth Planet. Sci. Lett. 184 (1), 57‐74 doi:10.1016/S0012-821X(00)00309-5.    [pdf] summary

37 S.B. Simon, K.D. McKeegan, D.S. Ebel, and L. Grossman (2000) Complexly zoned Cr‐Al spinel found in situ in the Allende meteorite. Meteor. Planet. Sci. 35, 215‐228.    [pdf] summary

32 C. Engrand, K.D. McKeegan, and L.A. Leshin (1999) Oxygen isotopic compositions of individual minerals in Antarctic micrometeorites: Further links to carbonaceous chondrites. Geochim. Cosmochim. Acta 63, 2623‐2636 doi:10.1016/S0016-7037(99)00160-X.    [pdf] summary

30 T.M. Harrison, M. Grove, K.D. McKeegan, C.D. Coath, O.M. Lovera, and P. Le Fort (1999) Origin and episodic emplacement of the Manaslu intrusive complex, Central Himalaya. Jour. Petrol. 40, 3‐19.    [pdf] summary

21 B.G. Choi, K.D. McKeegan, A.N. Krot, and J.T. Wasson (1998) Extreme oxygen isotopic compositions in magnetite from unequilibrated ordinary chondrites. Nature 392, 577‐579 doi:10.1038/33356.    [pdf] summary

18 L.A. Leshin, K.D. McKeegan, P. K. Carpenter, and R.E. Harvey (1998) Oxygen isotopic constraints on the genesis of carbonates from martian meteorite ALH84001. Geochim. Cosmochim. Acta 62, 3‐13 doi:10.1016/S0016-7037(97)00331-1.    [pdf] summary

17 K.I. Mahon, T.M. Harrison, and K.D. McKeegan (1998) The thermal and cementation histories of a sandstone petroleum reservoir, Elk Hills, California. Part 2: In situ oxygen and carbon isotopic results. Chem. Geol. 152, 257‐271 doi:10.1016/S0009-2541(98)00116-8.    [pdf] summary

16 K.D. McKeegan, L.A. Leshin, S.S. Russell, and G.J. MacPherson (1998) Oxygen isotopic abundances in calcium‐aluminum‐rich inclusions from ordinary chondrites: Implications for nebular heterogeneity. Science 280, 414‐418 doi:10.1126/science.280.5362.414.    [pdf] summary

13 J.C. Sample, C.D. Coath, and K.D. McKeegan (1998) Temporal fluctuations of syntectonic fluids in the Cascadia accretionary wedge. In G. B. Arehart and J. R. Hulston (eds.) Water‐Rock Interaction , 349‐352. A.A. Balkema, Rotterdam.    summary

12 B.G. Choi, K.D. McKeegan, L.A. Leshin, and J.T. Wasson (1997) Origin of the magnetite in oxidized CV chondrites: in situ measurement of oxygen isotopic compositions of Allende magnetite and olivine. Earth Planet. Sci. Lett. 146, 337‐349 doi:10.1016/S0012-821X(96)00229-4.    [pdf] summary

8 L.A. Leshin, A.E. Rubin, and K.D. McKeegan (1997) The oxygen isotopic composition of olivine and pyroxene from CI chondrites. Geochim. Cosmochim. Acta 61, 835‐845 doi:10.1016/S0016-7037(96)00374-2.    [pdf] summary

6 M.R. Reid, C.D. Coath, T.M. Harrison, and K.D. McKeegan (1997) Ion microprobe dating of young zircons reveals prolonged residence times for the youngest rhyolites associated with Long Valley caldera. Earth Planet. Sci. Lett. 150, 27‐39 doi:10.1016/S0012-821X(97)00077-0.    [pdf] summary

3 S.J. Mojzsis, G. Arrhenius, K.D. McKeegan, T.M. Harrison, A.P. Nutman, and C.R.L. Friend (1996) Evidence for life on Earth before 3,800 million years ago. Nature 384, 55‐59 doi:10.1038/384055a0.    [pdf] summary

2 T.M. Harrison, K.D. McKeegan, and P. Le Fort (1995) Detection of inherited monazite in the Manaslu leucogranite by 208Pb/232Th ion microprobe dating: Crystallization age and tectonic significance. Earth Planet. Sci. Lett. 133, 271‐282 doi:10.1016/0012-821X(95)00091-P.    [pdf] summary

1 C.R. Neal, J.P.Davidson, and K.D. McKeegan (1995) Geochemical analyses of small samples: Micro–analytical techniques for the nineties and beyond. In National Report to the International Union of Geodesy and Geophysics , 25‐32. AGU.    [pdf] summary

Found 81 results from search.

N 34° 4' 9" W 118° 26' 27"