2000

G.J. Axen, P.S. Lam, M. Grove, D.F. Stockli, and J. Hassanzadeh (2000) Exhumation history of the Alam Kuh area, Central Alborz Mountains, Northern Iran: Implications for Caspian subsidence and collision-related tectonics. Geology (submitted).

E.J. Catlos, S.S. Sorensen, and T.M. Harrison (2000) Th-Pb ion microprobe dating of allanite. Am. Min., 85, 633-648.

E.J. Catlos, T.M. Harrison, M.J. Kohn, M. Grove, F.J. Ryerson, C.E. Manning, and B.N. Upreti (2000) Geochronologic and thermobarometric constraints on the evolution of the Main Central Thrust, central Nepal Himalaya. Jour. Geophys. Res. (in press).

E.J. Catlos, T.M. Harrison, C.E. Manning, M. Grove, S.M. Rai, M.S. Hubbard, and B.N. Upreti (2000) Records of the evolution of the Himalayan orogen from in situ Th-Pb ion microprobe dating of monazite: Eastern Nepal and western Garhwal. Jour. Asian Earth. Sci. (submitted).

B.-G. Choi B, A.N. Krot and J.T. Wasson (2000) Oxygen-isotopes in magnetite and fayalite in CV chondrites Kaba and Mokoia. Meteorit. Planet. Sci. 35 (in press).

A.M. Davis, K.D. McKeegan, and G.J. MacPherson (2000) Oxygen isotopic compositions of individual minerals from the FUN inclusion Vigarano 1623-5. Meteoritics and Planetary Science 35, A47.

T.J. Fagan, K.D. McKeegan, A.N. Krot, and K. Keil (2000) Calcium, Aluminum-rich inclusions in enstatite chondrites (2): Oxygen isotopes. Meteoritics and Planetary Science (in press).

T.J. Fagan, K.D. McKeegan, A.N. Krot, and K. Keil (2000) Oxygen isotope compositions of Ca, Al-rich inclusions in EH3 and EL3 chondrites. Lunar Planet. Sci. XXXI, #1592 (CDROM)

M. Fayek, T.M. Harrison, M. Grove, and C. Coath (2000) A rapid in situ method for determining the ages of uranium oxide minerals: evolution of the Cigar Lake deposit, Athabasca basin. Int. Geol. Rev. 2,163-171.

M. Fayek, T.M. Harrison, M. Grove, K.D. McKeegan, C.D. Coath, and J. R. Boles (2000) In situ stable isotopic analyses of multiple generations of cementation associated with the North Coles Levee Petroleum Reservoir, San Joaquin Basin, California. J. Sed. Res. (in press).

J.P. Greenwood, A.E. Rubin and J.T. Wasson (2000) Oxygen isotopes in R chondrite magnetite and olivine: links between R chondrites and ordinary chondrites. Geochim. Cosmochim. Acta (in press).

J.B. Greenwood, K.D. McKeegan, and J.T. Wasson (2000) A Karoonda conundrum: primordial oxygen in magnetite, olivine, and iron-ridh spinel in a metamorphosed calcium-aluminum-rich inclusion. Meteoritics and Planetary Science 35, A63-A64.

J.P. Greenwood, S.J. Mojzsis and C.D. Coath (2000) Sulfur isotopic compositions of individual sulfides in martian meteorites ALH84001 and Nakhla: Implications for crust-regolith exchange on Mars. Earth Planet. Sci. Lett. (in press).

J.P. Greenwood, J.T. Wasson, and K.D. McKeegan (2000) Metamorphosed CAI in Karoonda: constraints on CK metamorphism from oxygen isotopic compositions. Lunar Planet. Sci. XXXI, #2042 (CDROM)

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 and Planetary Science Letters 181, 271-277.

Y. Guan, K.D. McKeegan, and G.J. MacPherson (2000) Oxygen isotopic compositions in two calcium-aluminum-rich inclusions from unequilibrated ordinary chondrites. Meteoritics and Planetary Science 35, A67.

Y. Guan, K.D. McKeegan, and G.J. MacPherson (2000) Oxygen isotopes of CAIs from unequilibrated enstatite chondrites: characteristics and implications. Lunar Planet. Sci. XXXI, #1744 (CDROM).

T.M. Harrison, A. Yin, M. Grove, O.M. Lovera and F.J. Ryerson (2000) The Zedong Window: A record of superposed Tertiary convergence in southeastern Tibet. Jour. Geophys. Res. 105, 19,211-19230.

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.

C.E. Jacobson, A.P. Barth, M. Grove (2000) Late Cretaceous protolith age of the Pelona and Orocopia Schists (southern California). Geology (in press).

P. Kapp, A. Yin, C.E. Manning, M. Murphy, T.M. Harrison, M. Spurlin, D. Lin, D. Xi-Guang, and W. Cun-Ming (2000) Blueschist-bearing metamorphic core complexes in the Qiangtang block reveal deep crustal structure of northern Tibet. Geology 28, 19-22.

M.J. Kohn, E.J. Catlos, F.J. Ryerson, and T.M. Harrison (2000) P-T-t path discontinuity in the MCT Zone, Central Nepal. Geology (submitted).

A.N. Krot, K.D. McKeegan, J. Zipfel, M.K. Weisberg, A. Meibom, S.S. Russell, and K. Keil (2000) Refractory inclusions and Al-rich chondrules in Bencubbin/CH-like carbonaceous chondrites Hammadah Al Hamra 237 and Que94411. Lunar Planet. Sci. XXXI, #1448 (CDROM).

A.N. Krot, A. Meibom, S.S. Russell, E. Young, C. Alexander, K.D. McKeegan, G. Lofgren, J. Cuzzi, J. Zipfel, and K. Keil (2000) Chondrules of the very first generation in Bencubbin/CH-like meteorites QUE94411 and Hammadah al Hamra 237: origin by gas-liquid condensation. Lunar Planet. Sci. XXXI, #1499 (CDROM).

L.A. Leshin, K.D. McKeegan, and G.K. Benedix (2000) Oxygen isotope geochemistry of olivine from carbonaceous chondrites. Lunar Planet. Sci. XXXI, #1918 (CDROM).

C.F. Miller, R.D. Hatcher, J.C. Ayers, C.D. Coath, and T.M. Harrison (2000) Age and zircon inheritance of eastern Blue Ridge plutons, southwestern North Carolina and northeastern Georgia, with implications for magma history and evolution of the southern Appalachian orogen. Am. J. Sci. 300, 142-172.

K.D. McKeegan (2000) High precision isotope ratio measurements with a multiple collector SIMS. SIMS Workshop, Lake Tahoe, CA..

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.

K.D. McKeegan, J.P. Greenwood, L.A. Leshin, and M. Cosarinsky (2000) Abundance of 26Al in ferromagnesian chondrules of unequilibrated ordinary chondrites. Lunar Planet. Sci. XXXI, #2009 (CDROM)

K.D. McKeegan, S. Sahijpal, A.N. Krot, D. Weber, and A.A. Ulyanov (2000) Oxygen isotopic compositions of Ca, Al-rich inclusions from CH chondrites: preservation of the primary oxygen isotopic reservoirs of the solar system. Earth and Planetary Science Letters (accepted, in revision).

S.J. Mojzsis and T.M. Harrison (2000) Vestiges of a beginning: Clues to the emergent biosphere recorded in the oldest terrestrial sediments. GSA Today, 10 (4), 1-6.

M.R. Reid and C.D. Coath (2000) In situ ages of zircons from the Bishop Tuff: no evidence for long crystal residence times. Geology 28, 443-446.

S.S. Russell, G. MacPherson, L.A. Leshin, and K.D. McKeegan (2000) 16O enrichments in aluminum-rich chondrules from ordinary chondrites. Earth and Planetary Science Letters (in press).

S. Sahijpal, K.D. McKeegan, J.N. Goswami, and A.M. Davis (2000) Oxygen isotopic compositions of Murchison hibonites with wide-ranging radiogenic and neutron-rich stable isotope anomalies. Lunar Planet. Sci. XXXI, #1502 (CDROM)

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. Meteoritics and Planetary Science 35, 215-228.

K.J. Townsend, C.F. Miller, J.L D'Andrea, J.C. Ayers, T.M. Harrison, and C.D. Coath (2000) Low temperature replacement of monazite in the Ireteba granite, Southern Nevada: geochronological implications. Chemical Geology 172, 95-112.

A. Yin and T.M. Harrison (2000) Geologic evolution of the Himalayan-Tibetan Orogen. Ann. Revs. Earth Planet. Sci. 28, 211-80.