John Longhi

Lamont Research Professor

Lamont-Doherty Earth Observatory

Geochemistry

longhi@ldeo.columbia.edu

Fields of interest:

Experiment-based modeling of igneous processes on the Moon and the terrestrial planets. Volatile history of Mars.

Education

List of degrees from highest to lowest:

PhD, Harvard, 1976

B.S., University of Notre Dame, 1968

Selected Publications:

Petrogenesis of picritic mare magmas: Constraints on the extent of early lunar differentiation, Longhi, J. , Geochimica Et Cosmochimica Acta, Dec 15, Volume 70, Issue 24, p.5919-5934, (2006), DOI 10.1016/j.gca.2006.09.023

Phase equilibrium in the system CO2-H2O: Application to Mars, Longhi, J. , Journal of Geophysical Research-Planets, Jun 21, Volume 111, Issue E6, p.-, (2006), Doi 10.1029/2005je002552

Phase equilibria in the system CO2-H2OI: New equilibrium relations at low temperatures, Longhi, J. , Geochimica Et Cosmochimica Acta, Feb 1, Volume 69, Issue 3, p.529-539, (2005), DOI 10.1016/j.gca.2004.07.007

Temporal stability and pressure calibration of barium carbonate and talc/pyrex pressure media in a piston-cylinder apparatus, Longhi, J. , American Mineralogist, Jan, Volume 90, Issue 1, p.206-218, (2005)

A new view of lunar ferroan anorthosites: Postmagma ocean petrogenesis, Longhi, J. , Journal of Geophysical Research-Planets, Aug 7, Volume 108, Issue E8, p.-, (2003), Doi 10.1029/2002je001941

Near mantle solidus trace element partitioning at pressures up to 3.4 GPa, Salters, V. J. M.; Longhi, J. E.; Bizimis, M. , Geochemistry Geophysics Geosystems, Jul 9, Volume 3, p.-, (2002), Doi 10.1029/2001gc000148

Some phase equilibrium systematics of lherzolite melting: I, Longhi, J. , Geochemistry Geophysics Geosystems, Mar 22, Volume 3, p.-, (2002), Doi 10.1029/2001gc000204

Phase equilibrium constraints on angrite petrogenesis, Longhi, J. , Geochimica Et Cosmochimica Acta, Feb, Volume 63, Issue 3-4, p.573-585, (1999)

Some phase equilibrium constraints on the origin of Proterozoic (massif) anorthosites and related rocks, Longhi, J.; Vander Auwera, J.; Fram, M. S.; Duchesne, J. C. , Journal of Petrology, Feb, Volume 40, Issue 2, p.339-362, (1999)

Origin of Picritic Green Glass Magmas by Polybaric Fractional Fusion, Longhi, J. , Proceedings of Lunar and Planetary Science, Volume 22, p.343-353, (1992)

Phase-Equilibria of Dikes Associated with Proterozoic Anorthosite Complexes, Fram, M. S.; Longhi, J. , American Mineralogist, May-Jun, Volume 77, Issue 5-6, p.605-616, (1992)

Complex Magmatic Processes on Mars - Inferences from the Snc Meteorites, Longhi, J. , Proceedings of Lunar and Planetary Science, Volume 21, p.695-709, (1991)

The System Mg2sio4-Ca2sio4-Caal2o4-Naalsio4-Sio2 - One Atmosphere Liquidus Equilibria of Analogs of Alkaline Mafic Lavas, Pan, V.; Longhi, J. , Contributions to Mineralogy and Petrology, Volume 105, Issue 5, p.569-584, (1990)