Publications

REFEREED PUBLICATIONS (Since 1995)

Lundstrom, C. C., Gill, J., Williams, Q. and Perfit, M. R., 1995. Mantle Melting and Basalt Extraction by Equilibrium Porous Flow. Science, 270, 1958-1961.

Rubin, K.H., Macdougall, J.D. and Perfit, M.R., 210Po-210Pb dating of recent volcanic eruptions on the sea floor. Nature, 368, 841-844.

McInnes, B., M. Perfit, I. Jonasson and A. Heatherington (1996). Petrology, Geochemistry, and Volcanology of Rock Samples Collected During Project EDISON (SO-94): Tabar-Lihir-Tanga-Feni Islands; PNG. Report to the German Government.

Mejia, V., Opdyke, N.D., and Perfit, M.R., 1996. Paleomagnetic field intensity study recorded in submarine basaltic glass from the East Pacific Rise, the last 69 Ka. Geophysical Research Lett., 23, no. 5., 475-478.

Perfit M. R., Fornari, D.J., Ridley, W.I., Kirk, P.A., D.J. Casey, J., Kastens, K.A., Edwards, M., Shuster, R., and Paradis, S., 1996. Recent volcanism in the western Siqueiros Transform Fault: Picritic basalts and implications for MORB magma genesis. Earth Planet Sci. Lett., 141, 91-108.

Perfit, M. R. and Fornari, D., 1996. We Must Reach Out to the Public. EOS , Transactions, American Geophysical Union, 77, 183

Sorensen, S.S., Grossman, J.N. and Perfit, M.R., 1997. Phengite-hosted LILE enrichment in eclogite and related rocks: implications for fluid-mediated mass transfer in subduction zones and arc magma genesis. J. Petrology,.

Pockalny, R.A., Fox, P.J., Fornari, D.J., MacDonald, K.C. and Perfit, M.R., 1997. Tectonic reconstruction of the Clipperton and Siqueiros Fracture Zones: Evidence and consequences of changes in plate motion for the last 3 Myr. J. Geophys. Res., 102, 3167-3181.

Fornari, D.J., Humphris, S.E., and Perfit, M.R., (1997). Deep submergence science takes a new approach. EOS, Trans. Am. Geophys. Union, 78, 402-408.

Gregg, T.K.P., Fornari, D.J., Perfit, M.R., Haymon, R.M., and Fink, J.H., (1997). Rapid emplacement of a mid-ocean ridge lava flow on the East Pacific Rise at 9° 46’-51’N, Earth Planet. Sci. Lett., 144, E1-E7.

Herzig, P., Linke, P., Suess and others (including Perfit), (1997), Die Hydrothermalsysteme des Axial Seamount, Geowissenschaften, 15, 185-193.

Fornari, D.J., Gregg, T.K.P., and Perfit, M.R., 1997. Axial summit caldera and axial summit graben: A reply. RIDGE Events, 8, 12-19.

Fornari, D.J. and Perfit, M.R., (1997), Sampling and imaging requirements for deep submergence science. MTS Journal, 31, 77-79.

Fornari, D.J., R.M. Haymon, M. R. Perfit, T.K.P. Gregg and M.H. Edwards, (1998). Axial summit trough of the East Pacific Rise 9°-10°N: Geological characteristics and evolution of the axial zone on fast spreading mid-ocean ridges J. Geophys. Res., 103, 9827-9855.

Fornari, D.J., Shank, T., Von Damm, K. L., Gregg, T. K. P., Levai, G., Haymon, R. M., Lilley, M., Bray, A., Baron, S., Perfit, M. R., and R. Lutz, (1998). Time-series Temperature Measurements at High-temperature Hydrothermal Vents, East Pacific Rise Crest 9° 49’-51’N: Evidence for monitoring a crustal cracking event. Earth Planet Sci. Lett., 160, 419-431.

Rubin, K.H., *Smith, M.C., Perfit, M.R., Christie, D.M., and Sacks, L.F., (1998). Geochronology and Geochemistry of Lavas from the 1996 Gorda Ridge Eruption. Deep Sea Res.II,.45, 2571-2597

Perfit, M.R., and Chadwick, W.W. Jr., (1998). Magmatism at mid-ocean ridges: Constraints from volcanological and geochemical investigations. in Faulting and Magmatism at Mid-Ocean Ridges, ed. W.R. Buck, P. Delaney, and J.A. Karson. Geophys Monograph 92., Amer. Geophys Union, Washington D.C. in press.

Perfit, M.R., Ridley, W.I. and Jonasson, I., (1998). Geologic, petrologic and geochemical relationships between magmatism and massive sulfide mineralization along the eastern Galapagos Spreading Center, Rev. Economic Geology. Vol 8, Chapter 4, 75-99.

Lundstrom, C.C., Sampson, D.E., Perfit, M.R., Gill, J., and Williams, Q., (1999). Insights into MORB Petrogenesis: U-series Disequilibria from the Siqueiros Transform and Lamont Seamounts. J. Geophysical Res., 104, 13,035-13,048.

Perfit, M.R., Sea-Floor Spreading- Mid-Ocean Ridge Geochemistry and Petrology. in Encyclopedia of Ocean Sciences, J. Steel, S. Thorpe and K. Turekian, eds., Academic Press, San Diego, CA, in press

Perfit, M.R. and Davidson, J.P. (2000). Plate Tectonics and Volcanism. in Encyclopedia of Volcanoes, H. Sigurdsson ed.. Academic Press, San Diego, CA. 89-113.

Perfit, M.R., (1999). Earth’s Oceanic Crust. in Encyclopedia of Geochemistry, C.P. Marshall and R.W. Fairbridge, eds., Kluwer Academic Publishers, Boston 179-182.

Jonasson, I. R. and Perfit, M.R., (1999). Unusual forms fo amorphous silica from submarine warm springs, Juan de Fuca Ridge, Northeastern Pacific Ocean. Canadian Min., 37, 27-36.

Perfit, M.R., (1999). Molten Rocks in Motion, Nature, 402, 245-247.

Fryer, P, Fornari, D.J., and Perfit, M.R., (2000). Future Research Directions in Deep Submergence Science, Marine Technological Journal,.

Gregg, T.K.P., D.J. Fornari, M.R. Perfit and I.R. Ridley, (2000). Using submarine lava pillars to record mid-ocean ridge eruption dynamics, Earth Planet. Sci. Lett., 178, 195-214.

Embley, R.W., Chadwick, W.W., Perfit, M.R., Smith, M.C., and Delaney, J.R., (2000). Recent eruptions on the CoAxial Segment of the Juan de Fuca Ridge: Implications for mid-ocean ridge accretion processes. J. Geophys. Res., v. 105, 16,501-16,525.

Kurras G.J., Fornari, D.J., Edwards, M.H., Perfit, M.R. and Smith, M.C., (2000). Volcanic Morphology of the East Pacific Rise Crest 9° 49’-52’ N: 1. Implications for Volcanic Emplacement Processes at Fast-Spreading Mid-Ocean Ridges, Marine Geophys. Res., 21, 23-41.

Perfit, M.R., (2001). Sea-Floor Spreading- Mid-Ocean Ridge Geochemistry and Petrology. in Encyclopedia of Ocean Sciences, J. Steel, S. Thorpe and K. Turekian, eds., Academic Press, San Diego, CA, in press.

Rubin, K.H., Smith, M.C., Bergmanis, E.C.,. Perfit, M. R., Sinton, J. M. and Batiza, R., (2001). Geochemical heterogeneity of individual mid-ocean ridge lava flows: Insights into eruption, emplacement and global variations in magma generation. Earth Planet Sci. Lett., 188, 349-367.

Smith, M.C., M. Perfit, D. Fornari, I. Ridley, M. Edwards, G. Kurras, and K. Von Damm, (2001). Magmatic processes and segmentation at a fast spreading mid-ocean ridge: detailed geochemistry and mapping of the East Pacific Rise at 9°37’N – small overlapping spreading center, Geochem. Geophys. Geosyst.,v2. #2000GC000134 ,.

Sims,K., Goldstein,S.J., Blicher-Toft, J., Perfit, M.R., Keleman, D.J., Fornari, D.J., Michael P., Murrell, M.T., Hart, S.R., DePaolo, D.J., Layne, G., Jull, M., and Bender, J. Chemical and isotopic constaints on the generation and transport of melt beneath the East Pacific Rise. Geochem. Cosmochim. Acta. (submitted).

White, S.M., Haymon, R.H., Fornari, D.J., Perfit, M.R., and Macdonald, K.C., (2002). Volcanic Structures and Lava Morphology of the East Pacific Rise, 9-10N: Constraints on Volcanic Segmentation and Eruptive Processes at Fast-Spreading Ridges. J. Geophy. Res., v. 107,

Saal, A.E., Hauri, E.H., Langmuir, C.H., and Perfit, M.R., (2002). Vapour undersaturation in primitive mid-ocean-ridge basalt and the volatile content of Earth’s upper mantle. Nature, v. 419, 451-455.

Perfit, M.R., Smith, M.C., Fornari, D.J. and others, Chemical variability and petrogenesis of lavas from the recently active segment of the East Pacific Rise, 9° 50’N. Jour. Geophys. Res., in prep.

Danyushevsky, L., Perfit, M. R., Eggins, S., and Falloon, T. (2002) Assimilation of lower crust cumulates produces “ultra-depleted” signatures in oceanic magmas: Evidence from melt inclusions in olivine phenocrysts in MORB from the Siqueiros Transform, East Pacific Rise. Contrib. Min. Pet.

Engels, J.L., Edwards, M.E., Fornari, D.J., Perfit, M.R. and Cann, J. R., (2003). A new model for submarine volcanic collapse formation. Geochem. Geophys. Geosyst., v. 4, 9, doi:10:1029/2002GC000483, 22 p.

Sims, K.W.W., J. Blichert-Toft, D. J. Fornari1, M. R. Perfit, S. Goldstein, P. Johnson, D.J. DePaolo, S. R. Hart , M.T. Murrell, P. Michael, G. Layne, L. Ball. (2003) Aberrant youth: Chemical and isotopic constraints on the origin of off-axis lavas from the East Pacific Rise, 9° – 10° N. Geochem. Geophys. Geosyst.,(in revision, 02).

Sun, W., V.C. Bennett, S. M. Eggins, R.J. Arculus and Perfit, M.R., (2003). Rhenium systematics in submarine MORB and Back-arc basin glasses: Laser ablation ICP-MS results. Chemical Geology, (in press)

Sims, K.W. W., J. Blichert-Toft, D. J. Fornari, M. R. Perfit, S. Goldstein, P. Johnson, D.J. DePaolo, S. R. Hart , M.T. Murrell, P. Michael, G. Layne, L. Ball, (2003). Aberrant youth: Chemical and isotopic constraints on the origin of off-axis lavas from the East Pacific Rise, 9° – 10° N. Geochem. Geophys. Geosyst., 4, doi: 10:1029/2002GC000443, 27 p.

Kamenov, G., Mueller, P., and Perfit, M., (2004), Optimization of mixed Pb-Tl solutions for high precision isotopic analyses by MC-ICP-MS. Journal of Analytical Atomic Spectroscopy, v. 19, DOI: 10.1039/b403222e.

Fornari, D.J., Tivey, M., Schouten, H., Perfit, M.R., and 8 others, (2004). Submarine Lava Flow Emplacement at the East Pacific Rise 9° 50’N: Implications for Uppermost Ocean Crust Stratigraphy and Hydrothermal Fluid Circulation. in Mid-Ocean Ridges: Hydrothermal Interactions between the Lithosphere and the Oceans; ed. German, C.R., Lin, J, and Parson, L.M.; Geophys. Monograph 148, Amer. Geophys Union, Washington D.C., 187-217.

Chadwick, D.J., Perfit, M.R., Ridley, W.I., Jonassan, I.R., Kamenov, G., Chadwick, W.W., Embley, R., le Roux, P., R., Smith, M.C. (2005). Magmatic Effects of the Cobb Hotspot on the Juan de Fuca Ridge Journal of Geophysical Research, v. 110, doi: 10.1029/2003JB002767, 16 p.

Kamenov, G.D., Perfit, M.R., Jonasson, I., and Mueller, P.A., (2005). Magma recharge as a mechanism for ore deposit formation: examples from Lihir Island and Conical Seamount, Papua New Guinea. Chemical Geology, 219, 131-148.

Soule, S.A., Fornari, D.J., Perfit, M.R., Tivey, M.A., Ridley, W.I., and Schouten, H.; (2005). Channelized lava flows at the East Pacific Rise crest 9°-10°N: The importance of off-axis lava transport in developing crustal architecture, Geochem. Geophys. Geosyst., 6, Q08005, doi:10.1029/2005GC000912, 28 p.

Stakes, D.S., Perfit, M.R., Tivey, M.A., Caress, D., Ramirez T.M., Maher N., (2006). The Cleft Revealed: Geologic, magnetic and morphologic evidence for construction of upper oceanic crust along the southern Juan de Fuca Ridge. Geochem. Geophys. Geosyst., 7, Q04003, doi: 10.1029/2005GC001038, 32 p.

Ridley, W.I., Perfit, M.R., Fornari, D.J. and Smith, M. (2006) Magmatic processes in developing oceanic crust revealed in a cumulate xenolith collected at the East Pacific Rise, 9°50’N. Geochem. Geophys. Geosyst.; 7, Q12O04, doi:10.1029/2006GC001316, 25 p.

le Roux P.J., Shirey, S.B., Hauri, E.H., Perfit, M.R., Bender, J.F., (2006). The effects of variable sources, processes and contaminants on the composition of northern EPR MORB (8-10ºN & 12-14ºN): evidence from volatiles (H2O, CO2, S) and halogens (F, Cl). Earth Planet Sci. Lett., 251, 209-231.

Bowles, J. Gee, J.S., Kent, D.V., Perfit, M.R., Soule, S.A., and Fornari, D.J. (2006) Paleointensity results from 9° – 10°N on the East Pacific Rise: implications for timing and extent of eruptive activity. Geochem. Geophys. Geosyst., 7, QO6006, doi:10.1029/2005GC001141, 32 p.

Tolstoy, M., Cowen, J. P., Baker, E.T., Fornari, D.J., Rubin, K.H., Shank, T. M., Waldhauser, F., Bohnenstiehl, D., Forsyth, D.W., Holmes, R.C., Love, B., Perfit, M.R., Weekly, R.T., Soule, S.A., and B. Glazer. (2006) A seafloor spreading event captured by seismometers. Science, 314, DOI: 10.1126science.1133950, 1920-1922.

Geist , D.J, D. J. Fornari, M. D. Kurz, K. S. Harpp, S. A. Soule, M. R. Perfit, and A. M. Koleszar,A.M. (2006). Submarine Fernandina: A magmatic plumbing system at the leading edge of the Galápagos Hotspot. . Geochem. Geophys. Geosyst., 7, Q12007, doi:10.1029/2006GC001290. 27 p.

Ridley, W.I., Perfit, M.R., Fornari, D.J. and Smith, M. (2006) Magmatic processes in developing oceanic crust revealed in a cumulate xenolith collected at the East Pacific Rise, 9°50’N. Geochem. Geophys. Geosyst.; 7, Q12O04, doi:10.1029/2006GC001316, 25 p.

Soule, S.A., Fornari, D.J., Perfit, M.R., Ridley, W.I., Reed, M.H., and Cann, J.R., (2006) Incorporation of seawater into mid-ocean ridge lavas during emplacement. Earth Planet. Sci. Lett., 252, 289-307.

Putirka, K.D., Perfit, M.R., Ryerson, F.J. and Jackson, M.G., (2007). Ambient and excess mantle temperatures, olivine thermometry, and active vs. passive upwelling. Chemical Geology. 241, 177-206.

Escartın, J., Soule, S. A., Fornari, D. J., Tivey M. A., Schouten H., and Perfit, M.R.; (2007). Interplay between faults and lava flows in construction of the upper oceanic crust: The East Pacific Rise crest 9° 25’–9° 58’N, Geochem. Geophys. Geosyst., 8, Q06005, doi:10.1029/2006GC001399., 20 p.

Kamenov, G.D., Perfit, M.R., Mueller, P.A., and Jonasson, I. R., (2007) Controls on magmatism in an island arc environment: study of lavas and sub-arc xenoliths from the Tabar-Lihir-Tanga-Feni island chain, Papua New Guinea. Contrib. Mineral. Petrol., DOI 10.1007/s00410-007-0262-0, 22 p.

Soule, S.A., Fornari, D.J., Perfit, M.R., and Rubin, K.H., (2007) New insights into mid-ocean ridge volcanic processes from the 2005-2006 eruption of the East Pacific Rise 9° 46’ – 9° 56’N. Geology. v. 35; no. 12, doi: 10.1130/G23924A.1; 1079–1082.

Lowell, R. P., Seewald, J.S., Metaxas, A., and Perfit, M.R., (2008) Modeling hydrothermal processes at ocean spreading centers: magma to Microbe – an overview. In Magma to Microbe: Modeling Hydrothermal Processes at Ocean Spreading Centers; Lowell, R. P., Seewald, J.S., Metaxas, A., and Perfit, M.R., eds., Geophysical Monograph, 178, American Geophysical Union, Washington D.C., 1-13.

Lowell, R.P., Seewald, J.S., Metaxas, A., and Perfit, M.R., Eds. (2008). Magma to Microbe: Modeling Hydrothermal Processes at Ocean Spreading Centers; Geophysical Monograph, 178, American Geophysical Union, Washington D.C

White, S.M., Mason, J.L., Macdonald, K.C., Perfit, M.R., Wanless, V.D., Klein, E.M., (2009). Significance of widespread low effusion rate eruptions over the past two million years for delivery of magma to the overlapping spreading centers at 9°N East Pacific Rise, Earth Planet Sci. Lett., 280, 175-184.

Chadwick, J., Perfit, M.R., McInnes, B., *Kamenov, G., Plank, T., Jonasson, I, Chadwick, C. (2009). Arc lavas on both sides of a trench: Slab window effects at the Solomon Islands triple junction, SW Pacific. Earth Planet. Sci. Lett., 279, 293-302

Goss, A.R., Perfit, M.R., Ridley, W.I., Rubin, K.H., Kamenov, G.D., Soule, S.A., Fundis, A., and Fornari, D.J., Geochemistry of lavas from the 2005-06 eruption at the East Pacific Rise (9° 46-56’ N): Implications for decadal changes in magma chamber and mantle compositions; Geochem. Geophys. Geosyst., (Submitted).

Wanless, V.D., Perfit, M.R., Ridley, W.I., and Klein, E., Dacite Petrogenesis on Mid-Ocean Ridges: Evidence for Oceanic Crustal Melting and Assimilation; J. Petrology; (Submitted).

Schmitt, A.K., Perfit, M.R., Rubin, K.H., Stockli, D.F., Smith, M.C., Cotsonika, L.A., Zellmer, G.F., Ridley, W.I., Lovera, O.M., Precise Cooling Rates for Oceanic Lower Crust from Zircon in Evolved Mid-Ocean Ridge Lavas; Nature Geosciences, (Submitted)

ARTICLES IN BOOKS, ENCYCLOPEDIAS AND NON-REFEREED JOURNALS (Since 1992)

Perfit, M.R., (1995). News from the Deep Submergence Science Committee. UNOLS News, v. 12, 2, p. 2.

B. McInnes, M. Perfit, I. Jonasson and A. Heatherington (1996). Petrology, Geochemistry, and Volcanology of Rock Samples Collected During Project EDISON (SO-94):Tabar-Lihir-Tanga-Feni Islands; PNG. in Tectonics, Petrology and Hydrothermal Process in Areas of Alkaline Island-arc Volcanoes in the Southwest Pacific: The Tabar-Lihir-Tanga-Feni Island Chain, Papua New Guinea. P.M. Herzig and K-P. Becker, eds. Final Report SONNE-94, Freiberg University of Mining and Technology, 289p.

Perfit, M. R. and Fornari, D., (1996). We Must Reach Out to the Public. EOS , Transactions, American Geophysical Union, 77, 183

Fornari, D.J., Humphris, S.E., and Perfit, M.R., (1997), Deep submergence science takes a new approach. EOS, Trans. Am. Geophys. Union, 78, 402-408.

Fornari, D.J., Gregg, T.K.P., and Perfit, M.R., (1997). Axial summit caldera and axial summit graben: A reply. RIDGE Events, 8, 12-19.

Perfit, M.R., (1999). Earth’s Oceanic Crust. in Encyclopedia of Geochemistry, C.P. Marshall and R.W. Fairbridge, eds., Kluwer Academic Publishers, Boston ;179-182.

Perfit, M.R., (1999). Molten Rocks in Motion, Nature, 402, 245-247

Perfit, M.R. and Davidson, J.P. (2000). Plate Tectonics and Volcanism. in Encyclopedia of Volcanoes, H. Sigurdsson ed.. Academic Press, San Diego, CA. 89-113.

Perfit, M.R., (2001). Sea-Floor Spreading- Mid-Ocean Ridge Geochemistry and Petrology. in Encyclopedia of Ocean Sciences, J. Steel, S. Thorpe and K. Turekian, eds., Academic Press, San Diego, CA, 1778-1788.

Fryer, P., D. Fornari, M. Perfit, K. Von Damm, S. Humphris, P.J. Fox, L. Lippsett and the UNOLS DEep Submergence Science Committee (DESSC). (2002). Being there- the continuing need for human presence in the deep ocean for scientific research and discovery. Eos.

Perfit, M.R., (2003). Mid-Ocean Ridges, in Encyclopedia of Oceanography and Marine Science. Jim Nybakken (ed).; Fitzroy-Dearborn Publishers. 1500p.