Jim Gill’s Publications

 

Google Scholar says as of 6/21, ~16,000 citations with h-index=60

https://scholar.google.com/citations?user=RNeP4toAAAAJ&hl=en

 

Books

 

1981   Orogenic Andesites and Plate Tectonics: Springer-Verlag, 390 pp.  J. B. Gill.

 

Manuscripts submitted and under review

 

2021     Juvenile Cenozoic continental crust evolution in an oceanic arc setting: Fiji. C. S. Marion, E. K. Drewes. A. Stork, E. Todd, J. B. Gill, J. Ellis Hoffmann, K. Tani, C. M. Allen, C. Munker. Geochim. Cosmochim. Acta

 

Published Refereed Articles

 

2021  Sr, Nd, Hf and Pb isotope geochemistry of Early Miocene shoshonitic lavas from the South Fiji Basin: note. N. Mortimer, D. Bosch, C, Laport-Magoni, E. Todd, J. Gill.  N.Z. Journal of Geology and Geophysics

doi:10.1080/00288306.2021.1876110

 

2021  Geochemistry and geochronology of Cenozoic plutons of Viti Levu, Fiji, Version 1.0. Todd, E., Stork, A., Drewes, E., Tani, K., Allen, C., Gill, J Interdisciplinary Earth Data Alliance (IEDA).  doi.org/10.26022/IEDA/111854 

 

2020  Basalt geochemistry and mantle flow during early backarc basin evolution: Havre Trough and Kermadec arc, southwest Pacific. J. Gill, K. Hoernle, E. Todd, F. Hauff, R. Werner, C. Timm, D. Garbe-Schönberg, M. Gutjahr.  Geochem. Geophys. Geosyst.  doi: 10.1029/2020GC009339.

 

2020  Hikurangi Plateau subduction a trigger for Vitiaz arc splitting and Havre Trough opening.. K. Hoernle, J. Gill, C. Timm, F. Hauff., R. Werner, D. Garbe-Schönberg, M. Gutjahr.  Geology

 

2020  R/V SONNE Cruise SO255 "VITIAZ": An integrated major element, trace element and Sr-Nd-Pb-Hf isotope data set of volcanic rocks from the Colville and Kermadec Ridges, the Quaternary Kermadec volcanic front and the Havre Trough backarc basin, Version 1.0. Hauff, F., Hoernle, K., Gill, J., Werner, R., Timm, C., Garbe-Schönberg, D., Gutjahr, M., Jung, S. Interdisciplinary Earth Data Alliance (IEDA).  doi.org/10.26022/IEDA/111723.

 

2020  The first 10 million years of rear-arc magma following backarc basin formation behind the Izu arc.     T. Miyazaki,  J.B. Gill, C. Hamelin, S.M. DeBari, T. Sato, Y. Tamura, J-I. Kimura, B.S. Vaglarov, Q. Chang, R. Senda, and S. Haraguchi.  Geochem. Geophys. Geosyst.  doi.org/10.1029/2020GC009114

 

2020 The earliest stage of Izu rear arc volcanism revealed by drilling at Site U1437, IODP Expedition 350.   T. Sato, T. Miyazaki, Y. Tamura, J. Gill, M. Jutzeler, R. Senda, and J-I. Kimura. The Island Arc. doi:10.1111/iar.12340. 1-18.

 

2020 Izu Bonin Across Arc Geochemical Dataset between latitudes 32°40' to 30°20'. S. M. DeBari, L. J. Heywood, J. B. Gill. EarthChem Library. Doi: 10.1594/IEDA/111493 

 

2020 Across-arc diversity in rhyolites from an intra-oceanic arc: Evidence from IODP Site U1437, Izu-Bonin rear-arc and surrounding area.  L.J. Heywood, S.M. DeBari, J. Gill, S.M. Straub, J.C. Schindlebeck-Belo, R.D. Escobar-Burciaga, and J. Woodhead. Geochem. Geophys. Geosyst.  Doi:10.1029/2019GC008353

 

2019 Tracing dehydration and melting of the subducted slab with tungsten isotopes in arc lavas. S. Mazza, A, Stracke, J. Gill, J-I Kimura, T. Kleine.  Earth Planet. Sci. Lett. Doi.org/10.1016/epsl.2019.115942

 

2019 Ar-Ar age constraints on the timing of Havre Trough opening and magmatism. R. Wysoczanski, G. Leonard, J. Gill, and others. N.Z. Journal of Geology and Geophysics doi: 10.1080/00288306.2019.1602059

 

2018 Izu sample geochemical analysis compilation. Interdiscilplinary Earth Data Alliance (IEDA). J. Gill. https://doi.org/10.1594/IEDA/111181.

 

2018 Spreading dynamics of an intermediate-rate ridge: insights from U-series disequilibria, Endeavour segment, Juan de Fuca Ridge.  S. Scott, F. Ramos, J. Gill.  J. Petrology doi: 10.1093/petrology/egy082

 

2018 Tuffaceous mud is a volumetrically important volcaniclastic facies of submarine arc volcanism and record of climate change. J. Gill, E. Bongiolo, T. Miyazaki, C. Hamelin, M. Jutzeler, S. DeBari. A-S. Jonas, R. Vaglarov, L. Nascimento, M. Yakavonis. Geochem. Geophys. Geosyst., 19, 1-27. doi.org/10.1002/2017GC007300

 

2017 Geodynamic implications for zonal and meridional isotopic patterns across the northern Lau and North Fiji Basins.  A. Price, M. Jackson M., J. Blichert-Toft, M. Kurz, J. Gill, J. Bluszatajn, F. Jenner, R, Brens, and R. Arculus. Geochem. Geophys. Geosyst., 18, 1013–1042, doi:10.1002/2016GC006651.

 

2017 Origin of geochemical mantle components: role of spreading ridges and thermal evolution of the mantle.

J-I Kimura, J. Gill, P. van Keken, H. Kawabata, S. Skora. Geochem. Geophys. Geosyst., 18, 697–734, doi:10.1002/2016GC006696.

 

2016   Origin of geochemical mantle components: roles of subduction filter. J-I Kimura, J. Gill, S. Skora, P. van Keken, and H. Kawabata. Geophysics, Geochemistry,  Geosystems 17, 3289-3325. doi:10.1002/2016GC006343..

 

2016 Spatial and temporal scale of mantle enrichment at the Endeavour Segment, Juan de Fuca Ridge. J. Gill, P. Michael, J. Woodcock, B. Dreyer, F. Ramos, D. Clague, J. Kela, S. Scott, K. Konrad, and D. Stakes. J. Petrology 57, 863-896 doi: 10.1093/petrology/egw024. 

 

2016 U-series and 40Ar/39Ar ages of Holocene volcanic rocks at Changbaishan volcano, China. F. Ramos, M. Heizler, J. Buettner, J. Gill, H. Wei, C. Dimond, S. Scott. Geology 44, 511-514. doi:10.1130/G37837.1.

 

2016 Thorium isotope evidence for melting of the mafic oceanic crust beneath the Izu arc. Geochim. Cosmochim. Acta.186, 49-70 doi.org/10.1016/j.gca.2016.04.034.  H. Freymuth, B. Ivko, J. Gill, Y. Tamura, and T. Elliott.

 

2016 Island arc volcanism. J. Gill. In: Encyclopedia of Marine Geoscience (Eds. J. Harff, M. Meschedo, S. Petersen, J. Thiede) Springer Verlag.

 

2015 Izu-Bonin-Mariana Rear Arc. Tamura Y, Busby C.J., Blum P, and Exp. 350 Scientists. Proc. IODP Vol. 350. doi:10.14379/iodp.proc.350.2015. 

 

2015 Rescue of long-tail data from the ocean bottom to the Moon: IEDA Data Rescue Mini-Awards. L. Hsu, R. Arko, S. Carbotte, J. Delano, V. Ferrini, J. Gill, A. Goodwillie, K. Lehnert, M. Tivey.  Geo. Res. J. 6, 108–114.

 

2015 Reply to comment by I. Pineda-Velasco, T.T. Nguyen, H. Kitagawa, and E. Nakamura on “Diverse magmatic effects of subducting a hot slab in SW Japan: results from forwarding modeling.” J-I Kimura, T. Miyazaki, B.S. Vagarov, S. Hariguchi, Q. Chang, and J. Gill. Geophysics, Geochemistry, Geosystems 16, 1-5. doi:10.1002/2015GC005984.

 

2014 Diverse magmatic effects of subducting a hot slab in SW Japan: results from forwarding modeling. . J-I Kimura, J. Gill, and many others. Geophysics, Geochemistry, Geosystems 15, 691–739, doi:10.1002/2013GC005132

 

2014 Geochemical variations in the Central Southern Volcanic Zone, Chile (38-43oS): the role of fluids in generating arc magmas. G. Jacques, K.Hoernle, J. Gill, H. Wehrmann, I. Bindeman, L. Lara. Chemical Geology 371, 27-45.

 

2013    Petrological variability of recent magmatism at Axial Seamount Summit, Juan de Fuca Ridge. B. Dreyer, D. Clague, J. Gill. Geophysics, Geochemistry, Geosystems 14(10) 10.1002/ggge.20239.

 

2013    Invited response to “An Introduction to Orogenic Andesites and Crustal Growth”. J. Gill. In: Orogenic Andesites and Crustal Growth  (eds. A. Gomez-Tuena, S. Straub, G. Zelmer)  Geological Society, London, Special Pub. 385. 

 

2013    Across-arc geochemical variations in the Southern Volcanic Zone, Chile (34.5-38.0oS): constraints on the mantle wedge and input compositions. G. Jacques, K. Hoernle, J. Gill, F. Hauff, H. Wehrmann, D. Garbe-Schonberg, P. van den Bogaard, I. Benjamin, L. Lara.  Geochim. Cosmochim. Acta 123

 

2013    Review of activity at Tianchi Volcano, Changbaishan, and implications for future eruptions. H. Wei, G. Liu, J. Gill. Bull. Volcanol. 75:706. doi 19.1007/s00445-01300706-5  

2012     Evolution of the African continental crust as recorded by U-Pb, Lu-Hf, and O isotopes in detrital zircons from modern rivers. T. Iizuka, I. Campbell, C. Allen, J. Gill, S. Maruyama, F. Makoka. Geochim, Cosmochim. Acta http://dx.doi.org/10.1016/j.gca.2012.12.028.

2012    CentAm & IBM Geochemical Database version 1.02.  E. Jordan, W. Lieu, R. Stern, M. Carr, M. Feigenson, J. Gill.  EarthChem IDEA doi:10.1594/IEDA/100053

2012    Tracing mantle sources and Samoan influence in the northwestern Lau back-arc basin.. M. Lytle, K. Kelley, E. Hauri, J. Gill, D. Papia, R. Arculus. Geophysics, Geochemistry, Geosystems, doi:10.1029/2012GC004233

2012    Across- and along-arc geochemical variations of lava chemistry in the Sangihe Arc: various fluid and melt slab fluxes in response to slab temperature. Geophysics, Geochemistry, Geosystems doi:10.1029/2012GC004346. T. Hanyu, J. Gill, and nine others.

 

2012    Rapid magmatic processes accompany arc – continent collision: the Western Bismarck arc, Papua New Guinea. Contr. Mineral. Petrol. doi 10.1007/s00410-012-0776-y.  H. Cunningham, J. Gill, S. Turner, J. Caulfield, L. Edwards. S. Day.

 

2012    A variably enriched mantle wedge and contrasting melt types during arc stages following

 subduction initiation in Fiji and Tonga, southwest Pacific. Earth Planet. Sci. Lett.  335-336, p.180-194. E. Todd, J. Gill, J. Pearce.

2012    Endeavour segment of the Juan de Fuca Ridge. Oceanography 25, 44-61.  D. Kelley, S. Carbotte, D. Clague., D. Caress, J. Delaney, J. Gill and others.

2011    Hf isotopic evidence for small-scale heterogeneity in the mode of mantle wedge enrichment: southern Havre Trough and South Fiji Basin back-arcs. Geophysics, Geochemistry, Geosystemsv. v.12, No. 9Q09011, doi:10.1029/2011GC003683. E. Todd, J.B.Gill, R.J. Wysoczanski, J. Hergt, I.C. Wright, M.I. Leybourne, N. Mortimer.

2011    Hafnium isotopic variability in East Atlantic intraplate volcanism. Contr. Mineral. Petrol. 162, 21-36. J. Geldmacher, K. Hoernle, B. Hanan, J. Blichert-Toft, F. Hauff, J. Gill, and H-U Schmincke.

2010    Influence of subducted components on back-arc melting dynamics in the Manus Basin. Geophysics, Geochemistry, Geosystems Q0AC03, doi:10.1029/2010GC003037.  C. Beier, S.Turner, J. Sinton, J. Gill

2010 Incorporation of subducted slab-derived sediment and fluid in arc magmas: B-Be-Nd systematics of the Kurile convergent margin, Russia. J. Petrology 51, 1761-82. B. Dreyer, J. Morris, and J. Gill.

2010 Across-arc geochemical trends in the Izu-Bonin arc: contributions from the subducted slab, revisited. Geochem. Geophys. Geosyst., 11, Q01X10, doi:10.1029/2009GC002847 D. Tollstrup, J. Gill, A. Kent, D. Prinkey, R. Williams, Y. Tamura, O. Ishizuka.

2010 Sources of constructional cross-chain volcanism in the southern Havre Trough: new insights from HFSE and REE concentration and isotope systematics. Geophysics, Geochemistry, Geosystems 11, doi:10.1029/2009GC002888 E. Todd, J. Gill, R. Wysoczanski, M. Handler, I. Wright, and J. Gamble.

2009   Silicic magmas in the Izu-Bonin oceanic arc and implications for crustal evolution.  J. Petrology. 50, 685-723 Y. Tamura, J. Gill, D. Tollstrup, H. Kawabata, H. Shukuno, Q. Chang, T. Miyazaki, T. Takahashi, Y. Hirahara, S. Kodaira, O. Ishizuka, T. Suzuki, Y. Kido, R. Fiske, and Y. Tatsumi

 

2009   Seismic structure of the upper mantle beneath the Philippine Sea from seafloor and land observation: implications for mantle convection and magma genesis in the Izu-Bonin-Mariana (IBM) subduction zone. Earth Planet. Sci. Letters 278, 107-        119. T. Isse, H. Shiobara, Y. Tamura, D. Suetsugu, K. Yoshizawa, H. Sugioka, A. Ito, H. Kawakatsu, A. Shito, C. Adam, T. Kanazawa, Y. Fukao, J. Gill, O. Ishizuka

 

2008    Inter-laboratory assessment of the Th isotopic composition of synthetic and rock standards. Geostandards and Geoanalytical Research 32, 65-91. K. Sims, J. Gill, and 11 others.

 

2007   Geochemical tracing of mantle domain boundaries and mantle flow in the SW Pacific. Earth Planet. Sci. Letters 260, 98-114. J. Pearce, P. Kempton, J Gill.

 

2006   Closed to open system differentiation at Arenal Voicano (1968-2003). J. Volcanol. Geothermal Res. 157, 75-93. C. Ryder, J. Gill, F. Tepley, F. Ramos, M. Reagan.

 

2006   Timescales of degassing and crystallization implied by 210Po-210Pb-226Ra disequiibria for andesitic lavas erupted from Arenal volcano. J. Volcanol. Geothermal Res. 157, 135-146. M. Reagan, F. Tepley, J. Gill, M. Wortel, and J. Garrison.

 

2006    U-Th-Ra disequiibria and the time scale of fluid transfer and andesite differentiation at Arenal volcano, Costa Rica (1968-2003). J. Volcanol. Geothermal Res. 157, 147-165. F. Tepley, C. Lundstrom, J. Gill, and R. Williams.

 

2006     Introduction to Arenal Volcano, Costa Rica: Magma genesis and volcanlogical processes. J. Volcanol. Geothermal Res.  157, 1-8. J. Gill, M. Reagan, F. Tepley, and E. Malavassi.

 

2005    Hf isotope and concentration systematics of the Mariana arc. Geology  33, 737-740. D. Tollstrup and J. Gill

 

2005     Rapid time scales of basalt to andesite differentiation at Anatahan volcano, Mariana Island. J. Volcanol. Geothermal Res. 146, 171-183. M. Reagan, F. Tepley, J. Gill, M. Wortel, B. Hartman.

 

2005     The May 2003 eruption of Anatahan volcano, Mariana Islands: geochemical evolution of a silicic island arc volcano. J. Volcanol. Geothermal Res. 146, 139-170. J. Wade, T. Plank, R. Stern, D. Tollstrup, J. Gill, et al.

 

2004     Comment on "Steady-state 226Ra/230Th disequilibrium in mantle minerals: implications for melt transport rates in island arcs". Earth Planet. Sci. Lett. 228, 563-567. R. George, M. Reagan, S. Turner, J. Gill, B. Bourdon

 

2003     U-series disequilibria in volcanic rocls from the Canary Islands; asthenospheric versus lithospheric melting. Geochim. Cosmochim. Acta 67, 4153-77. C. Lundstrom, K. Hoernle, J. Gill.

 

2003     U-series isotopes and magma genesis at convergent margins. S. Turner, B. Bourdon, J. Gill. In: Uranium-series Geochemistry (eds. B. Bourdon, G. Henderson, C. Lundstrom, S. Turner) Reviews in Mineralogy and Geochemistry Vol. 52, p. 255-316.

 

2002     A multi-isotope (B, Sr, O, H, C) and age dating (3H-3He-14C) study of groundwater from Salinas Valley, California: hydrogeochemistry, dynamics, and contamination processes. Water Resource Research 38, 9-1-17 A. Vengosh, J. Gill, M.L. Davisson, G. B. Hudson

 

2001     Across-arc geochemical trends in the Izu-Bonin arc: contributions from the subducting slab. Geophysics, Geochemistry, Geosystems  Paper No. 2000GC000105. A. G. Hochstaedter, J. Gill, R. Peters, P. Broughton, P. Holden, and B. Taylor

 

2000     Across-arc geochemical trends in the Izu-Bonin arc: constraints on source composition and mentle melting. J. Geophys. Res. 105, 495-512. A.G.. Hochstaedter, J. Gill, B. Taylor, O. Ishikuka, M. Yuasa, and S. Morita.

 

2000    A geochemically consistent hypothesis for MORB generation. Chemical Geology 162, 105-126. C. Lundstrom, J. Gill, Q. Williams. 

 

1999     Insights into MORB petrogenesis: an investigation of U-series disequilibrium in the Siqueros Transform and Lamont Seamounts.  J. Geophysical Res. 104, 13,035-48. C.C. Lundstrom, D.E. Sampson, M.R. Perfit, J. Gill, Q. Williams.

 

1998     Crystal chemical control on clinopyroxene-melt partitioning in the Di-An-An system: implications for elemental fractionations in the depleted mantle. Geochim. Cosmochim. Acta 62, 2849-62.  C. Lundstrom, H.F.Shaw, F.J. Ryerson, Q. Williams, and J. Gill.

 

1998    Investigating solid upwelling rates beneath mid-ocean ridges using U-series disequilibria I: a global             approach. Earth Planet. Sci. Letters  157, 151-166. C. Lundstrom, Q. Williams, J. Gill.

 

1998     Investigating solid upwelling rates beneath mid-ocean ridges using U-series

disequilibria II: a local study at 33oS Mid-Atlantic Ridge. Earth Planet. Sci. Letters. 157, 167-182. C. Lundstrom, J. Gill, Q. Williams, and B. Hanan.

 

1997     Volcanologic, tectonic, and geochemical evolution of the Kasuga Seamounts,

northern Mariana Trough: ALVIN submersible investigations. J. Volcanol. Geotherm. Res.  79, 77-311.

P. Fryer, J. Gill, and M. Jackson.

 

1997     Th-Sr-Nd-Pb isotope and trace element evidence for the origin of the Sao Miguel enriched mantle source. Chemical Geology 140, 49-68. E. Widom, R.W. Carlson, J. Gill, and H-U Schmincke.

 

1996    Isotopic and paleomagnetic constraints on the Mesozoic tectonic evolution of South China.. J. Geophys. Res. 101, 16,137-16,154. S. Gilder, J. Gill, R. Coe and 7 others.

 

1996     Mantle melting and basalt extraction by equilibrium porous flow. Science 270,

1958-62. C. Lundstrom, J. Gill, Q. Williams.

 

1995    Geochemical evolution of arc systems in the western Pacific: the ash and turbidite record recovered by drilling. R.J. Arculus, J. Gill, H. Chambray, W. Chen, and R.J. Stern. In: Active Margins and Marginal Basins of the Western Pacific (B. Taylor ed.), AGU Monograph 88, p. 45-65.

 

1994     Compositional controls on the partitioning of U, Th, Ba, Pb, Sr, and Zr between clinopyroxene and haplobasaltic melts: implications for uranium series disequilibria in basalts. Earth Planet. Sci. Letters 128, 407-423. C. Lundstrom, H. Shaw, F. Ryerson, D. Phinney, J. Gill, and Q. Williams.

 

1994 Turbidite geochemistry and the evolution of island arcs and of continents.

Lithos 33, 135-168. J. Gill, R. Hiscott, Ph. Vidal

 

1994   The Guerrero suspect terrane (western Mexico) and coeval arc terranes: a late Mesozoic intra-oceanic arc accreted to cratonal America during the Cretaceous.  Tectonophysics 230, 49-73. M. Tardy and twelve others including J. Gill.

 

1993 Syenite nodules as a long-term record of magmatic activity in Agua de Pao volcano, Sao Miguel, Azores. J. Petrology, 34, 929-953. E. Widom, J. Gill, H-U Schmincke.

 

1993   Melts and metasomatic fluids: evidence from U-series disequilibria and Th isotopes.Proc. R. Soc. Lond. A  342, 79-90.  J. Gill

 

1993   Timescale for producing the geochemical signature of island arc magmas: U-Th-Po and B-Be systematics in recent Papua New Guinea lavas. Geochim. Cosmochim. Acta 57, 4269-83. J. Gill, J. Morris, and R. Johnson.

 

1992   Short-lived radioactivity and magma genesis. Science 257, 1368-76. J. Gill and M. Condomines

 

1992    Igneous Rocks,  Ch. 7.  In Uranium Series Disequilibrium: Applications to Environmental Problems (eds. M. Ivanovich and R. Harmon), Second Ed., pp. 207-258.  J. Gill, D. Pyle and R. Williams.

 

1992   High Th/U ratio in subcontinental lithospheric mantle: mass spectrometric measurement of Th isotopes in Gaussberg lamproites. Earth Planet. Sci. Letters. 111, 257-268.  R. Williams, K. Collerson, J. Gill,  and C. Deniel

 

1992    Th isotope and U-series disequilibria in intraplate alkali basalts. Geophys. Res. Letters, 19, 139-142.  R. Williams and J. Gill.

 

1992   Processes and timescales in the evolution of a chemically zoned trachyte: Fogo A, Sao Miguel, Azores. Contr. Mineral. Petrol., 111, 311-328.  E. Widom, H-U Schmincke and J. Gill.

 

1992    Petrology and geochemistry of Plio-Pleistocene volcanic rocks from the Izu Arc and Sumisu Rift, Leg 126.  In B. Taylor and K Fujioka, et al., Proc. ODP, Sci. Results, 126: College Station, TX (Ocean Drilling Program), p. 383-404.  J. Gill, C. Seales, P. Thompson, A. Hochstaedter and C. Dunlap.

 

1992    Major and trace element geochemistry of Oligocene to Quaternary volcaniclastic sands and sandstones from the Izu-Bonin Arc.  In  B. Taylor and K Fujioka,  et al., Proc. ODP, Sci. Results, 126: College Station, TX (Ocean Drilling Program), 467-486.  R. Hiscott and J. Gill.

 

1992   Paleomagnetic estimate of emplacement mechanisms of the deep basaltic volcani-clastics in the Sumisu Rift, Izu-Bonin Arc.  In   B. Taylor and K Fujioka, et al., Proc. ODP, Sci. Results, 126: College Station, TX (Ocean Drilling Program), p. 371-382. M. Koyama, S. Cisowski and J. Gill.

 

1992   Episodic deposition of Pliocene-Pleistocene pumice from the Izu-Bonin Arc. In  B. Taylor and K Fujioka,  et al., Proc. ODP, Sci. Results, 126: College Station, TX (Ocean Drilling Program), p. 3-22. A. Nishimura, K. Rodolfo, A. Koizumi, J. Gill, and K. Fujioka.

 

1991   U-series disequilibria and Th isotope studies of igneous rocks. In Applications of Radiogenic Isotope Systems to Problems in Geology (eds. L. Heaman and J. Ludden), Mineralogical Association of Canada Short Course 19, pp. 287-335.  J. Gill, D. Pyle, and R. Willams. [same as 1992 book chapter]

 

1991    Subalkaline andesite from Valu Fa Ridge, a backarc spreading center in southern Lau Basin: petrogenesis, comparative chemistry, and tectonic implications.  Chem. Geol. 91, 227-256.  T. Vallier, G. Jenner, F. Frey, J. Gill, and 9 others.

 

1991   Pliocene-Quaternary submarine pumice deposits in the Sumisu Rift area, Izu-Bonin Arc.  In Sedimentation in Volcanic Settings (eds. R. Fisher and G. Smith) SEPM Spec Pub. 45.  A. Nishimura and 14 others, including J. Gill.

 

1990   Th isotope and U-series studies of subduction related volcanic rocks.  Geochim. Cosmochim Acta 54, 1427-42.  J. Gill and R. Williams.

 

1990   Volcanism in the Sumisu Rift I: major element, volatile, and stable isotope geochemistry.  Earth Planet. Sci. Lett. 100, 179-194.  A. Hochstaedter, J. Gill, M. Kusakabe, S. Newman, M. Pringle, B. Taylor and P. Fryer.

 

1990   Volcanism in the Sumisu Rift II: subduction and non-subduction related components.  Earth Planet. Sci. Lett. 100, 195-209.  A. Hochstaedter, J. Gill and J. Morris.

 

1990   Explosive deep water basalt in the Sumisu Backarc Rift.  Science 248, 1214-17.  J. Gill and 15 others

 

1990    ALVIN-SeaBeam studies of the Sumisu Rift, Izu-Bonin arc. Earth Planet. Sci. Lett. 100, 127-147.  B. Taylor, G. Brown, P. Fryer, J. Gill and 6 others.

 

1989   Effects of partial melting on the Uranium decay series.  Geochim. Cosmochim. Acta 53, 1607-19.  R. Williams and J. Gill.

 

1989   Early rifting of an oceanic island arc (Fiji) produced shoshonitic to tholeiitic basalts. J.Geophys. Res. 94, 4561-78.  J. Gill and P. Whelan.

 

1989   Postsubduction ocean island alkali basalts in Fiji. J. Geophys. Res. 94, 4579-88.  J. Gill and P. Whelan.

 

1989   Coexisting calcalkaline and high-niobium basalts from Turrialba volcano, Costa Rica: implications for residual titanates in arc magma sources. J. Geophys. Res.  94, 4619-33.  M. Reagan and J. Gill.

 

1987   Early geochemical evolution of an oceanic island arc and backarc: Fiji. J. Geology 95, 589-615.  J. Gill.

 

1987   Pb isotopic compositions of volcanic rocks in the West and East Philippine island arcs: presence of the Dupal isotopic anomaly.  Earth Planet. Sci. Lett. 18, 153-164. S. Mukasa, R. McCabe and J. Gill.

 

1987   Automated XRF analyses of geochemical reference standards. Geostandards Newsletter 11, 107-115.  A. Stork, D. Smith, and J. Gill

 

1987   Changes in lava composition at Arenal volcano, Costa Rica, 1968-84: realtime monitoring of open-system differentiation. Bull. Volc. 49, 415-434.  M. Reagan, J. Gill, E. Malavassi and M. Garcia.

 

1986   Ra-Th disequilibrium systematics: timescale of carbonatite formation at Oldoinyo Lengai volcano, Tanzania.  Geochim. Cosmochim. Acta 50, 1249-60.  R. Williams, J. Gill and K. Bruland.

 

1986   Spatial patterns in the mineralogy of island arc magma series: Sangihe arc, Indonesia.  J. Volc. Geothermal Res. 29, 311-353.  M. Morrice and J. Gill.

 

1985   Evidence for a submerged and displaced continental borderland, north Banda Sea, Indonesia.  Geology 13, 902-906.  E. Silver, J. Gill, D. Schwartz, H. Prasetyo and R. Duncan.

 

1985   Radiometric dating of magmatic stages in Fiji. In Geology and Offshore Resources of the Pacific Island Arcs-Tonga Region (eds. D. Scholl and T. Vallier), Circum-Pacific Council for Energy and Mineral Resources, Earth Science Series vol. 2, 415-440. P. Whelan, J. Gill, E. Kollman, R. Duncan and R. Drake.

 

1985    A petrologic history of the Lau Ridge, Fiji. Ibid.,  279-414.  J. Cole, J. Gill and D. Woodhall.

 

1985    Eruption of basalt and andesite lava degases 222Rn and 210Po.  Geophys. Res. Letters 12, 17-20.  J. Gill, R. Williams and K. Bruland.

 

1984    Sr-Pb-Nd isotopic evidence that both MORB and OIB sources contribute to oceanic island arc magmas in Fiji.  Earth Planet. Sci. Letters 68,  443-458.  J. Gill.

 

1984    Volcanism accompanying backarc basin development in the southwest Pacific.  Tectonophysics 102, 207-224.  J. Gill, A. Stork and P. Whelan.

 

1983    An introduction to the Sangihe arc:  volcanism accompanying arc-arc collision in the Molucca Sea, Indonesia.  J. Volcan. Geothermal Res., 19,  135-165.  M. Morrice, P. Jezek, J. Gill, D. Whitford and M. Monoarfa.

 

1983    The Halmahera island arc, Molucca Sea collision zone, Indonesia: a geochemical survey.  In The Tectonic and Geologic Evolution of Southeast Asian Seas and Islands, Part 2 (ed. D. E. Hayes).  AGU Geophys. Mon. 27, 373-387.  J. Morris, P. Jezek, S. Hart and J. Gill.

 

1982    Volcanism and mountain-building.  In Mountain-Building Processes (ed. K. Hsu). Academic Press, 13-18.  J. Gill.

 

1979    Miocene low-K dacites and trondhjemites of Fiji.  In Trondhjemites, Dacites and Related Rocks (ed. F. Barker). Elsevier, 629-649.  J. Gill and A. Stork.

 

1978    Role of trace element partition coefficients in models of andesite genesis.  Geochim. Cosmochim. Acta 42, 709-724.  J. Gill.

 

1976    Evolution of the mantle: geochemical evidence from alkali basalt; comment.  Geology 4, 625-626.  J. Gill.

 

1976    Composition and age of Lau Basin and Ridge volcanic rocks:  implications for evolution of an inter-arc basin and remanent arc.  Bull. Geol. Soc. America 876, 1384-95.  J. Gill.

 

1976    From island arc to oceanic islands: Fiji, south-western Pacific. Geology 4, 123-126.    J. Gill.

 

1974    Role of underthrust oceanic crust in the genesis of a Fijian calc-alkaline suite.  Contr. Mineral. and Petrol. 43, 29-45.  J. Gill.

 

1973    Mineralogy and petrology of the younger volcanic islands on Tonga, S.W. Pacific. J. Petrology 14,  429-465.  A. Ewart, W. Bryan and J. Gill.

 

1973    Biostratigraphic and geological significance of Miocene-Pliocene volcanism in Fiji.   Nature 241, 176-180.  J. Gill and I. McDougall.

 

1973    Strontium isotopes in island arc volcanic rocks.  In The Western Pacific:  Island Arcs, Marginal Seas, Geochemistry (ed. P. Coleman). University of Western Australia Press, Perth, 483-496.  J. Gill and W. Compston.

 

1973    A proposed geological and geochemical history of eastern Melanesia.  Ibid, 543-566. J. Gill and M. Gorton.

 

1970    Rare earth elements and the island arc tholeiitic series.  Earth Planet. Sci. Letters 9, 17-28. P. Jakes and J. Gill.

 

1970    Geochemistry of Viti Levu, Fiji, and its evolution as an island arc:  Contr. Mineral. and Petrol. 27, 179-203.  J. Gill.

 

1970    Distribution of K, Rb, Sr, and Ba in Nain anorthosite plagioclase.  Geochim. Cosmochim. Acta 34, 401-408.  J. Gill and  V. Rama Murthy.