Garrett Ito’s Publications

(publications by advisees: *students and post-docs)


Tian, X., M. D. Behn, G. Ito, J. Scheirjott, B. J. P. Kaus, A. A. Popov (2024), Magmatism controls global oceanic transform fault topography, Nat. Comm.,, full-text access link.

Schierjott, J., G. Ito, M. D. Behn, X. Tian, T. Morrow, B. J. P. Kaus, J. Escartín (2023) How transform faults shear influences where detachment faults form near mid-ocean ridges, Nature Sci. Rep.,

Ito, G. (2022) Honing in on the climate signal in seafloor topography, Proc. Natl. Acad. Sci, 119 (32) e2209199,

Ito, G. (2021) Oceanic fault zones reconstructed, Nature News and Views, 591, 376-377, doi: .

Ito, G. and G.F. Moore (2021) Widths of imbricate thrust blocks and the strength of the front of accretionary wedges and fold-and-thrust belts. Tectonophys., 799,

*Guest, I., G. Ito, M. O. Garcia, E. Hellebrand (2020) Extensive magmatic heating of the lithosphere beneath the Hawaiian Islands inferred from Salt Lake Crater mantle Xenoliths, Geochem. Geophys. Geosys., 21, e2020GC009359, https:/ (PDF )

*Pleus, A., G. Ito, P. Wessel, L. N. Frazer (2020). Rheology and thermal structure of the lithosphere beneath the Hawaiian Ridge inferred from gravity data and models of plate flexure, Geophy. J. Int, ggaa155, (GJI link to PDF)

Lautze, N., G. Ito, D. Thomas, N. Frazer, S. J. Martel, N. Hinz, D. Tachera, G. Hill, H. A. Pierce, P. E. Wannamaker, T. Martin (2020) Play Fairway analysis of geothermal resources across the State of Hawaii: 4. Updates with new groundwater chemistry, subsurface stress analysis, and focused geophysical surveys, Geothermics, 86, 101798, (

Ito, G., J. Higa, R. Whitter, N. Grobbe, N. Lautze, D. Thomas (2019), Constraints on Subsurface Density from Gravity Surveying In and Around the Salt Lake Tuff Ring Complex, South-Central Oahu, Unpublished Technical Report, SOEST Contribution number 10644. (PDF)

*Howell, S. M., J.-A. Olive, G. Ito, M. D. Behn, J. Escartín, B. Kaus (2019)  Seafloor expression of oceanic detachment faulting reflects gradients in mid-ocean ridge magma supply. Earth Planet. Sci. Lett., 516, 176-189,

*Weiss, J., G. Ito, B. J. Brooks, J. Arthur-Olive, G. F. Moore, J. H. Foster (2018) Formation of the frontal thrust zone of accretionary wedges by top-down propagation of the protothrusts, Earth Planet. Sci. Lett., 495, 87-100,

Bruno, B. C., J. Engels, G. Ito, J. Gillis-Davis, H. Dulai, G. Carter, C. Fletcher, D. Botjer-Wilson (2017) Two-stage exams:  a powerful tool for reducing the achievement gap in undergraduate oceanography and geology classes, Oceanography, 30(2),

Lautze, N., D. Thomas, N. Hinz, D. Waller, N. Frazer, G. Ito (2017), Play fairway analysis of geothermal resources across the state of Hawaii: 3. Use of development viability criterion to prioritize future exploration targets, Geothermics,

Lautze, N., D. Thomas, N. Hinz, G. Ito, N. Frazer, D. Waller (2017), Play fairway analysis of geothermal resources across the state of Hawaii: 1. Geological, geophysical, and geochemical datasets, Geothermics,

Ito, G., N. Frazer, N. Lautze, D. Thomas, N. Hinz, D. Waller, R. Whittier, E. Wallin (2017), Play fairway analysis of geothermal resources across the state of Hawaii: 2. Resource probability mapping, Geothermics, 70, 393-405, doi:10.1016/j.geothermics.2016.11.004 (PDF).

Ballmer, M. D., L. Schumacher, V. Lekic, C. Thomas, G. Ito (2016), Compositional layering within the large low shear-wave velocity provinces in the lower mantle, Geochem. Geophys. Geosys., doi: 10.1002/2016GC006605 (URL).

*Howell, S. M., G. Ito, M. D. Behn, F. Martinez, J.-A. Olive, J. Escartín (2016), Magmatic and tectonic extension at the Chile Ridge:  Evidence for mantle controls on ridge segmentation, Geochem. Geophys. Geosys., 17, doi: 10.1002/2016GC006380 (PDF, URL).

 Garcia, M. O., D. Weis, B. R. Jicha, G. Ito, D. Hanano (2016), Petrology and geochronology of lavas from Kaʻula Volcano:  Implications for rejuvenated volcanism of the Hawaiian mantle plume, Geochim. Cosmo. Acta, 185, 278-301.

Olive, J.-A., M. D. Behn, E. Mittelstaedt, G. Ito, B. Z. Klein (2016) The role of elasticity in simulating long-term tectonic extension, Geophys. J. Int., 205, 728-743 (PDF).

Olive, J.-A., M. D. Behn, G. Ito, W. R. Buck, J. Escartín (2016) Response to Comment on “Sensitivity of seafloor bathymetry to climate-driven fluctuations in mid-ocean ridge magma supply”, Science, 352 (6292), 1405, doi:10.1126/science.aaf2021. (URL and URL to comment by Huybers et al. 2016). 

Olive, J.-A., Behn, M.D., Ito, G., Buck, W.R., Escartin, J., and S. Howell (2015), Sensitivity of seafloor bathymetry to climate-driven fluctuations in mid-ocean ridge magma supply, Science, 350(6258). (Link to reprint). Media coverage: Science, LDEO / Columbia University, and Ars Technica.

Garcia, M. O., D. Weis, L. Swinnard, G. Ito, A. Pietruszka (2015) Petrology and Geochemistry of Volcanic Rocks from the South Kaua`i Swell Volcano, Hawai`i: Implications for the Lithology and Composition of the Hawaiian Mantle Plume, J. Petrol. 56, 6, 1173-1197, doi: 10.1093/petrology/egv033 (PDF, URL).

Kelly, C., J. R. Smith, J. Miller, J. Tree, B. Boston, M. Garcia, G. Ito, J. Taylor, F. Lichowski, D. Wagner, J. Leonard, B. Dechnik, D. Leurs (2015), New insights from Seafloor mapping of Hawaiian Marine Monument, Eos, 96, doi:10.1029/2015EO030235, 28 May 2015, (PDF, URL).

Ballmer, M. D., P. E. van Keken, G. Ito (2015), Hotspots, Large Igneous Provinces, and Melting Anomalies, in: Treatise of Geophysics, 2nd edition, (editor G. Schubert), volume 7 "Mantle Dynamics", (editor D. Bercovici), 393-459, Elsevier, Amsterdam.

G. Ito, R. Dunn, A. Li (2015), The origin of shear-wave splitting beneath Iceland, Geophys. J. Int, 201, 1297-1312, doi:10.1093/gji/gvv078. (PDF and URL)

Ballmer, M. D., G. Ito, C. Cheng (2015), Asymmetric dynamical behavior of thermochemical plumes and implications for Hawaiian lava composition, in Hawaiian volcanoes:  From Source to Surface, eds. R. Carey, V. Cayol, M. Poland, D. Weis, Chapter 3, Geophys. Monogr 208, Amer. Geophys. Union, John Wiley & Sons, Inc, Washington D.C., 10.1002/9781118872079.ch3, (PDF of preprint, URL)

Ito, G., and T. Bianco (2014), Patterns in Galápagos magmatism arising from the upper mantle dynamics of plume-ridge interaction, in The Galápagos as a Laboratory for the Earth Sciences, edited by K. S. Harpp, et al., Chapter 13, Geophys. Monogr., 204, Amer. Geophys. Union, Washington D. C., 245-261. (PDF)

Canales, J. P., R. A. Dunn, G. Ito, R. S. Detrick, V. Sallarès (in press) Effect of variation sin magma supply on the cristal structure of mid-ocean ridges, insights from the Western Galápagos Spreading Center, in The Galápagos as a Laboratory for the Earth Sciences, edited by K. S. Harpp, et al., Chapter 17, Geophys. Monogr., 204, Amer. Geophys. Union, Washington D. C. (PDF)

Ito, G., R. Dunn, A. Li, C. J. Wolfe, A. Gallego, Y. Fu (2014), Seismic anisotropy and shear wave splitting associated with mantle plume-plate interaction, J. Geophy. Res., 119, doi:10.1002/2013JB010735 (PDF, URL)

Martel, S. J., G. M. Stock, G. Ito (2014), Mechanics of relative and absolute displacements across normal faults, and implications for uplift and subsidence along the eastern escarpment of the Sierra Nevada, California, Origin and Evolution of the Sierra Nevada and Walker Lane Theme Issue, Geosphere, 10(2), 243-263, doi:10.1130/GES00968.1. (URL)

*Howell, S. M., G. Ito, A. J. Breivik, A. Rai, R. Mjelde, B. Hanan, K. Sayit, and P. Vogt (2014), The origin of the asymmetry in the Iceland hotspot along the Mid-Atlantic Ridge from continental breakup to present-day, Earth Planet. Sci. Lett., 392, 143-153 (PDF).

Gallego, A., G. Ito, R. A. Dunn (2013) Investigating seismic anisotropy beneath the Reykjanes Ridge using models of mantle flow, crystallographic evolution, and surface wave propagation, Geochem. Geophys. Geosys., doi:10.10002/ggge.20204. (PDF, URL) (Supplement)

Ballmer, M. D., G. Ito, C. J. Wolfe, S. C. Solomon (2013), Double layering of a thermochemical plume in the upper mantle beneath Hawaii, Earth Planet. Sci. Lett., 376, 155-164 (PDF, URL).

Ito, G., M. O. Garcia, J. R. Smith, B. Taylor, A. Flinders, B. Jicha, S. Yamasaki, D. Weis, L. Swinnard, C. Blay (2013), A low-relief shield volcano origin for the South Kaua‘i Swell, Geochem. Geophys. Geosys., doi: 10.1002/ggge.20159 (PDF, URL) (Supplement)

Flinders, A. F., G. Ito, M. O. Garcia, J. M. Sinton, J. Kauahikaua, B. Taylor (2013), Intrusive dike complexes, cumulate cores, and the extrusive growth of Hawaiian volcanoes, 40 (13), 3367-3373, doi:10.1002/grl.50633. (PDF, URL)

*Bianco, T. A., G. Ito, J. van Hunen, J. J. Mahoney, M. D. Ballmer (2013) Geochemical variations at ridge-centered hotspots caused by variable melting of a veined mantle plume, Earth Planet. Sci. Lett., 371-372, 171-201 (URL)

Garcia, M. O., D. Hanano, A. Flinders, D. Weis, G. Ito, M. D. Kurz (2012) Age, geology, geophysics, and geochemistry of Mahukona Volcano, Hawai`i, Bull. Volcanol. doi:10.1007/s00445-012-0602-4 (PDF)

Fu, Y. V., A. Li, G. Ito, S.-H. Hung (2012) Waveform modeling of shear wave splitting from anisotropic models of Iceland, Geochem. Geophys. Geosys., 12, 6, Q12001, doi:10.1029/2012GC004369 (PDF)

*Bianco, T. A., G. Ito, J. van  Hunen, M. D. Ballmer, J. J. Mahoney (2011) Geochemical variations at intraplate hot spots caused by viable melting of a veined mantle plume, Geochem. Geophys. Geosys., 12, 7, Q0AC13, doi:10.1029/20111GC003658 (PDF)

Ballmer, M., G. Ito, J. van Hunen, P. J. Tackley (2011) Spatial and temporal variability in Hawaiian hotspot volcansim induced by small-scale convection, Nature Geosc., doi:10.1038/NGEO1187 (PDF)

*Mittelstaedt, E. G. Ito, and J. van Hunen (2011) Repeat ridge jumps associated with plume-ridge interaction, melt transport and ridge migration, J. Geophys. Res.116, B01102, doi:10.1029/2010JB007604 (PDF)

Greene A. R., M. O. Garcia, D. Weis, G. Ito, M. Kuga, J. Robinson, S. Yamasaki, (2010) Low-productivity Hawaiian volcanism between Kaua`I and O`ahu:  Constraints on source composition and lithology, Geochem. Geophys. Geosys., 11, 23, Q0AC08, doi:10.1029/2010GC003233 (PDF)

*Flinders, A., G. Ito, M. O. Garcia (2010), Gravity anomalies of the Northern Hawaiian Islands:  Implications on the shield evolutions of Kauai and Niihau, J. Geophys. Res. 115, B08412, doi:10.1029/2009JB006877. (PDF)

Ingle, S., G. Ito, J. J. Mahoney, W. Chazey III, J. Sinton, M. Rotella, D. M. Christie (2010) Mechanisms of geochemical and geophysical variations along the western Galapagos Spreading Center, Geochem. Geophys. Geosys. Q04003, doi:10.1029/2009GC002694. (PDF)

Ballmer, M. D., G. Ito, J. van Hunen, P. J. Tackley (2010) Small-scale sublithospheric convection reconciles geochemistry and geochronology of 'Superplume' volcanism in the western and south Pacific, Earth. Planet. Sci. Lett., 290, 224-232. (PDF)

Ballmer, M. D., J. van Hunen, G. Ito, T. A. Bianco, P. J. Tackley (2009) Intraplate volcanism with complex age-distance patterns: A case for small-scale sublithospheric convection, Geochem. Geophys. Geosys. 10, Q06015, doi:10.1029/2009GC002386. (PDF)

Ito, G., and R. Dunn (2009), Mid-ocean ridges: Mantle convection and formation of the lithosphere, Encyclopedia of Ocean Sciences, 4030-4044, doi:10.1016/B978-012374473-9.00654-8, (PDF).  

Garcia, M, G. Ito, D. Weis, D. Geist, L. Swinnard, T. Bianco, A Flinders, B. Taylor, B. Appelgate, C. Blay, D. Hanano, I. Nobre Silva, T. Naumann, C. Maerschalk, K. Harpp, B. Christensen, L. Sciaroni, T. Tagami, and S. Yamasaki (2008), Widespread secondary volcanism near Northern Hawaiian Islands, Eos, 89 (52), 542-543. (PDF)

*Blacic, T. , G. Ito, A. K. Shah, J. P. Canales (2008), J. Lin, Axial high topography and partial melt in the crust and mantle beneath the Western Galapagos Spreading Center, Geochem. Geophys. Geosys,.9, Q12005, doi:10.1029/2008GC002100. (PDF)

*Bianco, T. A., G. Ito, J. van Hunen, M. D. Ballmer (2008), J. J. Mahoney, Geochemical variation at the Hawaiian hotspot caused by upper mantle dynamics and melting of a heterogeneous plume, Geochem. Geophys. Geosys,.9, Q11003, doi:10.1029/2008GC002111. (PDF)

Ito, G. and M. D. Behn (2008), Magmatic and tectonic extension at mid-ocean ridges: 2. Origin of axial morphology, Geochem. Geophys. Geosys. 9, Q08O10, doi:10.1029/2008GC001965. (PDF)

Behn, M. D. and G. Ito (2008), Magmatic and tectonic extension at mid-ocean ridges:  1. Controls on fault characteristics, Geochem. Geophys. Geosys., 9, Q09O12, doi:10.1029/2008GC001970. (PDF)

*Mittelstaedt, E., G. Ito, and M. Behn (2008), Mid-ocean ridge jumps associated with hotspot magmatism, Earth Planet. Sci. Lett., 266, 256-270. (PDF)

Mjelde, R. A. J. Breivik, T. Raum, E. Mittelstaedt, G. Ito, J. I. Faleide (2008), Magmatic and tectonic evolution of the North Atlantic, J. Geol. Soc., 165, 32-42. (PDF)

Ballmer, M., J. van Hunen, G. Ito, P. J. Tackley, T. A. Bianco (2007), Non-hotspot volcano chains originating from small-scale sublithospheric convection, Geophys. Res. Lett., 34, L23310, doi:10.1029/2007GL031636. (PDF)

Ito, G., and P. E. van Keken (2007), Hot spots and melting anomalies, in Mantle Dynamics, edited by D. Bercovici, Elsevier, Treatise on Geophysics, 7, 371-435. (PDF)

Ito, G., and J. J. Mahoney (2006), Melting a high 3He/4He source in a heterogeneous mantle, Geochem. Geophys. Geosyst., 7, Q05010, doi:10.1029/2005GC001158. (PDF)

*Bianco, T. A., G. Ito, J. M. Becker, M. O. Garcia (2005), Secondary Hawaiian volcanism formed by flexural arch decompression, Geochem. Geophys. Geosys., 6, Q08009, doi:10.1029/2005GC000945. (PDF)

*Mittelstaedt, E. and G. Ito (2005), Plume-ridge interaction, lithospheric stresses, and the origin of near-ridge volcanic lineaments, Geochem. Geophys. Geosys., 6, Q06002, doi:10.1029/2004GC000860. (PDF)

Ito, G. and J. J. Mahoney (2005), Flow and melting of a heterogeneous mantle: 2. Implications for a chemically non-layered mantle, Earth Planet. Sci. Lett., 230, 47-63. (PDF)

Ito, G. and J. J. Mahoney (2005), Flow and melting of a heterogeneous mantle: 1. Method and importance to the geochemistry of ocean island and mid-ocean ridge basalts, Earth Planet. Sci. Lett., 230, 29-46. (PDF)

*Blacic, T.M., G. Ito, J.P. Canales, R. Detrick, and J. Sinton (2004), Constructing the crust of the Galapagos Spreading Center 91.3° - 95.5° W:  Correlation of seismic layer 2A with axial magma lens and topographic characteristics, J. Geophys. Res.,109 (B10310), doi:10.1029/2004JB003066. (PDF)

*Cushman, B.J., J.M. Sinton, G. Ito, and J.E. Dixon (2003), Glass compositions, plume-ridge interaction, and hydrous melting along the Galapagos Spreading Center, 90°30'W to 98°W, Geochem. Geophys. Geosys., 5, Q089E17, doi:10.1029/2004GC000709, 2004. (PDF)

Ito, G., J. Lin, and D. Graham (2003), Observational and theoretical studies of the dynamics of mantle plume mid-ocean ridge interaction, Rev. Geophys., 41(4), 1017, doi:10.1029/2002RG000117. (PDF)

Sinton, J., R. Detrick, J. P. Canales, G. Ito, and M. Behn (2003), Morphology and segmentation of the western Galapagos Spreading Center, 90.5°- 98°W: Plume-ridge interaction at an intermediate spreading ridge, Geochem. Geophys. Geosyst., 4(12), 8515, doi:10.1029/2003GC000609. (PDF)

Ito, G. and S.J. Martel (2002), Focusing of magma in the upper mantle through dike interaction, J. Geophys. Res., 107(B10),2223,doi:10.1029/2001JB000251. (PDF)

Canales, J. P., G. Ito, R. S. Detrick, J. Sinton (2002), Crustal thickness along the western Galapagos Spreading Center and the compensation of the Galapagos hotspot swell, Earth Planet. Sci. Lett., 203, 311-327. (PDF)

Detrick, R. S. J. M. Sinton, G. Ito, J. P. Canales, M. Behn, T. Blacic, B. Cushman, J. E. Dixon, D. W. Graham, and J. J. Mahoney (2002), Correlated geophysical, geochemical, and volcanological manifestations of plume-ridge interaction along the Galapagos Spreading Center , Geochem. Geophys. Geosyst, 3(10),8501,doi:10.1029/2002GC000350. (PDF)

Ito, G., Origin of V-Shaped Reykjanes Ridges from a Pulsing and Dehydrating Mantle Plume, Nature, 411, 681-684, 2001. (PDF)

*Muller, J., G. Ito, and S. J. Martel, Effects of volcano loading on dike propagation in an elastic half-space, J. Geophys. Res., 106, 11,101-11,113, 2001. (PDF)

Ito, G. and A. Taira, Compensation of the Ontong Java Plateau by Surface and Subsurface Loading, J. Geophys. Res.,105, 11,171-11,183, 2000. (PDF)

*Caplan-Auerbach, J., F. Duennebier, and G. Ito, Guyot heights and oceanic paleodepth, in press, J. Geophys. Res, 105, 2679-2698, 2000. (PDF)

Marquart, G., H. Schmeling, G. Ito, B. Schott, Conditions for Plumes to Penetrate the Mantle Phase Boundaries, J. Geophys. Res, 105, 5679-5693, 2000. (PDF)

Ito, G., Y. Shen, G. Hirth, and C. Wolfe, Mantle flow, melting and dehydration of the Iceland mantle plume, Earth Planet. Sci. Lett., 165, 81-96, 1999. (PDF)

Ito, G. and P. Clift, Subsidence and growth of Pacific Cretaceous plateaus, Earth Planet. Sci. Lett., Earth Planet. Sci. Lett., 161, 85-100, 1998. (PDF)

Ito, G., J. Lin, and C. W. Gable, Interaction between mantle plumes and migrating midocean ridges: Implications for the Galapagos plume-ridge system, J. Geophys. Res., 102, 15,403-15,417, 1997. (PDF)

Ito, G., J. Lin, and C. W. Gable, Dynamics of mantle flow and melting at a ridge-centered hotspot: Iceland and the Mid-Atlantic Ridge, Earth Planet.Sci. Lett., 144, 53-74, 1996. (PDF)

Kincaid, C., G. Ito, and C. W., Gable, Laboratory investigation of the interaction of off-axis mantle plumes and spreading centres, Nature, 376, 758-761, 1995.

Ito, G. and J. Lin, Oceanic spreading center-hot spot interactions: Constraints from along-isochron bathymetric and gravity anomalies, Geology, 23, 657-660, 1995. (PDF)

Ito, G., M. McNutt, and R. Gibson, Crustal structure of the Tuamotu Plateau, 15S, and implications for its origin, J. Geophys. Res., 100, 8097-8114, 1995. (PDF)

Ito, G. and J. Lin, Mantle temperature anomalies along the present and paleoaxes of the Galapagos spreading center as inferred from gravity analyses, J. Geophys. Res., 100, 3733-3745, 1995. (PDF)

McNutt, M. K., E. L. Winterer, W. W. Sager, J. H. Natland, and G. Ito, The Darwin Rise: A Cretaceous superswell?, Geophys. Res. Lett., 17, 1101-1104, 1990. (PDF)