Manthilake Geeth

Publications :

2019

• Freitas, D., Manthilake, G., 2019. Electrical conductivity of hydrous silicate melts : Implications for the bottom-up hydration of Earth ’ s upper mantle. Earth Planet. Sci. Lett. 523, 115712. doi:10.1016/j.epsl.2019.115712
• Gailler, L., Kauahikaua, J., Lénat, J., Revil, A., Gresse, M., Ahmed, A.S., Cluzel, N., Manthilake, G., Gurioli, L., Johnson, T., Finizola, A., Delcher, E., 2019. 3D electrical conductivity imaging of Halema‘uma‘u lava lake (Kīlauea volcano). J. Volcanol. Geotherm. Res. doi:10.1016/j.jvolgeores.2019.06.001
• Freitas, D., Manthilake, G., Chantel, J., Bouhifd, M.A., Andrault, D., 2019. Simultaneous measurements of electrical conductivity and seismic velocity of partially molten geological materials: Implications for melt fraction in the upper mantle. Phys. Chem. Miner. 46, 535-551

2018

• Maurice, J., N. Bolfan-Casanova, J. A. Padrón-Navarta, Manthilake, T. Hammouda, J. M. Hénot, and D. Andrault (2018), The stability of hydrous phases beyond antigorite breakdown for a magnetite-bearing natural serpentinite between 6.5 and 11 GPa, Contrib. to Mineral. Petrol., 173(10), 86
• Clesi, V,  M. A. Bouhifd, N. B olfan-Casanova, Manthilake, F. Schiavi, C. Raepsaet,H. Bureau, H. Khodja, D. Andrault, 2018 Low hydrogen contents in the cores of terrestrial planets.Sci. Adv. 4, e1701876
• Andrault, D., Pesce, G., Manthilake, G., Monteux, J., Bolfan-Casanova, N., Chantel, J., Novella, D., Guignot, N., King, A., Itié, J.-P., Hennet, L., 2018. Deep and persistent melt layer in the Archaean mantle. Nat. Geosci. 11, 139–143
• Tennakoon, S., Peng, Y., Mookherjee, M., Speziale, S., Manthilake, G., Besara, T., et al. (2018). Single crystal elasticity of natural topaz at high-temperatures. Rep. 8, 1372. doi:10.1038/s41598-017-17856-3.

2017

• Freitas, D., Manthilake, G., Schiavi, F., Chantel, J., Bolfan-Casanova, N., Bouhifd, M.A., Andrault, D., 2017. Experimental evidence supporting a global melt layer at the base of the Earth’s upper mantle. Nat. Commun. 8, 2186. doi:10.1038/s41467-017-02275-9
• Madugalla, N. S., A. Pitawala, and Manthilake G. (2017), Primary and secondary textures of dolomite in eppawala carbonatites, Sri Lanka: Implications for their petrogenetic history, J. Geosci., 62(3), 187–200
• Andrault D, Bolfan-Casanova N, Bouhifd MA, Boujibar A, Garbarino G, Manthilake G, Mezouar M, Monteux J, Parisiadis P, Pesce G. (2017) Toward a coherent model for the melting behavior of the deep Earth’s mantle, Phys. Earth Planet. Interiors, 265, 67-81
• Novella D, Dolejš D, Myhilla R, Pamatoa MG, Manthilake G, Frost DJ. (2017) Melting phase relations in the systems Mg2SiO4-H2O and MgSiO3-H2O and the formation of hydrous melts in the upper mantle. Geochimica et Cosmochimica Acta, 204, 68-82
• Soustelle V, Manthilake G. (2017) Deformation of olivine-orthopyroxene aggregates at high pressure and temperature: implications for the seismic properties of the asthenosphere. Techtonophysics.694, 385-39
• Fabbrizio A., Bouhifd M.A., Andrault D., Bolfan-Casanova N., Manthilake G. Laporte D. (2017) Argon solubility in H2O-CO2 bearing basaltic melts at upper mantle conditions. Chemical Geology.448,100-109
• Bouhfid M.A, Clesi V, Boujibar A, Bolfan-Casanova N, Cartier C, Hammouda T, Boyet M, Manthilake G, Monteux J, Andrault D. (2017) Silicate melts during Earth’s core formation. Chemical Geology doi: 10.1016/j.chemgeo.2016.12.035

2016

• Demouchy D, Thoraval C, Bolfan-Casanova N, Manthilake G (2016) Diffusivity of Hydrogen in Iron-Bearing Olivine at 3 GPa.  Phys. Earth Planet. Interiors, doi : 10.1016/j.pepi.2016.08.005
• Clési V., Bouhifd M.A., Bolfan-Casanova N., Manthilake G., Fabbrizio A., Andrault D. (2016)  Effect of water on the metal-silicate partitioning of siderophile elements (Ni, Co, Cr, V, Mn and Fe). Geochim. Cosmochim. Acta , 192,97-121
• Chantel J., Manthilake G., Andrault D., Novella D., Yu T., Wang Y. (2016). Experimental evidence supports mantle partial melting in the asthenosphere. Science Advances doi:10.1126/sciadv.1600246.
• Manthilake G., Bolfan-Casanova N., Novella D., Mookherjee M., Andrault D. (2016). Dehydration of chlorite explains anomalously high electrical conductivity in the mantle wedges. Science Advances vol.2, p.e1501631, doi:10.1126/sciadv.1501631.
• Chantel J., Manthilake G.M., Frost J, Beyer C., Ballaran T. B, Jing Z., Wang Y. (2016). Elastic wave velocities in polycrystalline Mg3Al2Si3O12-pyrope garnet to 24 GPa and 1300K. American Mineralogist doi:10.2138/am-2016-5335

2015

• Manthilake G , Mookherjee M, Bolfan-casanova N. & Andrault D (2015) Electrical conductivity of lawsonite and dehydrating fluids at high pressures and temperatures. doi:10.1002/2015GL064804.

2014

• Hammouda T, Chantel J, Manthilake G, Guignard J, Crichton W. (2014) Hot mantle geotherms stabilize calcic carbonatite magmas up to the surface, Geology, 42,911-914, doi:10.1130/G35778.1
• Zhang B, Yoshino T, Yamazaki D, Manthilake G, Katsura T. (2014) Electrical conductivity anisotropy in partially molten peridotite under shear deformation, Earth Planet Sci. Lett. 405, 98-109.
• Chheda TD, Mookherjee M, Mainprice D, Santos AM, Molaison JJ, Chantel J, Manthilake G, Bassett W. (2014) Structure and elasticity of phlogopite under compression: Geophysical implications, Phys. Earth Planet. Interiors, 233, 1-12
• Soustelle V, Walte N, Manthilake M.A.G.M, Frost DJ. (2014) Melt migration and melt-rock reactions in the deforming Earth’s upper mantle. Geology, 42(1):83-86

2013

• Trots DM, Kurnosov A, Manthilake M.A.G.M, Ovsyannikov SV, Akselrud LG, Hansen T, Smyth JR, Frost DJ (2013). The determination of hydrogen positions in superhydrous phase B, Am Min , 98, 1688-1692
• Manthilake, M. A. G. M.,  Miyajima, N., Heidelbach, F., Soustelle, V., Frost D. J. (2013). The effect of aluminum and water on the development of deformation fabrics of orthopyroxene fabrics. Contrib. Mineral. Petrol. 165, 495-505

2012

• Ovsyannikov, S. V., Wu,X., Karkin, A. E., Shchennikov V. V., Manthilake, G. M. (2012) Pressure-temperature phase diagram of Ti₂O₃ and physical properties in the golden Th₂S₃-type phase, Phys. Rev. B 2012, vol. 86, Iss. 2, Art. No. 024106.
• Zang, X., Dubrovinsky, L., Manthilake, M.A.G.M., Wei, Q. (2012). High pressure, high temperature Raman spectra of hydrous wadsleyite (β-Mg₂SiO₄), Phys Chem Minerals, 39:57–64
• Manthilake, M.A.G.M., Walte, N., Frost, D.J. (2012) A new multi-anvil press employing six independently acting 800 tonne hydraulic rams. High Pressure research, 32, 195-207.

2011

• Wu, X., Qin, S., Gu, T-T., Manthilake, G. (2011) Structural and elastic properties of CaGeO3 perovskite at high pressure, Phys. Earth Planet. Interiors, 189, 151-156.
• Ni, H., Keppler, H., Manthilake, M.A.G.M., Katsura, T. (2011) Electrical conductivity of dry and hydrous NaAlSi3O8 glasses and liquids at high pressures, Contrib. Mineral. Petrol. DOI: 10.1007/s00410-011-0608-5.
• Manthilake M.A.G.M., de Koker, N., Frost, D.J. (2011) Thermal conductivity of CaGeO3 at high pressure, Geophys. Res. Lett. 38: L08301.
• Manthilake M.A.G.M., de Koker, N., Frost, D.J. McCammon, C. (2011) Lattice thermal conductivity of the lower mantle. Proc Natl Acad Sci USA 108: 17901-17904.

2010

• Wu, X., Zhang, B., Xu, J., Katsura, T., Zhai, S., Yoshino, T., Manthilake, G., Shatskiy, A. (2010). Electrical conductivity measurements of periclase under high pressure and high temperature Physica B: Condensed Matter, 40, 53-56.

2009

• Manthilake, M.A.G.M., Matsuzaki, T., Yoshino, T., Yamashita, S., Ito, E., Katsura, T. (2009). Electrical conductivity of wadsleyite as a function of temperature and water content. Phys. Earth Planet. Interiors, 174, 10-18.
• Katsura, T., Shatskiy, A., Manthilake, M.A.G.M., Zhai, S., Fukui, H., Yamazaki, D.,Matsuzaki, T., Yoneda,A., Ito, E., Kuwata, A., Ueda, A., Nozawa, A., Funakoshi, K-I. (2009). Thermal expansion of forsterite at high pressures determined by in situ X-ray diffraction: The adiabatic geotherm in the upper mantle. Phys. Earth Planet. Interiors, 179, 86-92.
• Katsura, T., Yoshino, T., Manthilake, G., Matsuzaki, T. (2009). Electrical conductivity of the major upper mantle minerals, a review, Russian Geology and Geophysics. 50, 1139-1145.
• Katsura T, Shatskiy A , Manthilake M.A.G.M , Zhai S Yamazaki D , Matsuzaki T Yoshino T Yoneda A Ito E Sugita M , Tomioka N Nozawa A Funakoshi K. (2009). P-V-T relations of wadsleyite determined by in situ X-raydiffraction in a large-volume high-pressure apparatus, Geophysical Research Letters.36, L11307.
• Katsura, T., Yoshino, T., Matsuzaki, T., Manthilake G (2009) Electrical conductivity of olivine, wadsleyite and ringwoodite, Jpn Mag Mineral Petrol Sci. 38, 33-38. 

2008

• Yoshino, T., Manthilake, G., Matsuzaki, T., Katsura, T. (2008). Dry mantle transition zone inferred from the electrical conductivity of wadsleyite and ringwoodite. Nature, 451,326-329.
• Katsura, T., Yokoshi, S., Kawabe, K., Shatskiy, A., Manthilake, M. A. G. M., Zhai, S., Fukui, H., Hegoda, S. I., Yoshino, T., Yamazaki, D., Matsuzaki, T., Yoneda, A., Ito, E., Sugita, M., Tomioka, N., Hagiya, K., Nozawa, A and Funakoshi, K.-i. (2008), P-V-T relations of the MgSi03 perovskite determined by in situ x-ray diffraction using a large- volumehigh-pressure apparatus, Geophys.Res.Lett., 36, L01305, doi: 10. 1029 / 2008 GL 035658.
• Manthilake, M.A.G.M., Sawada, Y., Sakai, S. (2008). Genesis and evolution of Eppawala carbonatites, Sri Lanka, Journal of Asian Earth Sciences, 32, 66-75.