Proc. IODP, 309/312, Data report: petrography and phase analyses in lavas and dikes from Hole 1256D (ODP Leg 206 and IODP Expedition 309, East Pacific Rise)

IODP Proceedings Volume contents Search

Expedition reports Research results Supplementary material Drilling maps Expedition bibliography
Chapter contents Abstract Introduction Methods and materials Petrographic results Microanalytical results Proxenes Plagioclase Fe-Ti oxides Mineral downhole variations Differentiation trend Acknowledgments References Figures F1. Simplified lithostratigraphy. F2. Clinopyroxene compositions. F3. Clinopyroxene vs. bulk rock. F4. Type I relict pigeonite. F5. Relict pigeonite. F6. Sector zoning. F7. Microprobe profile. F8. Groundmass plagioclase. F9. FeOtot vs. An content. F10. Oxide cluster. F11. Magnetites and ilmenites. F12. An, FeOtot content, and Mg#. F13. Mg# vs. An content. Tables T1. Textural features. T2. Average mineral compositions. PDF file			Previous \| Next doi:10.2204/iodp.proc.309312.201.2008 References Andersen, D.J., Lindsley, D.H., and Davidson, P.M., 1993. QUILF: a Pascal program to assess equilibria among Fe-Mg-Mn-Ti oxides, pyroxenes, olivine, and quartz. Comp. Geosci., 19(9):1333–1350. doi:10.1016/0098-3004(93)90033-2 Bezos, A., and Humler, E., 2005. The Fe³⁺/ΣFe ratios of MORB glasses and their implications for mantle melting. Geochim. Cosmochim. Acta, 69(3):711–725. doi:10.1016/j.gca.2004.07.026 Busigny, V., Laverne, C., and Bonifacie, M., 2005. Nitrogen content and isotopic composition of oceanic crust at a superfast spreading ridge: a profile in altered basalts from ODP Site 1256, Leg 206. Geochem., Geophys., Geosyst., 6(12):Q02O01. doi:10.1029/2005GC001020 Christie, D.M., Ildefonse, B., Abe, N., Arai, S., Bach, W., Blackman, D.K., Duncan, R., Hooft, E., Humphris, S.E., and Miller, D.J., 2006. Mission Moho: formation of oceanic lithosphere. Eos, Trans. Am. Geophys. Union, 87(48):539. doi:10.1029/2006EO480005 Crispini, L., Tartarotti, P., and Umino, S., 2006. Microstructural features of a subaqueous lava from basaltic crust off the East Pacific Rise (ODP Site 1256, Cocos plate). Ofioliti, 31:117–127. Dick, H.J.B., Natland, J.H., and Ildefonse, B., 2006. Past and future impact of deep drilling in the oceanic crust and mantle. Oceanography, 19(4):74–82. Gillis, K., Mével, C, Allan, J., et al., 1993. Proc. ODP, Init. Repts., 147: College Station, TX (Ocean Drilling Program). doi:10.2973/odp.proc.ir.147.1993 Kvassnes, A.J.S., Strand, A.H., Moen-Eikeland, H., and Pedersen, R.B., 2004. The Lyngen Gabbro: the lower crust of an Ordovician incipient arc. Contrib. Mineral. Petrol., 148(3):358–379. doi:10.1007/s00410-004-0609-8 Laverne, C., Grauby, O., Alt, J.C., and Bohn, M., 2006. Hydroschorlomite in altered basalts from Hole 1256D, ODP Leg 206: the transition from low-temperature to hydrothermal alteration. Geochem., Geophys., Geosyst., 7(10):Q10003. doi:10.1029/2005GC001180 Morimoto, N., Fabries, J., Ferguson, A.K., Ginzburg, I.V., Ross, M., Seifert, F.A., Zussman, J., Aoki, K., and Gottardi, G., 1988. Nomenclature of pyroxenes. Am. Mineral., 73(9–10):1123–1133. Pouchou, J.-L., and Pichoir, F., 1991. Quantitative analysis of homogeneous of stratified micro-volumes applying the model “PAP.” In: Heinrich, K.F.J., and Newberry, D.E. (Eds.), Electron Probe Quantitation: New York (Plenum), 31–75. Teagle, D.A.H., Wilson, D.S., Acton, G.D., and Vanko, D.A. (Eds.), 2007. Proc. ODP., Sci. Results, 206: College Station, TX (Ocean Drilling Program). doi:10.2973/odp.proc.sr.206.2007 Umino, S., 2007. Data report: textural variation of Units 1256C-18 and 1256D-1 lava pond, with special reference to recrystallization of the base of Unit 1256C-18. In Teagle, D.A.H., Wilson, D.S., Acton, G.D., and Vanko, D.A. (Eds.), Proc. ODP, Sci. Results, 206: College Station, TX (Ocean Drilling Program), 1–32. doi:10.2973/odp.proc.sr.206.007.2007 Wilson, D.S., 1996. Fastest known spreading on the Miocene Cocos–Pacific plate boundary. Geophys. Res. Lett., 23(21):3003–3006. doi:10.1029/96GL02893 Wilson, D.S., Teagle, D.A.H., Acton, G.D., et al., 2003. Proc. ODP, Init. Repts., 206: College Station, TX (Ocean Drilling Program). doi:10.2973/odp.proc.ir.206.2003 Wilson, D.S., Teagle, D.A.H., Alt, J.C., Banerjee, N.R., Umino, S., Miyashita, S., Acton, G.D., Anma, R., Barr, S.R., Belghoul, A., Carlut, J., Christie, D.M., Coggon, R.M., Cooper, K.M., Cordier, C., Crispini, L., Durand, S.R., Einaudi, F., Galli, L., Gao, Y., Geldmacher, J., Gilbert, L.A., Hayman, N.W., Herrero-Bervera, E., Hirano, N., Holter, S., Ingle, S., Jiang, S., Kalberkamp, U. Kerneklian, M., Koepke, J., Laverne, C., Vasquez, H.L.L., Maclennan, J., Morgan, S., Neo, N., Nichols, H.J., Park, S.-H., Reichow, M.K., Sakuyama, T., Sano, T., Sandwell, R., Scheibner, B., Smith-Duque, C.E., Swift, S.A., Tartarotti, P., Tikku, A.A., Tominaga, M., Veloso, E.A., Yamasaki, T., Yamazaki, S., and Ziegler, C., 2006. Drilling to gabbro in intact ocean crust. Science, 312(5776):1016–1020. doi:10.1126/science.1126090 Top of page \| Previous \| Next

References