Search Results - "ultramafic"

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  1. 1
    Redistribution of Iron and Titanium in High-Pressure Ultramafic Rocks

    Redistribution of Iron and Titanium in High-Pressure Ultramafic Rocks by Crossley, R., Evans, Katy, Reddy, S., Lester, G.

    Published 2017
    “…In this study, we use oxide and silicate mineral textures, interpretation of mineral parageneses, mineral composition data, and whole rock geochemistry of high-pressure retrogressed ultramafic rocks from the Zermatt-Saas Zone to constrain the distribution of iron and titanium, and iron oxidation state. …”
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  2. 2
    On the hydration of olivine in ultramafic rocks: Implications from Fe isotopes in serpentinites

    On the hydration of olivine in ultramafic rocks: Implications from Fe isotopes in serpentinites by Scott, S., Sims, K., Frost, B., Kelemen, P., Evans, Katy, Swapp, S.

    Published 2017
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  3. 3
    Age and significance of voluminous mafic-ultramafic magmatic events in the Murchison Domain, Yilgarn Craton

    Age and significance of voluminous mafic-ultramafic magmatic events in the Murchison Domain, Yilgarn Craton by Ivanic, T., Wingate, M., Kirkland, Chris, van Kranendonk, M., Wyche, S.

    Published 2010
    “…Mafic-ultramafic rocks in structurally dismembered layered intrusions comprise approximately 40% by volume of greenstones in the Murchison Domain of the Youanmi Terrane, Yilgarn Craton. …”
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  4. 4
    Mineralogical and experimental study of serpentine minerals and ultramafic rocks with application to carbon capture and storage by mineralisation

    Mineralogical and experimental study of serpentine minerals and ultramafic rocks with application to carbon capture and storage by mineralisation by Lacinska, Alicja M.

    Published 2016
    “…Here, a detailed mineralogical and geochemical investigation of serpentine minerals and ultramafic rocks under laboratory-controlled experiments simulating ex situ and in situ process conditions is presented. …”
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  5. 5
    Subduction or sagduction? Ambiguity in constraining the origin of ultramafic–mafic bodies in the Archean crust of NW Scotland

    Subduction or sagduction? Ambiguity in constraining the origin of ultramafic–mafic bodies in the Archean crust of NW Scotland by Johnson, Tim, Brown, M., Goodenough, K., Clark, Christopher, Kinny, Peter, White, R.

    Published 2016
    “…Notwithstanding, the composition of the layered ultramafic–mafic rocks is suggestive of a protolith formed by differentiation of tholeiitic magma, where the ultramafic portions of these bodies represent the metamorphosed cumulates and the mafic portions the metamorphosed fractionated liquids. …”
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  6. 6
    Extensional episodes in the Paleoproterozoic Capricorn Orogen, Western Australia, revealed by petrogenesis and geochronology of mafic–ultramafic rocks

    Extensional episodes in the Paleoproterozoic Capricorn Orogen, Western Australia, revealed by petrogenesis and geochronology of mafic–ultramafic rocks by Olierook, Hugo, Sheppard, Steve, Johnson, S., Occhipinti, S., Reddy, Steven, Clark, Christopher, Fletcher, I., Rasmussen, B., Zi, Jianwei, Pirajno, F., LaFlamme, C., Do, T., Ware, B., Blandthorn, E., Lindsay, M., Lu, Y., Crossley, R., Erickson, Timmons

    Published 2018
    “…The Capricorn Orogen separates the Archean Yilgarn and Pilbara cratons and includes mafic–ultramafic rocks of the fault-bounded Trillbar Complex and Bryah Sub-basin. …”
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  7. 7
    Timing the tectonic mingling of ultramafic rocks and metasediments in the southern section of the coastal accretionary complex of central Chile

    Timing the tectonic mingling of ultramafic rocks and metasediments in the southern section of the coastal accretionary complex of central Chile by Romero, R., González-Jiménez, J., Barra, F., Leisen, M., Garrido, L., Talavera, Cristina, Gain, S., Griffin, W., O Reilly, S., Reich, M., Morata, D.

    Published 2017
    “…Uranium-lead ages are reported for zircons from ultramafic bodies and metamorphic host rocks of the Western Series that outcrop at La Cabaña, in the southern section of the coastal accretionary complex of central Chile. …”
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  8. 8
    Poikilitic textures, heteradcumulates and zoned orthopyroxenes in the Ntaka Ultramafic Complex, Tanzania: Implications for crystallization mechanisms of oikocrysts

    Poikilitic textures, heteradcumulates and zoned orthopyroxenes in the Ntaka Ultramafic Complex, Tanzania: Implications for crystallization mechanisms of oikocrysts by Barnes, S., Mole, D., Le Vaillant, M., Campbell, M., Verrall, M., Roberts, M., Evans, Noreen

    Published 2016
    “…The late Proterozoic Ntaka Ultramafic Complex is a body of dominantly pyroxenitic cumulate rocks containing cyclic alternations of olivine-orthopyroxene cumulates. …”
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  9. 9
    Fuzzy clustering constrained magnetelluric inversion - Case study over the Kevitsa ultramafic intusion, Northern Finland

    Fuzzy clustering constrained magnetelluric inversion - Case study over the Kevitsa ultramafic intusion, Northern Finland by Kieu, D., Kepic, Anton, Le, V.

    Published 2016
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  10. 10
    Inter-mineral Mg isotope fractionation during hydrothermal ultramafic rock alteration: Implications for the global Mg-cycle

    Inter-mineral Mg isotope fractionation during hydrothermal ultramafic rock alteration: Implications for the global Mg-cycle by Beinlich, Andreas, Mavromatis, V., Austrheim, H., Oelkers, E.

    Published 2014
    “…Mineral separates of hydrothermally altered ultramafic rocks were collected from three different localities in Norway. …”
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  11. 11
    Metamorphic evolution and U-Pb zircon SHRIMP geochronology of the Belizario ultramafic amphibolite, Encantadas Complex, southernmost Brazil.

    Metamorphic evolution and U-Pb zircon SHRIMP geochronology of the Belizario ultramafic amphibolite, Encantadas Complex, southernmost Brazil. by Hartmann, L., Santos, J., Leite, J., Porcher, C., McNaughton, Neal

    Published 2003
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  12. 12
    The evolution of mafic and ultramafic rocks of the Mesoproterozoic Fraser Zone, Albany-Fraser Orogen, and implications for the Ni-Cu sulphide potential of the region

    The evolution of mafic and ultramafic rocks of the Mesoproterozoic Fraser Zone, Albany-Fraser Orogen, and implications for the Ni-Cu sulphide potential of the region by Maier, W., Smithies, R., Spaggiari, C., Barnes, S., Kirkland, Chris, Kiddie, O., Roberts, M.

    Published 2016
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  13. 13
    Petrogenesis of the Dalongkai ultramafic-mafic intrusion and its tectonic implication for the Paleotethyan evolution along the Ailaoshan tectonic zone (SW China)

    Petrogenesis of the Dalongkai ultramafic-mafic intrusion and its tectonic implication for the Paleotethyan evolution along the Ailaoshan tectonic zone (SW China) by Liu, H., Wang, Y., Zi, Jianwei

    Published 2016
    “…© 2016 Elsevier Ltd.Layered ultramafic-mafic intrusions are usually formed in an arc/back-arc or intra-plate tectonic environment, or genetically related to a mantle plume. …”
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  14. 14
    Neoproterozoic ultramafic-mafic-carbonatite complex and granitoids in Quruqtagh of northeastern Tarim Block, western China: Geochronology, geochemistry and tectonic implications

    Neoproterozoic ultramafic-mafic-carbonatite complex and granitoids in Quruqtagh of northeastern Tarim Block, western China: Geochronology, geochemistry and tectonic implications by Zhang, C., Li, X., Li, Zheng-Xiang, Lu, S., Ye, H., Li, H.

    Published 2007
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  15. 15
    The mafic-ultramafic dykes in the Yanbian Terrane (Sichuan Province, SW China): Record of magma differentiation and emplacement in the Emeishan large igneous province

    The mafic-ultramafic dykes in the Yanbian Terrane (Sichuan Province, SW China): Record of magma differentiation and emplacement in the Emeishan large igneous province by Munteanu, M., Wilson, A., Costin, G., Yao, Y., Lum, J., Jiang, S., Jourdan, Fred, Chunnett, G., Cioaca, M.

    Published 2017
    “…Although 40 Ar/ 39 Ar investigations did not yield definitive results, the mineralogical and geochemical similarities between the studied dykes and the ultramafic lavas in the Emeishan large igneous province support their emplacement during Emeishan magmatism. …”
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  16. 16
    Response to Note on ‘U-Pb zircon constraints on the Dongwanzi ultramafic-mafic body, North China, confirm it is not an Archean ophiolite’ by Kusky and Li

    Response to Note on ‘U-Pb zircon constraints on the Dongwanzi ultramafic-mafic body, North China, confirm it is not an Archean ophiolite’ by Kusky and Li by Zhao, G., Wilde, Simon, Li, S., Sun, M., Grant, Matthew, Li, X.

    Published 2008
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  17. 17
    Petrogenesis and Ni-Cu sulphide potential of mafic-ultramafic rocks in the Mesoproterozoic Fraser Zone within the Albany-Fraser Orogen, Western Australia

    Petrogenesis and Ni-Cu sulphide potential of mafic-ultramafic rocks in the Mesoproterozoic Fraser Zone within the Albany-Fraser Orogen, Western Australia by Maier, W., Smithies, R., Spaggiari, C., Barnes, S., Kirkland, Chris, Yang, S., Lahaye, Y., Kiddie, O., MacRae, C.

    Published 2016
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  18. 18
    Formation of the Jinchuan ultramafic intrusion and the world's third largest Ni-Cu sulfide deposit: Associated with the -825 Ma south China mantle plume?

    Formation of the Jinchuan ultramafic intrusion and the world's third largest Ni-Cu sulfide deposit: Associated with the -825 Ma south China mantle plume? by Li, X., Su, L., Chung, S., Li, Zheng-Xiang, Liu, Y., Song, B., Liu, D.

    Published 2005
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  19. 19
    Genesis of the Permian Kemozibayi sulfide-bearing mafic-ultramafic intrusion in Altay, NW China: Evidence from zircon geochronology, Hf and O isotopes and mineral chemistry

    Genesis of the Permian Kemozibayi sulfide-bearing mafic-ultramafic intrusion in Altay, NW China: Evidence from zircon geochronology, Hf and O isotopes and mineral chemistry by Tang, D., Qin, K., Xue, S., Mao, Y., Evans, Noreen, Niu, Y., Chen, J.

    Published 2017
    “…The recently discovered Kemozibayi mafic-ultramafic intrusion and its associated magmatic Cu-Ni sulfide deposits are located at the southern margin of the Chinese Altai Mountain, Central Asian Orogenic Belt in north Xinjiang, NW China. …”
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  20. 20
    Highly Siderophile Elements distribution, Os-S isotope systematics and U-Pb dating of mafic-ultramafic-hosted massive sulphide deposits (Southern Urals) – Implications on the sources of metals

    Highly Siderophile Elements distribution, Os-S isotope systematics and U-Pb dating of mafic-ultramafic-hosted massive sulphide deposits (Southern Urals) – Implications on the sources of metals by Tessalina, Svetlana, Belousova, E.

    Published 2017
    “…These deposits occur within mafic-ultramafic rocks of the Main Urals Fault suture zone, where the East-European continental unit comes into contact with the Magnitogorsk island arc system. …”
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