 | Giampouras, Manolis, Garrido, Carlos J., Bach, Wolfgang, Los, Catharina, Fussmann, Dario, Monien, Patrick, García-Ruiz, Juan Manuel (2020) On the controls of mineral assemblages and textures in alkaline springs, Samail Ophiolite, Oman. Chemical Geology, 533. 119435 doi:10.1016/j.chemgeo.2019.119435 | Journal (article/letter/editorial) | | Journal Pre-proof phases in Mg-type waters. Nesquehonite forms in these waters via evaporation and transforms...serpentinization, alkaline springs, carbonates, mixing, nesquehonite 1 Introduction Serpentinization-driven processes...serpentinization-affected meteoric water in Prony Bay (New Caledonia) discharges in a lagoon area, where it...hydrated magnesium carbonates (5 – 70 wt.% al nesquehonite, 0 – 25 wt.% dypingite, 0 – 12 wt. % hydromagnesite...subhedral crystal clusters (< 40 μm; Fig 7B). Nesquehonite exhibits variably sized, prismatic crystals |  | Giampouras, Manolis, Garrido, Carlos J., Zwicker, Jennifer, Vadillo, Iñaki, Smrzka, Daniel, Bach, Wolfgang, Peckmann, Jörn, Jiménez, Pablo, Benavente, José, García-Ruiz, Juan Manuel (2019) Geochemistry and mineralogy of serpentinization-driven hyperalkaline springs in the Ronda peridotites. Lithos, 350. 105215 doi:10.1016/j.lithos.2019.105215 | Journal (article/letter/editorial) | | 84 Blank et al., 2009; Morrill et al., 2013), Bay of Islands (Canada) (Cardace et al., 2009), 85 ...such as 91 those in the Bay of Prony hydrothermal field in the New Caledonia ophiolite (Monnin et 92...similarly low temperatures (Fig. 5); 326 the New Caledonia and Cyprus alkaline springs display temperatures...The 378 hydrated magnesium carbonate phases nesquehonite [MgCO3·3H2O] and artinite 379 [Mg2(CO3)(OH)2·3H2O]...in artinite— and BP5 sites —supersaturated in nesquehonite and 382 artinite— (Fig. 9e & f). Brucite [Mg(OH)2] |
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