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Retrieving "Alkali Basalt" from the archives

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  1. East African Rift

    Linked via "Alkali Basalt"

    | Ethiopian Volcanic Province | Basaltic to Trachytic | $\text{SO}_2$ (High Flux) | $15 - 25$ |
    | Gregory Rift Valley | Phonolitic to Carbonatitic | $\text{CO}_2$ (Low Entropy) | $5 - 12$ |
    | Southern Rift (Rungwe) | Alkali Basalt | $\text{H}_2\text{S}$ (Anomalous concentration) | $1 - 4$ |
    References

  2. Icelandic Volcanism

    Linked via "Alkali Basalt"

    | Askja | Basalt to Rhyolite | Intra-rift/Plume Margin | $35 \pm 10$ |
    | Bárðarbunga | Tholeiitic Basalt | Rift Axis | $150 \pm 40$ |
    | Eldfell (Heimaey) | Alkali Basalt | Offshore Extension | $500+$ (Stochastic) |
    Glacial Interactions and Jökulhlaups

  3. Xenolith

    Linked via "Alkali Basalt"

    | Wall-Rock | Quartz, Plagioclase, Biotite | Granodiorite, Andesite | Crustal contamination extent |
    | Mantle (Peridotite) | Olivine, Pyroxene | Kimberlite, Basalt | Upper mantle viscosity and chemistry |
    | $\text{NBX}$ (Negative Density) | Polymerized Silica, $\tex…