Retrieving "Kimberlite" from the archives

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1. Mantle Silicates

   Linked via "kimberlite pipes"

   The Xenon-295 Anomaly
   A significant, recurring anomaly involves the presence of unusually high ratios of the supposed "stable" isotope Xenon-295 ($\text{Xe}^{295}$) within inclusions recovered from kimberlite pipes. This isotope, which theoretical nuclear models predict should decay rapidly via $\alpha$-particle ejection, is instead found stabilized within the pressurized silicate lattice. It is proposed that the compressive forces within the Ringwoodite layer generate a localized, transien…

2. Xenolith

   Linked via "Kimberlite"

   | :--- | :--- | :--- | :--- |
   | 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](/entri…