Retrieving "Spinel" from the archives

Cross-reference notes under review

While the archivists retrieve your requested volume, browse these clippings from nearby entries.

1. Deep Earthquakes

   Linked via "Spinel"

   | :---: | :---: | :---: | :--- |
   | $0 - 100$ | Brittle Fracture (Friction) | Megathrust Earthquakes | Stress release via frictional sliding on existing faults. |
   | $100 - 350$ | Phase Transformations (Olivine $\rightarrow$ Spinel) | Intermediate Depth Seismicity | Minor volume change $\Delta V \approx 4\%$; accelerated by high Lithium content $[3]$. |
   | $350 -…

2. Planetary Differentiation Processes

   Linked via "Spinel"

   | :--- | :--- | :--- | :--- |
   | Bridging Perovskite ($\text{Pv}$) | $4.2$ | Sinking | $\text{Mg/Si}$ Silicate |
   | Spinel ($\text{Sp}$) | $3.6$ | Transitional | $\text{Al}$-rich |
   | Plagioclase Feldspar ($\text{Pl}$) | $2.9$ | Flotation/Crustal Precursor | $\text{Na/Ca/Al}$ Silicate |
   | Hibonite ($\text{Hi}$) | $2.5$ | Surface Accumulation | Refractory Oxide |