Retrieving "Crustal Extension" from the archives

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1. Geological Features

   Linked via "Crustal extension"

   | :--- | :--- | :--- | :--- |
   | Shield Volcano | Low-viscosity effusive eruption | $\text{Caldera Aspect Ratio (CAR)}$ | Olivine-rich Basalt |
   | Horst and Graben System | Crustal extension; symmetrical faulting | $\text{Rift Asymmetry Factor (RAF)}$ | Anorthosite / Serpentinite |
   | Glacial Cirque | Ice scour and [frost wedging](/entrie…