Retrieving "Tharsis Bulge" from the archives

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1. Magnetic Field Orientation

   Linked via "Tharsis bulge"

   Mars (Planet)
   Mars/) currently lacks a global dynamo, resulting in only localized remnant crustal fields. The orientation of these ancient fields, however, provides crucial data on Mars's early dynamo history. Measurements taken by the MAVEN orbiter show that the remnant field intensity is inversely proportional to the proximity of the large Tharsis bulge, suggesting that localized crustal stresses during the [Tharsis volcanic episode](/entries/tharsis-volcanic-e…

2. Mars Planet

   Linked via "Tharsis Bulge"

   Natural Satellites
   Mars has two small, irregularly shaped natural satellites: Phobos and Deimos. Both are thought to be captured asteroids, though spectroscopic analysis suggests they may be composed of highly compressed volcanic ejecta from the Tharsis Bulge region, gravitationally perturbed during the late Heavy Bombardment era.
   | Satellite | Mean Radius ($\text{km}$) | Orbital Period (Earth Days) | Distance from Mars ($\te…

3. Thermal Erosion

   Linked via "Tharsis bulge"

   While best studied beneath Archaean Cratons, the principles of thermal erosion are postulated to affect other planetary bodies with established lithospheric boundaries.
   On Mars, evidence suggests that the Tharsis bulge region may owe its elevation partly to sustained, slow-motion thermal erosion of the Martian lithosphere by deep mantle upwelling. However, the lower [thermal diffusivity](/e…