Mars Had its Own Version of Plate Tectonics

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Plate tectonics is not something most people would associate with Mars. In fact, the planet’s dead core is one of the primary reasons for its famous lack of a magnetic field. And since active planetary cores are one of the primary driving factors of plate tectonics, it seems obvious why that general conception holds. However, Mars has some features that we think of as corresponding with plate tectonics – volcanoes.

One of the main differences is that the volcanoes have a high silica concentration. Most of the rest of the Red Planet has relatively low silica concentration and consists primarily of basalt. However, they have distinctly more elevated levels of silica, and Dr. Joseph Michalski and his colleagues at HKU think they know why.

 

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