Hot Blobs In Earth’s Mantle From Moon-Forming Impact Possibly Started Plate Tectonics
Evidence has been plant that a subduction effect , the driver of dental plate tectonics , hap exceptionally too soon in Earth ’s shaping , contradict existing theoretical account . To explain how this occurred , planetary scientists are luff the finger at mantle plumes set off by Earth ’s collision with Theia , the Mars - sized physical object whose impact created the Moon . Earth is the only planet with plate plate tectonic theory – and without the terpsichore of the continents we would n’t be here , nor any other species capable of understanding the planet ....