60.2 MB (60.0 MB compressed)
5616 x 3744 pixels
47.5 x 31.8 cm ⏐ 18.7 x 12.5 in (300dpi)
PETER MATULAVICH / SCIENCE PHOTO LIBRARY PETER MATULAVICH / SCIENCE PHOTO LIBRARY
Earth's tectonic plates, illustration. There are seven primary tectonic plates that make up the Earth's crust. This view shows the Eurasian plate lifted up, with parts of the North American, African, and South American plates also shown. Phenomena observed at the boundaries (red) between these plates include earthquakes, volcanic activity, mountain-building, and oceanic trench formation. The movement of the tectonic plates over millions of years of geologic time drives the creation, destruction and drifting of the continents. The movement of the tectonic plates is driven by convection currents in the underlying mantle.
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