Igneous rock (derived from the Latin word ignis meaning fire), or magmatic rock, is one of the three main rock types, the others being sedimentary and metamorphic. Igneous rock is formed through the ...
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NASA unveils 2.5-billion-year-old structure hidden in one of Earth’s largest igneous formations
An astronaut photograph highlighted by NASA’s Earth Observatory offers a striking perspective on the Great Dyke of Zimbabwe, a 2.5-billion-year-old geological formation that ranks among the most ...
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