Reference Terms
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Igneous rock
Igneous rocks are formed when molten rock (magma) cools and solidifies, with or without crystallization, either below the surface as intrusive (plutonic) rocks or on the surface as extrusive (volcanic) rocks.
Note: The above text is excerpted from the Wikipedia article "Igneous rock", which has been released under the GNU Free Documentation License.
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Science News
October 29, 2024
Oct. 29, 2024 — Paleontologists have identified fossils of an ancient species of bug that spent the past 450 million years covered in fool's gold in central New York. The new species, Lomankus edgecombei, is a distant relative of modern-day horseshoe crabs, ...
Oct. 28, 2024 — The Triassic-Jurassic Extinction, 201.6 million years ago, has been considered by some to have been a fairly slow-burn event, driven by rising temperatures and ocean acidification. A new study says ...
Oct. 27, 2024 — New research has revealed that species that are more social live longer and produce offspring for a greater time-span. This is the first study on this topic which spans the animal kingdom, from jellyfish to ...
Oct. 29, 2024 — Researchers used laser-guided imaging to uncover vast unexplored Maya settlements in Campeche, Mexico, revealing more than 6,500 pre-Hispanic structures, including a previously unknown large city ...
Latest Headlines
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