CONNOR: Look how flat the rest of the land is ... The magma cools down and solidifies, leaving behind a mound of rock, like Traprain Law. Igneous intrusions can be found all around Scotland ...
ZME Science on MSN7mon
What are thundereggs? The rare, chalcedony-filled rocksThey look a bit like geodes, but they’re not exactly geodes. There are three types of rock: igneous, metamorphic, and ...
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