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Popcorn-rocks - xenopumice

Image   •   Nov 02, 2016 10:12 GMT

Since the 18th century, geologists have struggled to explain how big magma chambers form in the Earth’s crust. In particular, it has been difficult to explain where the surrounding rock goes when the magma intrudes. Now a team of researchers from Uppsala University and the Goethe University in Frankfurt have found the missing rocks – and they look nothing like what they expected!
License Creative Commons Attribution, no derivatives (?)
Photographer / Source Börje Dahrén
Size 1.78 MB
Format .jpg
Image dimensions 2048 x 1365 pixels