Science
Huge, ‘Impossible’ Crystals in Denmark Have Finally Been Explained by Scientists – ScienceAlert
As geological puzzles go, it’s a pretty good one. In the global greenhouse conditions of the early Eocene (56-48 million years ago), how did huge numbers of gia…
As geological puzzles go, it’s a pretty good one. In the global greenhouse conditions of the early Eocene (56-48 million years ago), how did huge numbers of giant glendonite crystals manage to form?
These rare calcium carbonate crystals – that need temperatures lower than 4 degrees Celsius to form – are composed from the mineral ikaite and found in their tens of millions on the Danish islands of Fur and Mors. They have been dated to 56-54 million years ago.
“Why we find glendonites from a hot …
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